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* - Indicates that feature can be enabled and programmed through the CHIRP  
     or Baofeng software. 

* VOX (Voice Operated Transmit) 

VOX eliminates the need for using the PTT 
key to transmit. The transmitter is keyed 
when the VOX circuit senses you are 
speaking into the microphone. 

 

When operating the VOX function, set 
the VOX Gain level to recognize the 
desired sound level (via software). 

 

If level is too sensitive, the transceiver 
will key with noise in the background. 

 

If level is not sensitive enough, it will 
not pick up your voice. Set level for 
smooth transmission. 

 

On channel 1-5, Press and Hold the PTT 
and MONI buttons while switching ON 
the transceiver to turn the VOX ON or 
OFF. 

 * EMERGENCY ALARM 

On channel 11, Press and Hold the PTT and 
MONI buttons while switching ON the 
transceiver to turn the Alarm Function ON 
or OFF.  

This is a function for your receiver only. 
You will not transmit the alarm on the 
channel. 

* BATTERY SAVER 

This mode reduces power  consumption 
when not receiving a signal. Battery saver 
turns on automatically 10 seconds after no 
signal is received and no operation is being 
performed.  

BATTERY LOW ALERT 

Reminds you that battery needs recharging. 
Alert tone will sound and 

red 

LED will 

blink.  

MONITOR 

When no signal is being received, Press and 
Hold the MONI. This is helpful for adjusting 
volume level and receiving weak signals. 

1750  Hz Tone:  Pressing the MONI button 
after pressing the PTT will send a 1750Hz 
tone over the air. 

* BUSY CHANNEL LOCK-OUT (BCL) 

BCL prevents you from transmitting on a 
channel if a signal is present. Pressing the 
PTT switch while a channel is in use will 
emit an alert tone and inhibit the transmitter.  

* BEEP TONE 

If turned on, radio will give short tone to 
indicate that there is nothing programmed 
for that channel.  

* CTCSS/DCS Squelch filtering  

CTCSS (Continuous Tone Coded Squelch 
System) or DCS (Digital Coded Squelch).     

You may sometimes want to hear calls only 
from specific persons or groups. This option 
allows you to ignore unwanted calls from 
others on the same frequency. These tones 
are sub-audible (cannot be heard) and are 
selectable via software. 

Note: These tones do NOT cause your 
conversation to be private or scrambled. It 
only relieves you from listening to unwanted 
conversations.

Summary of Contents for BF-888S

Page 1: ...eiver 5W UHF 400 470 MHz Operating Instructions V1 1 Updated Nov 2016 BAOFENG BF 888S BF 666S BF 777S POFUNG T88 GT1 RETEVIS H 777 Note This is not an official Baofeng Manual Content from Miklor com f...

Page 2: ...tions 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...

Page 3: ...lume D PTT push to talk Button Push button to transmit release to receive see Transmitting and Receiving pg 4 E MONI Monitor Button Press and Hold Squelch OFF to hear background noise see Squelch pg 5...

Page 4: ...ing and Receiving To transmit voice press and hold the PTT button D and speak into the microphone 2 3 in away from your mouth in a normal tone of voice The LED indicator light turns red when transmitt...

Page 5: ...the Scanning ON or OFF If FM Radio function is activated via software the radio will not scan Note There is no actual FM Radio function in this radio so this option should always remain deactivated i...

Page 6: ...omatically 10 seconds after no signal is received and no operation is being performed BATTERY LOW ALERT Reminds you that battery needs recharging Alert tone will sound and red LED will blink MONITOR W...

Page 7: ...MONI and Power ON Alarm Function ON OFF if selected via SW Ch 12 Press Hold both PTT and MONI and Power ON Locks Transmitter ON Power cycle to reset Ch 15 Press Hold both PTT and MONI and Power ON Cha...

Page 8: ...ith other user Verify that the frequency and CTCSS tones are the same for all users Ensure all users are within range Hearing stations other than tuned station Change your CTCSS for that channel Chang...

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