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Table Of Contents

Guide to the SRX

600 Receiver

Manual Rev A, #10112

June 1st, 2005

LOTEK WIRELESS — USER’S MANUAL

Summary of content (82 pages)

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L O T E K W I R E L E S S — U S E R ’S M A N U A L Guide to the SRX 600 Receiver Manual Rev A, #10112 June 1st, 2005
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WELCOME TO THE SRX 600 The SRX 600 is used to scan frequencies and antennas (radio antennas and/or hydrophones) and record data collected from Lotek transmitters.
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..... Welcome to the SRX 600 ABOUT THIS MANUAL The manual is organized into 7 chapters. Please also consult the Guide to the SRX Keypad and LCD Display manual for a flow chart style layout to all the features accessible through the receiver’s keypad. This manual does not cover communicating with the receiver using the SRX Host application. Please refer to the Guide to the SRX600 Host Application manual for details.
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Welcome to the SRX 600 CONTENTS WELCOME TO THE SRX 600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 HARDWARE DETAILS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 RECEIVER MAINTENANCE AND CARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 FRONT PANEL COMPONENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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..... Welcome to the SRX 600 Resetting a Log On Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 USING THE INPUT KEYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Enter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 END/ESC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Enter . . . . . . . . . . . . . . . . . . . . .
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Welcome to the SRX 600 Stopping a GPS Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 SETUP MODE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 CHAPTER OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 1)COMM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26 Configuring Serial Port Settings . . . . . . . . . . . . . .
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..... Welcome to the SRX 600 2)SEARCH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Starting a Scan via Search . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Selecting a Code Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 Pausing a Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 Resuming a Scan . . . . . .
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Welcome to the SRX 600 Entering a specific Gain value . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Changing the Antenna Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Changing the Radio Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41 Changing the Acoustic Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Setting the Noise Threshold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 CODELOG MODE .
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..... Welcome to the SRX 600 1)CONFIG## > 3)FREQ/CH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Creating a Configuration Specific Frequency Table . . . . . . . . . . . . . . . . . . 54 Master Frequency table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Adding a Frequency/channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Deleting a Frequency/channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Welcome to the SRX 600 1)CONFIG## > 5)FILTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 ID Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Setting the Filter Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 No Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Rejecting channel+ID . .
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..... Welcome to the SRX 600 Changing the units sensor data is displayed in . . . . . . . . . . . . . . . . . . . . . . 76 Changing the Set Delta Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Changing the Set Delta Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Starting a GPS Acquisition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 Resuming a Scan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1 HARDWARE DETAILS Receiver Maintenance and Care HARDWARE 1 DETAILS RECEIVER MAINTENANCE AND CARE The SRX 600 must be protected from excessive dust and moisture. If basic cleaning is required, the housing and front panel can be cleaned using a soft cloth. For a deeper clean, wipe the housing with a soft, damp cloth using a mild solution of soap and water. Do not allow any liquid to get inside the housing. When not in use, the unit should be stored in a cool dry place.
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..... HARDWARE DETAILS Front Panel Components POWERING THE RECEIVER USING THE INTERNAL BATTERY The receiver can operate continuously for up to 12 hours (light on) or 16 hours (light off) on its own battery supply, assuming it was fully charged to start. When the batteries need recharging this symbol appears in the lower right hand corner of the LCD display: . CHARGING THE INTERNAL BATTERY Plug the charger supplied with the receiver into the connection labeled CHG.
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1 HARDWARE DETAILS Back Panel Components BACK PANEL COMPONENTS • USB cable connection • Two serial cable connections (Serial I and Serial II) • The receiver’s serial number • GPS antenna connection • UUC power cable connection • DC power DIN jack • ASP-8 cable connection The Serial I connection is provided for connecting the receiver to a computer or a modem.
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..... HARDWARE DETAILS Types of Transmitters TYPES OF TRANSMITTERS A transmitter is a device that uses a series of single frequency pulses to communicate with the SRX 600 receiver. Lotek radio transmitters operate over a frequency range of 140 to 174 MHz. Lotek acoustic transmitters operate at either 66 or 77 kHz.
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2 THE KEYPAD AND LCD DISPLAY Keypad and Display Structure THE KEYPAD AND LCD DISPLAY 2 KEYPAD AND DISPLAY STRUCTURE The keypad and LCD display define the interface through which the receiver is programmed. The program is designed like a hierarchy. All aspects of the program are accessed through keys on the keypad. Keys labelled Setup, Log On, Info, Manual, Codelog and Set Delta provide access to menus (note that in most cases there are also sub-menus).
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..... THE KEYPAD AND LCD DISPLAY Logging on to the receiver LOGGING ON TO THE RECEIVER Logging on to the receiver provides the ability to change the state of the receiver. When a log on password is provided the receiver is considered Online. If no password is provided (logged off) then the receiver is Offline. The differences between Online and Offline are described below: • Offline: the receiver allows only read access, which means that most inputs are not allowed unless a log on password is provided.
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2 THE KEYPAD AND LCD DISPLAY Changing a log on password CHANGING A LOG ON PASSWORD Access to this feature is only provided in Setup Mode. A password can be changed as long as the receiver is Online. Changing the password requires that the old password be entered followed by the new one. The receiver automatically places a slash [/] between the two passwords as they are entered. The password must be made up of 6 numbers. Change the password via Setup > 3)Change Password.
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..... THE KEYPAD AND LCD DISPLAY Using the input keys USING THE INPUT KEYS ENTER Once a value is entered for an input, pressing the Enter key causes the receiver to accept that input and save it (as long as the receiver is Online). END/ESC The END/ESC key is used for navigation and cancelling the effect of an input. For navigation it provides the ability to “go back” to the last menu that was accessed.
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2 THE KEYPAD AND LCD DISPLAY Using the input keys DECIMAL The lower portion of this key provides the decimal point needed for many input values. PLUS / MINUS SIGN Plus (+) or minus (-) signs are provided at the beginning of an input prompt (e.g. >+). Minus signs are necessary when entering the GMT correction into the receiver. To change a sign press the +/- key once.
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..... THE KEYPAD AND LCD DISPLAY Using the navigation keys USING THE NAVIGATION KEYS RIGHT ARROW AND LEFT ARROW The Right and Left Arrow keys are used for navigating forwards and backwards through pages. If more than one page is available a “-->” or “<--“ symbol appears in the lower right corner of the LCD display. Multiple pages are used to accommodate the limitations of a two-line display, so any menu items or inputs that exceed this space must be spread out.
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2 THE KEYPAD AND LCD DISPLAY Using the Info key USING THE INFO KEY The Info key provides access to the following: • Battery voltage (main and backup) [1)Bat] • Available memory (in Kilobytes) [2)Mem] • Start frequency, Intermediate Filter Frequency (I.F.) and Local Oscillator Frequency (L.O.
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..... THE KEYPAD AND LCD DISPLAY Adjusting Frequency and Gain ADJUSTING FREQUENCY AND GAIN A new frequency can be selected using the Up or Down Arrows. The amount of increment or decrement is specified by Set Delta for frequency (see section called Set Delta for details). A new gain can be selected using the Up or Down Arrows. The amount of increment or decrement is specified by Set Delta for gain (see section called Set Delta for details).
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2 THE KEYPAD AND LCD DISPLAY GPS SET DELTA FOR FREQUENCY When incrementing frequency manually the receiver adds the Set Delta frequency increment to the frequency being used at the time the frequency is adjusted up or down. Increments are in kHz. Set this increment via Set Delta > 1)Freq. SET DELTA FOR GAIN When incrementing gain manually the receiver adds the Set Delta gain increment to the gain being used at the time the gain is adjusted up or down. Set this increment via Set Delta > 2)Gain.
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..... THE KEYPAD AND LCD DISPLAY GPS PDOP information for 2 seconds. Either the time or date are also shown on the display and are updated every 5 seconds. GPS cannot be used if the receiver is logged off. However, it is possible to log off from the receiver while the receiver is attempting to acquire a GPS position. When logging back on, the display shows the results of the GPS position. STOPPING A GPS ACQUISITION Press the END/ESC key to stop acquiring a GPS position.
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3 SETUP MODE Chapter Overview 3 SETUP MODE CHAPTER OVERVIEW Setup Mode allows global settings to be changed and applied. Global settings are those settings that affect how the receiver operates.
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..... SETUP MODE 1)Comm • Parity: Setup > 1)Comm > 1)Configure > 1)Serial I or 2)Serial II > 2)Parity. Select to have no parity, odd parity or even parity. • Data Bits: Setup > 1)Comm > 1)Configure > 1)Serial I or 2)Serial II > 3)Data Bits. Select either 7 or 8 data bits. • Stop Bits: Setup > 1)Comm > 1)Configure > 1)Serial I or 2)Serial II > 4)Stop Bits. Select either 1 or 2 stop bits.
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3 SETUP MODE 1)Comm CMDS parameters the modem needs, consult the modem’s user guide or Lotek Wireless Inc. for details. INITIALIZING THE CMDS FOR THE MODEM CMDS stands for Command String and is used to initialize the modem. As soon as a modem is connected to the receiver and the receiver is Online, the CMDS parameters are sent to the modem. If no modem is connected the following message is provided, “No Modem, please select it via Setup/Comm”.
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..... SETUP MODE 2)Time 2)TIME ENTERING THE GMT CORRECTION In order for the GPS feature of the receiver to update its clock properly, it must know the GMT correction for the receiver’s location. Enter the GMT correction via Setup > 2)Time > 1)GMT Correction. The time format is in hh/mm. ENTERING LOCAL DATE AND TIME The receiver uses the local time and date in combination with the GMT correction set so that data can be displayed in local time even though the receiver internally works in GMT time.
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3 SETUP MODE 3)Reset/Change Password 3)RESET/CHANGE PASSWORD CHANGING A LOG ON PASSWORD Access to this feature is only provided in Setup Mode. A password can be changed as long as the receiver is Online. Changing the password requires that the old password be entered followed by the new one. The receiver automatically places a slash [/] between the two passwords as they are entered. The password must be made up of 6 numbers. Change the password via Setup > 3)Change Password.
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..... MANUAL MODE Chapter Overview MANUAL MODE 4 CHAPTER OVERVIEW Manual mode provides the ability to collect data without using a Configuration (see the Codelog Mode chapter for details on Configurations). During manual mode data is not recorded by the receiver. Detections are indicated by pings or clicks that can be heard from the speaker on the front panel of the receiver. Adjust the volume by turning the OFF/VOL knob clockwise.
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4 MANUAL MODE Chapter Overview Settings that are unique to the Search menu item are: • Pause or resume a scan • Enter a minimum frequency • Enter a maximum frequency • Define a frequency step • Set the scan time Settings that are unique to the Signal menu item are: • Change the antenna port assignment for the master radio antenna and/or hydrophone • Change the radio frequency • Change the acoustic frequency Guide to the SRX 600 receiver Rev A #10112 Chapter 4 - - Page 32
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..... MANUAL MODE 1)Code Set (and details on codes) 1)CODE SET (AND DETAILS ON CODES) A transmitter Code is made up of four pulses that occur over three pulse intervals. A pulse interval is the period of time that elapses between one pulse to the next. The three pulse intervals are unique to every transmitter so that the receiver can identify the transmitter. In order for the receiver to interpret the pulse intervals it must reference a library, which is called the Code Set.
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4 MANUAL MODE 2)Search 2)SEARCH STARTING A SCAN VIA SEARCH A scan cycle can be started via Manual > 2)Search > 1)Start. To stop a scan, press the END/ESC key. Starting a scan from the Search menu means that the receiver scans through a range of frequencies looking for a signal, using the Frequency Step setting. The frequency step is the increment in kHz that the receiver uses to increase the frequency as a scan proceeds.
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..... MANUAL MODE 2)Search PAUSING A SCAN Accessed via Manual > 2)Search > 1)Start > 0)Pause Scan. This function suspends the scan cycle on the frequency and antenna that was being scanned before pause was selected. This also means that the receiver does not change the frequency or antenna it was scanning when pause was selected, but it does continue logging data for that frequency and antenna.
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4 MANUAL MODE 2)Search SET DELTA FOR GAIN When incrementing gain manually, using the keys on the keypad, the receiver adds the Set Delta gain increment to the gain being used at the time the gain is adjusted up or down. Set this increment via Manual > 2)Search > 1)Start > 3)Set Delta > 2)Gain. STARTING A GPS ACQUISITION Start acquiring a GPS 2D position by pressing the GPS key on the keypad (key number 4).
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..... MANUAL MODE 2)Search ENABLING/DISABLING NOISE BLANKING (N BLANK) Noise blanking enhances the receiver’s audio performance, especially in aircraft or other high-noise environments, by suppressing the receiver’s audio response except when a signal is detected. This also helps prevent auditory fatigue when using the receiver for extended periods of time. Press the key labelled NBlank to enable and disable noise blanking.
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4 MANUAL MODE 2)Search DEFINING A FREQUENCY STEP The frequency step is the increment in kHz that the receiver uses to increase the frequency as a scan proceeds. Enter the value for the increment via Manual > 2)Search > 1)Start > 5)Freq Step. Starting a scan via Search means that the Set Delta frequency is not used. For Search the frequency step option is provided to set a frequency increment.
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..... MANUAL MODE 3)Signal 3)SIGNAL STARTING A SCAN VIA SIGNAL Scanning using Signal means that the receiver monitors only one frequency and one antenna until they are changed manually. The scan cannot be paused using Signal. Start a scan via Manual > 3)Signal > 1)Start. SELECTING A CODE SET Codes sets are accessed via Manual > 3)Signal > 1)Start > 1)Code Set. Use the keypad to select the desired code set.
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4 MANUAL MODE 3)Signal SET DELTA FOR GAIN When incrementing gain manually, using the keys on the keypad, the receiver uses the Set Delta gain increment to advance to the next gain value. Set this increment via Manual > 3)Signal > 1)Start > 3)Set Delta > 2)Gain. STARTING A GPS ACQUISITION Start acquiring a GPS 2D position by pressing the GPS key on the keypad (key number 4). While attempting to acquire a position, the display shows the number of satellites as they are found.
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..... MANUAL MODE 3)Signal ENABLING/DISABLING NOISE BLANKING (N BLANK) Noise blanking enhances the receiver’s audio performance, especially in aircraft or other high-noise environments, by suppressing the receiver’s audio response except when a signal is detected. This also helps prevent auditory fatigue when using the receiver for extended periods of time. Press the key labelled NBlank to enable and disable noise blanking.
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4 MANUAL MODE 3)Signal CHANGING THE ACOUSTIC FREQUENCY To switch to another acoustic frequency, enter in the desired frequency via Manual > 3)Signal > 4)Freq > 2)Acoustic. The receiver pauses for a moment before the new gain is accepted. Wait for the display to go back to the Signal page. SETTING THE NOISE THRESHOLD The Noise Threshold is a minimum allowable detection signal strength.
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..... CODELOG MODE Chapter overview CODELOG MODE 5 CHAPTER OVERVIEW Codelog mode is initiated by pressing the Codelog key on the keypad. There are many features that are accessible from codelog mode. After pressing the Codelog key, there are three menu items: 1)Config, 2)Scan and 3)Master Ftable. Each of these menu items leads to different settings and features. This section of the manual addresses each menu item separately.
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5 CODELOG MODE Chapter overview • Enable/Disable GPS Positioning • Provide a Site Number 3)Freq/CH • Add a Radio Frequency and Channel • Add an Acoustic Frequency and Channel • Modify settings for a single Frequencies • Modify settings for all Frequencies 4)Ant/Hydr • Select the ASP-8 antenna switchbox • Add antennas to the Radio Antenna Group • Add hydrophones to the Hydrophone Group • Designate a Radio Antenna Master • Designate a Hydrophone Master • Assign a gain value to the ASP-8 • Assign a gain valu
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..... CODELOG MODE Chapter overview • Enable/Disable the maximum Signal Strength Deviation (max=18) for detections 6)Sensors • Define the Sensor Class • Select the Sensor Type • Define parameters for each sensor type (min.
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5 CODELOG MODE 1)Config > 1)NewCFG 1)CONFIG > 1)NEWCFG 1)NEWCFG Configurations are initially created by the SRX 600 Host software and are used to create a system for storing receiver settings that can be reused as often as needed, whether throughout a study or across different studies. Data collected using a configuration is saved to the receiver’s flash memory. Up to 8 configurations can be created using the SRX Host and then sent to the receiver.
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..... CODELOG MODE 1)Config## > 2)Scan Settings 1)CONFIG## > 2)SCAN SETTINGS UNDERSTANDING SCAN CYCLES A Scan Cycle is the time it takes for the receiver to scan all frequencies on all antennas/hydrophones in the scan order specified. The amount of time a scan cycle lasts depends on the number of frequencies and antennas/hydrophones, the scan time and Total Scan Time. It also depends on two additional features: TimeOut on Acquisition (TOA) and Master Antenna Preview.
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5 CODELOG MODE 1)Config## > 2)Scan Settings all the different combinations of pulse intervals that can exist, and gives the receiver information on how to interpret transmitters that transmit sensor data using that code set. The receiver is configured with the required code set(s) for the study specified at the time of purchase. Current code sets are Lotek 1, Lotek 2, Lotek 3, Lotek 4 and Lotek 5. The code set must be selected before data collection can proceed.
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..... CODELOG MODE 1)Config## > 2)Scan Settings SETTING TOTAL SCAN TIME The total scan time is the maximum amount of time a complete scan cycle can take, but the actual time to complete a scan cycle can be less than this, since other settings, like TOA, may cause the receiver to adjust the scan time adaptively. If a scan cycle takes less than the calculated total scan time calculated then the receiver can be setup to wait until the total scan time has elapsed before it starts another scan cycle.
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5 CODELOG MODE 1)Config## > 2)Scan Settings ENABLING/DISABLING TOA Enable or Disable TOA via CodeLog > 1)Config## > 2)Scan Settings > 3)Options > 1)TOA. TOA stands for Time-Out on Acquisition and is either enabled or disabled. With TOA enabled the receiver monitors each frequency+antenna combination until the first valid detection, thus shortening the total scan time. TOA may therefore be used to minimize the amount of time it takes for the receiver to scan all of the available frequencies and antennas.
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..... CODELOG MODE 1)Config## > 2)Scan Settings Strength of S. If the transmitter involved is a sensor transmitter then the average value of the sensor data over the CRTO Window is also provided. Before enabling CRTO, be aware of the following: • The receiver waits until the first valid detection is made before it opens the CRTO Window. This allows the resulting data record to be stamped with the arrival time of the first valid detection.
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5 CODELOG MODE 1)Config## > 2)Scan Settings ENABLING/DISABLING AGC Enable or Disable AGC via CodeLog > 1)Config## > 2)Scan Settings > 3)Options > 3)AGC. AGC stands for Adaptive Gain Control and gives the receiver the ability to dynamically adjust antenna gain settings to optimize performance. This feature is particularly useful when there is sporadic external noise, like turbines coming on once a day at a hydro dam.
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..... CODELOG MODE 1)Config## > 2)Scan Settings Enable/disable the GPS positioning feature via CodeLog > 1)Config## > 2)Scan Settings > 3)Options > 4)GPS > 2)En/Dis Position. The first line in the display shows the current setting and updates accordingly when 2)En/Dis Position is selected. ENTERING A SITE NUMBER The Site Number is a 4-character numeric code that provides a way of identifying a study site.
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5 CODELOG MODE 1)Config## > 3)Freq/Ch 1)CONFIG## > 3)FREQ/CH The SRX 600 scans frequencies according to how they are configured in the receiver. There are several parameters related to frequency that need to be set before data collection can begin. These are described in the following. CREATING A CONFIGURATION SPECIFIC FREQUENCY TABLE A Configuration Specific Frequency Table is a group of frequencies that are assigned to a specific configuration.
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..... CODELOG MODE 1)Config## > 3)Freq/Ch the master table cannot contain frequencies that reference the same channel number or frequencies that are separated by less than 1kHz. ADDING A FREQUENCY/CHANNEL Enter a frequency into the receiver via Codelog > 1)Config## > 3)Freq/CH > 1)Add > 1)Radio or 2)Acoustic. The display first prompts for the frequency to be entered. The decimal point is not automatically provided; use the decimal key.
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5 CODELOG MODE 1)Config## > 3)Freq/Ch For example, if a transmitter that uses frequency 148.360 is intentionally removed from the reception area for a period of time, there is no point in using the receiver to scan that frequency. In this case the frequency can be disabled or skipped. A frequency can be enabled or disabled via Codelog > 1)Config## > 3)Freq/CH > 2)View/Modify > 2)En/Dis.
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..... CODELOG MODE 1)Config## > 3)Freq/Ch removed from the scan cycle. By default all frequencies entered are considered enabled. The receiver only scans frequencies that are enabled. All frequencies can be enabled via Codelog > 1)Config## > 3)Freq/CH > 2)View/Modify > 2)EN. Press the END/ESC key to go back to the Freq/Ch page. The display shows two values in brackets after the page title (e.g. AllFreq/Ch(2, 4)).
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5 CODELOG MODE 1)Config## > 4)Ant/Hydr 1)CONFIG## > 4)ANT/HYDR Antennas pick up signals from transmitters and delivers them to the SRX 600 receiver. A typical configuration of the SRX 600 system can accommodate up to eight antennas, which can be monitored one at a time or simultaneously. Antenna inputs accept signals from radio antennas and upconverted acoustic sources (hydrophones). To use more than one antenna the ASP-8 switchbox is needed.
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..... CODELOG MODE 1)Config## > 4)Ant/Hydr UNDERSTANDING ANTENNA GROUPS Antennas can be radio or upconverted hydrophones. However, they are treated as separate groups by the receiver. For example, in an 8 antenna configuration, if radio antennas are connected to antenna ports 1,2, 4 and 6 then this is referred to as the Radio Group. If the rest of the ports available (3, 5, 7 and 8) are upconverted hydrophones then they are referred to as the Hydrophone Group.
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5 CODELOG MODE 1)Config## > 4)Ant/Hydr ASSIGNING A MASTER ANTENNA (OPTIONAL) The master antenna designation is used to place a priority on a particular radio antenna and/or hydrophone so that it is scanned before all other radio antennas and/or hydrophones. Assigning a master is not required for the receiver to operate. There can only be one master designation for each group; one for radio antennas and one for hydrophones (if both types are used).
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..... CODELOG MODE 1)Config## > 4)Ant/Hydr ASSIGNING A HYDROPHONE MASTER Assign a hydrophone to be the master hydrophone via Codelog > 1)Config## > 4)Ant/Hydr > 4)Hydr > 2)Acoustic Master Hydr. There are three possible selections: • Enter the value as 0 (zero) to make all hydrophones masters • Enter a value from 1 through 8 to make a single hydrophone the master.
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5 CODELOG MODE 1)Config## > 4)Ant/Hydr ASSIGNING GAIN VALUES TO MASTER ANTENNAS Assign gain values to master antennas via Codelog > 1)Config## > 4)Ant/Hydr > 4)Gain > 3)Radio Master Gain or 4)Acoustic Master Gain. If the master designation has been set for all radio antennas or hydrophones in either the radio or hydrophone groups, then that gain value is used for all members of the group.
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..... CODELOG MODE 1)Config## > 4)Ant/Hydr antenna and antenna 8 is the hydrophone master. The scan time is set to 15 seconds.
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5 CODELOG MODE 1)Config## > 4)Ant/Hydr valid detection is received within that time the receiver proceeds with scanning all applicable antennas (the Antenna Group) for only that frequency on which the initial detection was made. When the scan is complete the receiver moves on to the next frequency in the frequency table, which determines the group (radio antenna or hydrophone) that is scanned and using which master (if one is assigned).
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..... CODELOG MODE 1)Config## > 4)Ant/Hydr In this example there are three frequencies, two radio and one acoustic, in a selected frequency table (on channels 1 [acoustic], 2 [radio] and 3[radio]). They were entered into the frequency table in the scan order: {2, 3 and 1}. Antenna priority has been selected and there are 2 antennas in the radio group (4 and 7) and 2 hydrophones in the hydrophone group (5 and 8). Antenna 4 is the radio master antenna and antenna 8 is the hydrophone master.
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5 CODELOG MODE 1)Config## > 4)Ant/Hydr Assign antenna priority via Codelog > 1)Config## > 4)Ant/Hydr > 5)Priority > 1)Freq/Ant. Selecting 1)Freq/Ant changes the priority between frequency and antenna. Watch the first line of the display to know which setting is being applied. SETTING THE RECEIVER TO USE THE ASP-8 The receiver needs to know if an ASP-8 is being used or not. Set the receiver to use an ASP-8 via Codelog > 1)Config## > 4)Ant/Hydr > 1)Use ASP8 > 7)Yes or 9)No.
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..... CODELOG MODE 1)Config## > 5)Filters 1)CONFIG## > 5)FILTERS Received signals can be qualified for storage and display using a set of filters. This section of the manual describes two filter classes, one pertaining to signals (frequency/channel and transmitter ID) and the other to signal quality (signal strength and pulse timing). ID FILTER Filtering provides the ability to filter channel+ID combinations or IDs only without altering a configuration’s frequency table.
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5 CODELOG MODE 1)Config## > 5)Filters they are entered. The number in brackets in the first line of the display corresponds to the entries in the list (e.g. entry #33 in the reject list). Any entry in the reject list can also be viewed and deleted. View an entry via Codelog > 1)Config > 5)Filters > 1)ID Filter > 2)Set Reject Ch/ID > 2)View/Del. The first entry is shown in the first line of the display. To view the next entry use the Right Arrow key to advance through the list.
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..... CODELOG MODE 1)Config## > 5)Filters Add an ID to the reject list via Codelog > 1)Config > 5)Filters > 1)ID Filter > 4)Set Reject ID >1)Add. The number in brackets in the first line of the display corresponds to the entries in the list (e.g. entry #33 in the reject list). Any entry in the reject list can also be viewed and deleted. View an entry via Codelog > 1)Config > 5)Filters > 1)ID Filter > 4)Set Reject ID > 2)View/Del. The first entry is shown in the first line of the display.
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5 CODELOG MODE 1)Config## > 5)Filters This filter was originally (SRX 400) provided for use with acoustic transmitters, where multipath propagation at the speed of sound can cause mirror reflections on the order of several milliseconds. However, this filter currently provides the ability to reject pulses when the time interval between two pulses is below the Echo Filter time. As a result, this feature speeds up the receiver's processing time. Please contact Lotek Wireless Inc.
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..... CODELOG MODE 1)Config## > 5)Filters The maximum signal strength deviation is 18. Enable or disable this feature via Codelog > 1)Config > 5)Filters > 2)Pulse Filter > 4)Signal Strength Dev > 1)Enable or 2)Disable. The display shows the current setting in brackets using the number of the menu items available. For example, if signal strength deviation is disabled then the number in brackets is 2.
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5 CODELOG MODE 1)Config## > 6)Sensors 1)CONFIG## > 6)SENSORS The receiver needs to know the Sensor Class and the types of sensors that are used by the transmitters in a study. There are four types of sensors available: temperature, pressure, activity and EMG. Only three types can be used by the receiver at any given time. In order for the receiver to interpret and display the sensor data properly, it must know the sensor’s range and granularity.
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..... CODELOG MODE 1)Config## > 6)Sensors SETTING PARAMETERS FOR TEMPERATURE Set the minimum temperature via Codelog > 1)Config > 6)Sensors > 3)Param > 1)C > 1)Min. Use the +/- key to change the sign of a value. Set the maximum temperature via Codelog > 1)Config > 6)Sensors > 3)Param > 1)C > 2)Max. Use the +/- key to change the sign of a value. Set the number of levels for temperature via Codelog > 1)Config > 6)Sensors > 3)Param > 1)C > 3)Level.
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5 CODELOG MODE 1)Config## > 6)Sensors Set the number of levels for EMG via Codelog > 1)Config > 6)Sensors > 3)Param > 4)EMG > 3)Level.
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..... CODELOG MODE 2)Scan > 1)Continue to log data 2)SCAN > 1)CONTINUE TO LOG DATA The settings available under this menu item are as follows: • Start a scan • Delete all data from the receiver STARTING A SCAN CYCLE A scan cycle is initiated via Codelog > 2)Scan > 1)Continue to Log Data. Once a scan is started no changes can be made to the active configuration, except when the scan is paused.
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5 CODELOG MODE 2)Scan > 1)Continue to log data VIEWING THE DISPLAY SCROLL As valid detections are made they are recorded by the receiver and they are also available for viewing. Up to 64 valid detections can be accumulated for viewing during a scan. After 64 initial valid detections have been made the receiver starts replacing the oldest detection with the most recent and so on (this affects viewing only). The receiver does not stop collecting data while using this feature.
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..... CODELOG MODE 2)Scan > 1)Continue to log data CHANGING THE SET DELTA GAIN When incrementing gain manually (using the keypad) the receiver uses the Set Delta gain increment to advance to the next gain value. Set this increment via Set Delta > 2)Gain. STARTING/VIEWING A GPS ACQUISITION Start acquiring a GPS 2D position by pressing the GPS key on the keypad (key number 4). While attempting to acquire a position, the display shows the number of satellites as they are found.
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5 CODELOG MODE 2)Scan > 2)Del All Data (password) 2)SCAN > 2)DEL ALL DATA (PASSWORD) DELETING ALL DATA IN THE RECEIVER Data cannot be deleted from the receiver unless the password is provided. As soon as a password is provided the receiver deletes all data. There is no warning prior to deletion.
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..... DOWNLOADING DATA 3)Master Ftable DOWNLOADING DATA 6 Please refer to the SRX Host manual for details on how to download data through direct Serial, USB or modem connections.
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7 APPENDICES Appendix A: Understanding the Format of Data Records 7 APPENDICES APPENDIX A: UNDERSTANDING THE FORMAT OF DATA RECORDS Data record formats vary depending on settings that are specified in the active configuration (see chapter on CodeLog Mode for details on configurations).
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..... APPENDICES Appendix A: Understanding the Format of Data Records • What the total scan time value is • The scan time set for the frequencies • Whether CRTO is enabled or disabled • Whether AGC is enabled or disabled • The Echo Filter time • The code set being used When the receiver begins collecting data a complete environment record is stored in the memory with a time stamp. After that only changes to the settings are stored with a time-stamp indicating when the change took affect.
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7 APPENDICES Appendix B: Additional Information APPENDIX B: ADDITIONAL INFORMATION This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.