Operating Features; Controls And Functions - Kenwood TKR-850 Service Manual

1. Controls and Functions

1-1. Front Panel
1 Speaker
2 CH/STATUS Display
Two, 7-segment digits display the channel number or sta-
tus.
3 VOLUME control
Rotate to adjust the volume.
4 DC source ON/OFF switch
5 DC source indicator
Lights green when DC source is applied from the DC
13.6V jack (DC 13.2V jack on E type versions). Lights red
when DC source is applied from the BACKUP battery ter-
minal.
6 MIC jack
Connect a microphone to this 8-pin modular jack.
1-2. Rear Panel
1 2
7
1 TX OUT jack
Connect a TX antenna or a duplexer to this receptacle.
2 CONTROL I/O jack
Connect an external programming device or repeater
controller to this DB-25 interface.
3 FUSE
Insert 15 A blade fuses into these fuse holders.
4 RX IN jack
Connect a RX antenna or a duplexer to this BNC recep-
tacle.

OPERATING FEATURES

8 3 4
6 5
1 2 3
9 8 7
7 Programmable Function keys
Press these keys to activate their programmable func-
tions.
PF1 key (left side)
PF2 key
PF3 key
PF4 key
PF5 key
PF6 key (right side)
8 BUSY indicator
Lights green while a signal is being received.
9 TX indicator
Lights red while transmitting.
9
5 DC 13.6V (K type) / DC 13.2V (E type) jack
Connect a 13.6 V (K type) or 13.2 V (E type) DC power
supply to this jack.
6 BACKUP battery terminal
7 TEST/SPKR jack
Test input/output jack. Connect an external speaker to
this jack.
8 Cooling fan
9 Optional space
For external DC power supply, or duplexer, etc.
TKR-850
4 5
6
Default : None (No function)
Default : Repeat disable/enable
Default : TX disable/enable
Default : Take over
Default : Monitor on/off
Default : Channel up
3