75-440 User manual
Page. 2
In this book… IN THIS BOOK…................................................................................................................................................. 2
INTRODUCTION.................................................................................................................................................... 4
WARNING NOTES................................................................................................................................................. 4
FCC LICENSING INFORMATION............................................................................................................................ 4
SAFETY................................................................................................................................................................ 4
CONVENTIONS AND SYMBOLS IN THIS BOOK....................................................................................................... 6
PART NAMES AND THEIR FUNCTIONS...................................................................................................... 7
TOP...................................................................................................................................................................... 7
FRONT.................................................................................................................................................................. 7
SIDE (LEFT AND RIGHT)........................................................................................................................................ 8
DISPLAY............................................................................................................................................................... 8
SETUP.................................................................................................................................................................... 9
UNPACKING......................................................................................................................................................... 9
FITTING AND REMOVING THE ANTENNA............................................................................................................. 10
INSTALLING AND REMOVING THE BATTERY PACK.............................................................................................. 10
INSTALLING/REMOVING THE BELT CLIP.............................................................................................................. 11
CHARGING THE BATTERY PACK.......................................................................................................................... 11
BASIC OPERATIONS....................................................................................................................................... 12
SWITCHING THE RADIO ON AND OFF................................................................................................................ 12
ADJUSTING VOLUME.......................................................................................................................................... 12
CHANNEL SELECTION......................................................................................................................................... 13
RECEIVING......................................................................................................................................................... 13
MONITOR BUTTON............................................................................................................................................. 13
TRANSMITTING.................................................................................................................................................. 14
ADJUSTING TRANSMIT POWER........................................................................................................................... 14
SCANNING CHANNELS........................................................................................................................................ 15
RADIO LOCK....................................................................................................................................................... 16
ADVANCED OPERATIONS............................................................................................................................ 17
HANDSFREE TRANSMIT (VOX).......................................................................................................................... 17
PAGING CALL..................................................................................................................................................... 17
ROGER BEEP...................................................................................................................................................... 18
KEY BEEP.......................................................................................................................................................... 18
SETTING “GROUP MODE” (CTCSS/DCS) CODES........................................................................................... 18
BATTERY PACKS................................................................................................................................................ 20
RADIO MAINTENANCE........................................................................................................................................ 21
OPTIONAL ACCESSORIES............................................................................................................................ 22
QUICK REFERENCE....................................................................................................................................... 24
OPERATION REFERENCE..................................................................................................................................... 24
SERVICE:....................................................................................................................... .................................... 25
INDEX.................................................................................................................................................................. 26