GENERAL OPERATION .............................................................12
OPERATION OF THE KEYS ........................................................ 12
ON/OFF AND VOLUME .............................................................. 13
SELECTING CHANNELS ............................................................. 13
TRANSMITTING ......................................................................... 13
RECEIVING ................................................................................ 14
SIGNAL STRENGTH METER ....................................................... 14
SQUELCH .................................................................................. 15
SQUELCH LEVEL ...................................................................... 16
PRIORITY CHANNEL ................................................................. 17
DUAL WATCH ........................................................................... 18
TRIPLE WATCH .......................................................................... 18
SCAN GROUPS .......................................................................... 19
DUPLEX ..................................................................................... 20
PRO KEY.................................................................................... 21
PRO KEY ASSIGNMENTS........................................................... 22
LOCK KEY .................................................................................. 22
TRANSMIT POWER ................................................................... 23
BUSY LOCKOUT ........................................................................ 23
TIME-OUT TIMER ..................................................................... 24
ROGER BEEP ............................................................................. 24
MICROPHONE GAIN .................................................................. 25
VOICE SCRAMBLER .................................................................. 25
NARROW BAND FILTER ............................................................ 26
SILENT SQUELCH TAIL .............................................................. 27
DYNAMIC VOLUME CONTROL .................................................. 27
LCD BACKLIGHT ........................................................................ 28
BEEPS ...................................................................................... 29
CHANNEL ANNOUNCE .............................................................. 29
TX6600PRO INSTRUCTION MANUAL