OPERATOR'S MANUAL BASE TECH II BASE/REPEATER STATION 5/03 Midland Radio Corp.
Base Tech II Base/Repeater Station Operator’s Manual Introduction..................................................................................................................................................3 Description ..............................................................................................................................................3 Features .....................................................................................................................................
Base Tech II Base/Repeater Station Operator’s Manual INTRODUCTION Description The Base Tech II Base Repeaters represents a technological advancement over previous models. The Base Tech II Base Repeater is comprised of separate modules all housed within one 2RU equipment cabinet. The receiver, transmitter, and PA unit are each enclosed within their own die-cast housing. Each one is then mounted directly on the large upper heatsink.
Base Tech II Base/Repeater Station Operator’s Manual The Base Tech II Base Repeater includes 5-tone selective calling encoder/decoder with non-predictive decoder, as well as a DTMF encoder and voice encryption option. It supports both all channel scanning and programmed channel scanning for base use. The Base Tech II Base Repeater is fitted with a large full dot matrix LCD that is used to display the channel numbers and names, frequency and tone programmed information and signaling information.
Base Tech II Base/Repeater Station Operator’s Manual 4. Loud Speaker* The receiver audio signals are heard from this speaker (provided that the volume setting is loud enough and provided that the speaker has not been muted by one of the tone signaling formats). 5. Repeater Mode Indicator LED The Repeater Mode Indicator LED will illuminate "REP" in yellow when the selected channel has been programmed for Repeater operation.
Base Tech II Base/Repeater Station Operator’s Manual 13. Power On Indicator LED The Power ON Indicator LED will illuminate in green whenever the Power ON/OFF switch is in the "ON" position. 14. Liquid Crystal Display (LCD) (not used on Single Channel Models) The LCD comprises of four (4) lines each of which is capable of displaying twenty-one (21) characters. The first line, under normal operating conditions, displays the strength of the signal being received on the selected channel as a bar graph.
Base Tech II Base/Repeater Station Operator’s Manual • Rear Panel Connectors 16. 25 way External Options Connector 17. 9 way Programming Connector 18. DC Input Fuse Holder 19. 3 way DC Input Socket 20. TX/Antenna Connector (N type) 21. Ventilation Slots 22.
Base Tech II Base/Repeater Station Operator’s Manual Basic Operation • Switch On Switch the Base Tech II Base Repeater "ON" by pressing the knob (12). Then check that the LED indicator (13) is illuminated. • Adjust the Volume Setting Rotate the Volume Knob (10) clockwise (from the fully counterclockwise position) until the audio level from the speaker is suitable.
Base Tech II Base/Repeater Station Operator’s Manual Front Panel Operation This section describes most signaling and other advanced features that are available on the Base Tech II Base Repeater. The availability of some features is dependent on the programming of the transceiver and installed options. You may find it worthwhile to discuss these features in detail with your radio supplier to obtain a full understanding of their benefits.
Base Tech II Base/Repeater Station Operator’s Manual • Keypad Operation using the [SHIFT] Key Some of the Base Tech II Base Repeater's features and related functions can be changed by using the [SHIFT] key. To make these changes, it is necessary to first press the [SHIFT] key followed by the other keys within a two second timeframe.
Base Tech II Base/Repeater Station Operator’s Manual • Changing Channels To change to another channel, simply press the [CH] key followed by the number of the required channel within two seconds. For example: To select Channel 8, press [CH] [0] [8] To select Channel 99, press [CH] [9] [9] Note that it is always necessary to enter two digits for the Channel Number. The channel # location displayed in the LCD will become blank as soon as the [CH] key is pressed.
Base Tech II Base/Repeater Station Operator’s Manual Entering a 5-Tone Encode Sequence When switched "ON", the Base Tech II Base Repeater carries out its self-test routine, then waits ready to accept 5-Tone encode numbers. Accordingly, it is necessary to enter the required 5-Tone digits directly using the keypad, then pressing the [#] key to transmit the 5-Tone sequence. (Up to sixteen digits can be entered).
Base Tech II Base/Repeater Station Operator’s Manual Attach Decode No. "ON" format Attach Decode No. "ON" automatically encodes the user’s DTMF decode number after the encode number. This can be used for any purpose. Enter the required DTMF tones (up to sixteen tones, except "B" tone) and then transmit the total tone sequence (including the users decode number) by pressing the [#] key. All tones will be transmitted in one continuous sequence after pressing the [#] key.
Base Tech II Base/Repeater Station Operator’s Manual • Single Tone Encoding The Base Tech II Base Repeater has the ability to encode one of six single tone frequencies for 1, 2, 3, or 4 seconds. This function is enabled during programming of the Base Tech II Base Repeater by selecting the field in the , and setting the encode period. Press the [SHIFT] and the [4] keys to put the Base Tech II Base Repeater into Single Tone Encoding mode.
Base Tech II Base/Repeater Station Operator’s Manual • Exiting All Channel Scan and Program Channel Scan modes Pressing the [SCAN] key will take the Base Tech II Base Repeater out of either scanning mode and return the Base Tech II Base Repeater to normal mode. The scan symbol "•" will be removed from the LCD display.
Base Tech II Base/Repeater Station Operator’s Manual • Removing an Active Channel from the Scan List It is possible to temporarily delete an active channel from the scan list by pressing [SHIFT] and the [•] key and holding them down for more than one second. Multiple channels can be deleted from the Scan list, provided that at least one channel remains in the Scan List. A "beep" sound from the radio confirms correct deletion of the channel from the scan list.
Base Tech II Base/Repeater Station Operator’s Manual Locking the Keypad Pressing the [SHIFT] key and then the [8] key will lock all keys (except the [SHIFT] and [MON] keys) on the Base Tech II Base Repeater's keypad to prevent accidental or inadvertent data entry. After pressing the [SHIFT] and [8] keys, the keypad becomes locked and the Key-Lock symbol “•” is displayed in the LCD display.
Base Tech II Base/Repeater Station Operator’s Manual Displaying the Channel Information The Base Tech II Base Repeater can display information pertaining to the selected channel (provided that the field was set to "ENABLE" during the programming of the radio). This information includes: o The RX frequency of the selected channel. o The TX frequency of the selected channel. o The channel spacing for the selected channel (Wide or Narrow).
Base Tech II Base/Repeater Station Operator’s Manual Display of Received Tone Frequencies. It is possible to set the Base Tech II Base Repeater to display the received tone frequencies in the LCD display. They will appear in the area normally used to display the strength of the received signals. Press [SHIFT] and then press [D] to enable this function.
Base Tech II Base/Repeater Station Operator’s Manual Bar Graph Displays The Base Tech II Base Repeater will normally show the strength of the received signal to the right of "RX" in the LCD display and the strength of the transmitted signal to the right of "TX" in the LCD display. Both will be displayed in the form of a bar graph. This function can be disabled by pressing the [SHIFT] key, then the [CH] key.
Base Tech II Base/Repeater Station Operator’s Manual Calling Party ID Display The Base Tech II Base Repeater has the capability to display a calling radio's ID (ANI) number after being called. When the Base Tech II Base Repeater is called, "CALL" will be displayed on the fourth line of the LCD display (and continue to flash).
Base Tech II Base/Repeater Station Operator’s Manual Emergency Caller Display The Base Tech II Base Repeater has the ability to accept and display emergency calls from other radios within the radio system. This function is enabled by setting the field to "ON" in the <5Tone Decode Menu> or during the programming of the radio. The calling (Emergency) radio must encode its emergency data in the following format: "000" + the calling radio's ID (decode number).
Base Tech II Base/Repeater Station Operator’s Manual TX Test Mode The Base Tech II Base Repeater comes equipped with a TX (Transmit) Test Mode. When the Base Tech II Base Repeater is placed in the TX Test Mode, it will transmit a carrier frequency modulated with a 1kHz tone on the selected active channel. It is possible to change channels while in TX Test Mode.
Base Tech II Base/Repeater Station Operator’s Manual Frequency Band Test Mode It is possible to display the Base Tech II Base Repeater's operating Frequency Band in the LCD display when in Frequency Band Test Mode.
Base Tech II Base/Repeater Station Operator’s Manual Holding the [D] key while switching the POWER SWITCH "ON" places the Base Tech II Base Repeater in Serial Number Display Mode and displays the Base Tech II Base Repeater's Serial Number in the LCD Display as shown below: Serial KY000727 Switch the Base Tech II Base Repeater "OFF" to exit from the Serial Number Display Mode.
Base Tech II Base/Repeater Station Operator’s Manual Hardware Error Detection The Base Tech II Base Repeater automatically tests for certain hardware faults or failures, and when a fault is found, it will blink the "ALM" LED display above the LCD Display and indicate the nature of the fault in the LCD Display as shown below: RX TX CH01 RX PLL Error This figure indicates an RX PLL error. RX TX CH01 TX PLL Error This figure indicates a TX PLL error. RX TX CH01 PA Error This figure indicates a PA error.
Base Tech II Base/Repeater Station Operator’s Manual RS232C Communications Error If a fault is encountered during programming of the Base Tech II Base Repeater, one of the following messages may be displayed in the LCD Display: o Over Run Error o Framing Error o Parity Error o Unknown Command o Data Unmatch o Send Error o Answer Timeout o Receive Timeout Please switch the Base Tech II Base Repeater "OFF", and then back "ON", and try re-programming the Base Tech II Base Repeater.
