iv
PROGRAMMABLE VFO .......................................... 64
SWITCHING AM/FM MODE
(SOME VERSIONS ONLY) ...................................... 64
CHANGING FREQUENCY STEP SIZE ................... 65
CHANGING MULTI-FUNCTION BUTTON LABELS . 66
CHANGING BEEP VOLUME ................................... 66
LOCK ...................................................................... 67
Transceiver Lock ................................................ 67
All Lock ............................................................... 67
S-METER SQUELCH .............................................. 68
Squelch Hang Time ............................................ 68
POWER-ON MESSAGE .......................................... 69
DISPLAY DEMONSTRATION MODE ...................... 69
CHANGING DISPLAY CONDITIONS ....................... 70
Display Dimmer .................................................. 70
Auto Dimmer Change ......................................... 70
Display Contrast ................................................. 71
Positive/Negative Reversal ................................. 71
CONFIGURING PROGRAM FUNCTION KEYS ...... 72
KEYPAD DIRECT ENTRY ....................................... 74
Operating Frequency Entry ................................. 74
Memory Channel Number Entry .......................... 75
Tone Frequency Number Entry ........................... 75
CHANGING SPEAKER CONFIGURATIONS ........... 76
15
MICROPHONE CONTROL
ACTIVATING MICROPHONE CONTROL ................ 78
16
PACKET OPERATION
ACTIVATING DATA TX/RX BAND ............................ 79
1200/ 9600 bps OPERATION ................................... 79
DATA Connector Pin Functions ........................... 80
17
REPEATER FUNCTION (U.S.A/ CANADA ONLY)
LOCKED-BAND REPEATER ................................... 81
CROSS-BAND REPEATER ..................................... 81
TX HOLD ................................................................. 81
18
VS-3 VOICE SYNTHESIZER (OPTIONAL)
19
OPTIONAL ACCESSORIES
20
INSTALLING OPTIONS
INSTALLING THE VS-3 VOICE SYNTHESIZER
UNIT ........................................................................ 84
INSTALLING A DETACHABLE FRONT PANEL KIT
(DFK-3C/ DFK-4C/ DFK-7C) .................................... 84
Installation Examples .......................................... 86
21
MAINTENANCE
GENERAL INFORMATION ...................................... 87
SERVICE ................................................................. 87
SERVICE NOTE ...................................................... 87
CLEANING .............................................................. 87
TROUBLESHOOTING ............................................. 88
SPECIFICATIONS
INDEX