Baofeng BF-666S - Page 2

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CONTENTS
Buttons and Controls ...................................................................................................................... 3
Operation
Switching power ON/OFF ............................................................................................................... 4
Adjusting
the volume ...................................................................................................................... 4
Selecting
the channel (frequency) ................................................................................................. 4
Transmitting and Receiving ............................................................................................................ 4
Charging
the Li-ION Battery Pack .................................................................................................. 4
Menu Options
Squelch Level .................................................................................................................................. 5
Time-Out Timer (TOT) .................................................................................................................... 5
Scanning .......................................................................................................................................... 5
Beat Shift/Scrambler ...................................................................................................................... 5
Voice Prompts (and language) ........................................................................................................ 5
VOX (Voice Operated Transmit) .................................................................................................... 6
Emergency Alarm ............................................................................................................................ 6
Battery Saver ................................................................................................................................... 6
Battery Low Alert ........................................................................................................................... 6
Monitoring weak signals (MONI) .................................................................................................... 6
1750 Hz Tone ...................................................................................................................... 6
Busy channel Lock-Out (BLC) .......................................................................................................... 6
Beep Tone ....................................................................................................................................... 6
CTCSS/DCS Squelch filtering ........................................................................................................... 6
Other Information
Summary of Menu Function Activation ......................................................................................... 7
Specifications .................................................................................................................................. 8
Troubleshooting ............................................................................................................................. 8