HME# 400520 Rev − 7/7/03 PRO850 Wireless Intercom Operating Instructions
Table of Contents SECTION 1. INTRODUCTION ....................................................................................................................1 EQUIPMENT FEATURES................................................................................................................................2 Base Station Front Panel Features ..................................................................................................................2 Base Station Rear Panel Features ....................
FCC LICENSING The HME PRO850 is Type Accepted under Part 74 of the United States Federal Communications Commission (FCC) Code of Federal Regulations governing general purpose applications. The system requires an FCC station license if operated within the United States or its possessions. Licensing of this equipment is the User’s responsibility. Licensability depends on the User’s classification, equipment application and frequency selected.
SECTION 1. INTRODUCTION PRO850 equipment operates in the UHF band from 470 MHz to 740 Hz in 18 MHz subsets. Transmitters and receivers operate in different, non-adjacent 18 MHz bands. Synthesized frequencies can be selected in 25 kHz increments over each 18 MHz band, for 720 transmit and 720 different receive frequencies. Base stations can be configured with up to four receivers and two transmitters, supporting up to four Beltpacs in full-time transmit, full-duplex operation.
EQUIPMENT FEATURES Base Station Front Panel Features 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1. POWER switch 8. 2. BELTPAC CONFIGuration connector (RJ10 telephone handset cable connector) CANCEL button (backs out of menus or cancels operation) 9. Display screen 3. 10. Multi-function knob (headset volume control; adjustment for specific menu selections) WIRED STATUS lights CH1 = Channel 1 intercom status CH2 = Channel 2 intercom status AUX = ISO+ mode 11. Local headset function lights 12.
Beltpac Top Panel Features 1 2 3 4 5 6 7 8 9 10 11 12 1. Master power/volume control 7. “D” function light 2. “A” button 8. “B” light – indicates Channel 2 active 3. Power and battery condition indicator 9. “D” button 4. “C” button 10. Transmit light – indicates transmitter on 5. “A” light – indicates Channel 1 active 11. “B” button 6. “C” function light 12. Auxiliary volume control Beltpac Bottom Panel Features 1 2 3 4 5 6 7 1. Headset connector 5.
BLOCK DIAGRAMS Base Station Beltpac 4
EQUIPMENT SPECIFICATIONS Base Station GENERAL ⎯ Frequency Range: Frequency Response: Power Requirements: Temperature Range: Size: Weight: # of Receivers: # of Transmitters: 4-Wire I/O: 2-Wire I/O: Auxiliary Input: Auxiliary Output: Paging Output: Page & Alert Relay: Beltpac Interface: PC Interface: USB Interface: External Control Interface: Headset Connector: Mic Input: Headset Output: Front Panel Controls: Front Panel Indicators: Rear Panel Controls: TRANSMITTER ⎯ Type: Transmit Power: Modulation Type: De
RECEIVER ⎯ Type: RF Sensitivity: Squelch: Image Rejection: Squelch: Squelch Quieting: Frequency Stability: Distortion: Antenna Type: 720 synthesized, 25 kHz channel steps <1µV for 20dB SINAD Adjustable 60dB Data channel coded plus carrier signal level 90dB 10 ppm <1% at maximum deviation ¼-wave whip (supplied) or external (BNC connector) Beltpac GENERAL ⎯ Frequency Range: Antenna Type: Frequency Response: Battery Requirements: Battery Life: Temperature Range: Weight: Base Interface: PDA Interface: Auxilia
SECTION 2. EQUIPMENT SETUP BASE STATION SETUP Connect equipment and make adjustments described below to the rear panel of the base station where indicated on this illustration. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 1. RECEIVE Antenna Connector — Connect the receiver antenna to this BNC connector. The color band (if present) around the antenna should match the color dot (if present) near the connector on the base. 2.
5. Channel 1 Line Nulling Control — Use this adjustment to null the Channel 1, 2-wire connection when attached to other cabled intercom devices. This control is active even if the 4-wire only mode is selected. 6. Channel 1 2-Wire Intercom Connector — Provides 3-pin female XLR connector for interfacing other cabled intercom devices to Channel 1 on the PRO850. NOTE: PRO850 does not provide or require 2-wire line power.
SECTION 3. PRO850 OPERATION BASE STATION OPERATION Uses of Front Panel Controls, Indicators and Connectors 1 1. 2 3 5 4 Power Switch Press the upper part of the switch to turn the power on. A red light on the switch will be lit when the base station power is on. Press the lower part of the switch to turn the power off. The red light will go off. 2.
Display Screen Navigation To navigate through PRO850 screen displays, use the W XST, ENTER and CANCEL buttons and the control knob adjacent to the screen as follows. WX Use the left and right arrow buttons to move through horizontal selections on the bar at the top of the main menu, and to move to the left and right on advanced screens. Main Menu ST Use the up and down arrow buttons to move through vertical selections on the main menu, such as Tx, Rx and System, and to move up and down on the screen.
Display Screen Functions and System Settings Status displays provide information indicating the status of the system, or of parts or functions of the system. Transmitter Status: Select transmitter 1 or 2, then press the ENTER button to obtain the status of the selected transmitter. Receiver Status: Select receiver 1 through 4, then press the ENTER button to observe signal and tuning levels at the selected receiver. System Status: Base station power supply voltages are shown.
Talk Status: Beltpac user identification is shown when beltpac user is pressing Talk button. Monitor displays provide input/output levels and input level adjustments for all devices connected to the base station. Monitors Audio Levels at Base Station Inputs: Select the desired input source, then move the curser to the bar at the top of the screen. Use the control knob to adjust the audio input level from the selected source in 1.5dB increments.
Configuration displays provide customized configuration settings for the base station and beltpacs. They also allow you to save your settings to a file for future access. Advanced settings are provided for output mixing, alert signals and paging capabilities. Beltpac ID name and number settings made at the main base station can be synchronized in added slave base stations via the Configuration, Sync Bases display. Base Station Transmitter Power: Select transmitter 1 or 2, then press the ENTER button.
Base Station Transmitter Mix Levels (continued): Select transmitter 1 or 2, then press the ENTER button. Use the left arrow button to select the Tx:dB box, then use the control knob to adjust the transmitter output level in 1.5dB increments. Select the box to the left of RX1 through RX4, to continuously enable a particular receiver to the transmitter. NOTE: Leave these boxes unchecked for normal operation.
Single Base Station Configuration: Select Single, Not Dist for a single base station without the ISO+ feature for communication only among beltpacs. Select Single, ISO+ for a single base station with the ISO+ feature for communication among beltpacs and auxiliary input and output (Aux In/Out) connections. Master / Slave Base Station Configuration: If Master and Slave base stations will be used, there can only be one master base station, with one or two slaves.
Base Station Intercom Configuration: Select intercom IC1 or IC2, then use the up and down buttons to select what mode the intercom is in. Select the IC Lvl box, and use the control knob to adjust the input gain level. NOTE: If the Mode is set to Off, the input and output of that intercom will be off. If set for 2-wire, both 2 and 4-wire will be active. If set for 4-wire, only 4-wire interface will be active. Base Station Auxiliary Input Level: Use the control knob to adjust the auxiliary input level.
Frequency Scan: Connect a beltpac to the BELTPAC CONFIG connector on the front panel of the base station to enable scanning of base transmit frequencies. In this operation, the beltpac and base station receivers are scanned to find the cleanest group of frequencies for the base station to transmit on, and they are assigned to TX1 and TX2 in the base station. Also, based on the number of receivers in the system (up to 12), it determines the best group of frequencies for the base station(s) to receive on.
Beltpac Transmitter Power: Select the desired beltpac and its transmitter power level (1, 10, 50 or 100mW). Select the transmit mode and press the ENTER button. NOTE: Settings for beltpacs B1-B16 are stored in the base station. Changes to beltpac settings will not be effective until they are uploaded to the beltpacs. BPCN is the beltpac that is plugged into the base station, therefore changes to its settings are effective immediately.
Beltpac Receiver Squelch Level: Select the beltpac and receiver, then use the control knob to adjust its squelch level. NOTE: RX2 is reserved for a second receiver, when a beltpac has two receivers. BPCN is the beltpac that is plugged into the base station, therefore adjustments to its squelch level are effective immediately. Beltpac Buttons A and B Setup: Select the beltpac and select the desired functions for Button A and Button B on each beltpac.
Beltpac tone settings: Select a beltpac, then select the events for which you would like tones to sound in that beltpac user’s headset. Beltpac user identifier settings: To assign identification to a beltpac, such as a user’s name, select a beltpac then use the arrow buttons and selector knob to assign a name and number to each beltpac. NOTE: Each beltpac must have a different number, and each assigned number must be programmed into the base, or the base will not recognize the beltpac.
Save Configuration Settings to File: To save your configuration settings to a file, select the File number then select Save and press the ENTER button. NOTE: File number 1 is reserved for frequency scans. Files can be saved to 2 through 10. Be sure to save any changes before turning a base station off. Files are not automatically saved when the power is turned off. The last file used before a base station is turned off will be used the next time the base station is turned on.
Auxiliary Output Mixing (continued): Select the box(es) next to RX1-RX4, then use the control knob to adjust output level in 0.25dB or 2.25dB increments for the desired mix. Check these boxes only if you want receiver audio continuously fed to the Aux Output. Leave them unchecked for normal operation. Place the cursor to the left of the bar below Aux:dB and use the control knob to adjust the overall Aux audio output level in 1.5dB increments.
Intercom Output Mixing: Select IC1 or IC2, then select the box next to Aux and/or Mic to enable input. Use the control knob to adjust output level in 0.25dB or 2.25dB increments for the desired mix. Place the cursor to the left of the bar below IC:dB and use the control knob to adjust the overall IC audio output level in 1.5dB increments. Intercom Output Mixing (continued): Select IC1 or IC2, then select the box(es) next to RX1-RX4 to enable input. Use the control knob to adjust output level in 0.
Headset Output Mixing (continued): Select HSL (headset left) or HSR (headset right), then select the box(es) next to RX1-RX4 to enable input. Use the control knob to adjust output level in 0.25dB or 2.25dB increments for the desired mix. Check these boxes only if you want receiver audio continuously fed to the Headset Output. Leave them unchecked for normal operation. Place the cursor to the left of the bar below HS:dB and use the control knob to adjust the overall headset audio output level in 1.
Information displays provide information about the base station and its current configuration settings file, and testing capability for transmitter and receiver sub carriers. The file number displayed is for current configuration settings. It was the settings file being used the last time the base station was turned off, or the last settings file you saved since the base station was turned on. This is the file that will be used next time the base station power is turned on.
BELTPAC OPERATION Controls and Buttons 3 1 4 1 2 1. Master On/Off Volume Control Turns beltpac on and off. Controls volume levels and beep intensity. Press and hold control button in to mute primary receiver input. 2. A and B Buttons Perform functions set up in beltpac programming. Refer to Equipment Setup in Section 2. If set up for Lock function, press and release button in less than one second to lock on. Press and hold for momentary function, to remain on only while button is held.
Indicator Lights 1 2 3 4 1. Power/Battery Light Remains lit when power is on. Green = good batteries Amber = low batteries Red = nearly dead batteries 2. C and D Lights On while any functions programmed into C and D buttons are activated. 3. Transmit Light On steady red while beltpac is transmitting. 4. A and B Channel Indicator Lights A-green while listening on Channel 1. B-green while listening on Channel 2. A-red while talking on Channel 1. B-red while talking on Channel 2.
Connectors and Adjustment 2 3 4 5 2 1 1. Headset Connector XLR type connector. 2. Antenna Connectors Transmitter antenna connector has color dot (or none), matching color band (or none) on transmitter antenna. Receiver antenna connector has color dot (or none), matching color band (or none) on receiver antenna. Screw antennas securely into connectors. 3. RMT Connector Used for interconnect cable to base station, for uploading beltpac configuration settings and frequency scans.
Batteries To change batteries: 1 Place your thumb on the battery cover release grid and pull back on the battery compartment cover to open the battery compartment. Carefully flip the cover up and slide it to the back of the opening and push it slightly downward to release the battery sled into your hand. 2 Remove the six 1.5V AA batteries from the sled and replace them with six fresh ones. 1. Battery Compartment Cover 2.
SECTION 4. PC850 SOFTWARE PC850 is a Microsoft Windows® application which enables the user to make all PRO850 base station and beltpac configuration settings on a PC and save the settings to files. An RS-232 interface cable must be used to connect the PRO850 base station to the PC in which PC850 software is installed.
PC850 Operation To open the PC850 software, double click on the PC850 icon on your desktop screen. When the PC850 opens, the screen below will appear on your PC. Select the Status, Monitor, Configuration or Information tab with your cursor. The respective screen will appear with all the same functions and system settings that are available on the PRO850 base station. Place your cursor over the desired setting on the screen and a drop-down menu will appear with the applicable selections or information.
connection, simply check the desired box(es). To break a connection, uncheck the desired box(es). Note that two types of connections are shown: Manual connections and dynamic connections. Manual connections result from configuration settings or functions. Dynamic connections result from Beltpac operations or the front panel Talk button. Checking a box in the window always results in a manual connection. Manual connections are not overridden by dynamic operations.
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