User Manual

TR-800 Service Manual
-3-
uni-directional mode (forward directional, i.e., RPT is active while OPT is inactive).
Short press the Monitor button
○
17 to display channel frequency by turns of slave radio Rx frequency,
slave radio Tx frequency, main radio Rx frequency, main radio Tx frequency; long press it to monitor
the activities on the current channel. The main radio processes monitoring while OPT is active, the
slave radio processes monitoring while OPT is inactive.
9. “Up” Button
○
15 , “Down” Button
○
13
Press the “Up” or “Down” button to select a desired channel.
10. RJ45 Connector
○
14
Plug the desktop microphone or palm microphone into this port to input audio, or plug the
programming cable into this port to program both radios.
11. Antenna Connector
The N connector
○
19 is for connecting with the main radio’s antenna, while the BNC connector
○
18 is
for the slave radio’s antenna.
When using duplexer, choose the correct adaptor on the back of TR-800 according to your antenna
connector type.
12. Fan
○
20
The fan is temperature-controlled with continuously variable speed as temperature changes.
13. AC Power Inlet
○
21 (with Switch
○
22 )
14. Accessory Connector
○
23 (DB15/F)
Used for external controller or link equipment.
15. Grounding Lug
○
24
For lightning protection, this terminal must be connected to an absolute earth ground via thick
copper wire, or use lightning arrester if necessary.
16. DC Power Inlet
○
25
The power supply would auto-revert to backup battery once the AC mains fails. This DC port also
provides floating charge function with approximate 400mA current.
17. DC Fuse
○
26
The 15A/32Vdc fuse protects against battery polarity reversal.