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OPERATING THROUGH REPEATERS ............................................................ 31
SELECTING AN OFFSET DIRECTION (SHIFT) .......................................... 31
SELECTING AN OFFSET FREQUENCY ..................................................... 32
TONE FUNCTION ........................................................................................ 32
AUTOMATIC REPEATER OFFSET ............................................................. 34
REVERSE FUNCTION ................................................................................. 34
TRANSMITTING A 1750 Hz TONE .............................................................. 35
SIGNALING ........................................................................................................ 36
CTCSS .......................................................................................................... 36
DCS .............................................................................................................. 37
CROSS TONE .............................................................................................. 39
DTMF FUNCTIONS ............................................................................................ 40
MANUAL DIALING ....................................................................................... 40
AUTOMATIC DIALER ................................................................................... 40
ADJUSTING THE DTMF CODE TRANSMIT SPEED .................................. 41
DTMF TX HOLD ........................................................................................... 42
ADJUSTING THE PAUSE DURATION ........................................................ 42
DTMF LOCK ................................................................................................. 42
AUXILIARY FUNCTIONS .................................................................................. 43
PROGRAMMABLE VFO ............................................................................... 43
FREQUENCY STEP SIZE ............................................................................ 44
TONE ALERT ............................................................................................... 44
POWER ON MESSAGE ............................................................................... 45
BEEP FUNCTION ......................................................................................... 46
LOCK TYPE .................................................................................................. 46
BATTERY SAVER ........................................................................................ 47
APO (AUTO POWER OFF) .......................................................................... 48
NARROW BAND FM OPERATION .............................................................. 48
BEAT SHIFT ................................................................................................. 49
VOX (VOICE-OPERATED TRANSMIT) ....................................................... 49
TIME-OUT TIMER ........................................................................................ 51
BUSY CHANNEL LOCKOUT........................................................................ 51
TX INHIBIT ................................................................................................... 52
MICROPHONE SENSITIVITY ...................................................................... 52
PROGRAMMABLE FUNCTION KEYS ......................................................... 52
MICROPHONE KEY LOCK .......................................................................... 53
BATTERY TYPE ........................................................................................... 53
WEATHER ALERT (TH-K20A K TYPE ONLY) ................................................. 54
WEATHER ALERT ON/ OFF ........................................................................ 54
WEATHER CHANNEL .................................................................................. 54
WEATHER CHANNEL SCAN ....................................................................... 54
APPENDIX ......................................................................................................... 55
OPTIONAL ACCESSORIES ......................................................................... 55
MAINTENANCE ............................................................................................ 55
TROUBLESHOOTING .................................................................................. 56
TRANSCEIVER RESET ............................................................................... 58
SPECIFICATIONS ........................................................................................ 59