User Manual

TR-800 Service Manual
-28-
 Adjustment Description
Logic Board Adjustment
Test Apparatus
1. 20A/30V Power Supply 1set
2. Ammeter 1set
3. Digital Voltmeter 1set
4. Test Jumper Cables (mating with test ports of TR-800 and the communication test set)
5. Communication System Analyzer (such as HP8921 series) 1set
Adjustment
Radio Configuration
Use HR-800E to program the TR-800. Table Ⅰ and table Ⅱ illustrate the factory default settings in a
general operation mode. The “Ignition Sense Time” of main radio defines time delay from SETUP to
KNOCKDOWN.
Table Radio Programming Preset
Ⅰ
Item Main Radio Slave Radio
AUX3 I/O Ext. PTT Ext. PTT
AUX4 I/O Rx Carrier(Tone) Rx Carrier(Tone)
AUX5 I/O Rx Tone(Carrier) Rx Tone(Carrier)
Horn Alert Logic NA 1s
Ignition Sense 0h0m NA
Drop Out Delay 3s
Scan Gap Time 400ms
Repeater Hang Time 2s
Table Logic Board Switch Configuration
Ⅱ ：
Toggle Switch
S01-1 S01-2 S01-3 S01-4 S01-5 S01-6 S01-7 S01-8 S01-9 S01-10
Factory Default
ON OFF OFF ON ON ON ON ON OFF ON
Test Procedure
a) Base Station Mode
Make sure the TR-800 is in SETUP state and deactivate RPT & OPT functions. The TR-800 operates on base
station mode with main radio to transmit and slave radio to receive (similar to a mobile radio). Correctly cable the
test ports to communication system analyzer before adjustment.
Measure Adjustment
Item Condition
Instrument Point Point Method
Specification/Remark
Slave radio
receive
Channels
with/without
Communication
test set
J0109 K02
Rotate the knob to
adjust the volume
Squelch open sensitivity:
-118±3dBm