Appendix A. - Trouble Shooting Guide; Appendix B. - Technical Specifications - Baofeng PLUS Series User Manual

coming from other stations set on the same frequency but with different CTCSS/DCS tones won't be received.
5.7 Prompt voice switch settings
The encoder is selected to the 10th channel. Press and hold the PTT and Monitor to turn on the radio, and turn the prompt voice on or off.
Turn on the prompt voice function, and there will be voice prompts when the encoder is turned on or operated. If you turn off the prompt voice
function, there is only a "beep" prompt when you turn on or operate the encoder.
Emergency alert function
If necessary, you can pre-program the Monitor into the Alarm function via CPS programming software.
Turn on the radio, short press the Monitor to turn on the alarm function. Press the Monitor again to release the emergency alarm status.
CPS programming path: Edit> Function Setting> Side Key> Alarm
5.8 VOX
The VOX feature enables hands free conversations without using PTT: just speak in the direction of the microphone and the communication will be
automatically activated. The VOX sensitivity can be adjusted in 5 different levels (1...5) through the programming software:
Level 2 is set by default and has the lowest VOX sensitivity, 5 is the lowest one.
With the programming software you can enable/disable the VOX feature and select the sensitivity levels.
CPS programming path: Edit> VOX >Vox Gain
5.9 Quick operation radio
Without CPS programming software, you can perform the following quick operations through the combination of PTT + Monitor:
• On channels 1-5, press and hold the PTT + Monitor to turn on the radio and turn the VOX function on or off. The VOX sensitivity is level 1-5, the
level 1 sensitivity is the highest, and the level 5 sensitivity is the lowest. Accompanied by a voice prompt VOX ON or VOX OFF.
• On the 10th channel, press and hold the PTT + Monitor to turn on the radio and turn on or off the prompt voice function.
• On the 15th channel, press and hold the PTT + Monitor to turn on the radio and switch the prompt language between Chinese and English.
Appendix A. – Trouble shooting guide
Phenomena
You cannot turn on the radio.
During receiving, the voice is weak
or intermittent.
You cannot communicate with
other group members.
You hear unknown voices or noise.
You are unable to hear anyone
because of too much noise and hiss.
The radio keeps transmitting.
You cannot use the keys.
NOTE: If the above solutions cannot fix your problems, or you may have some other queries, please contact your dealer
for more technical support.
Appendix B. – Technical Specifications
General Part
Frequency Range
Working temperature
Operation Voltage
Operation Mode
Antenna Impedance
Duty cycle
Category
User Manual
Model: BF-888S PLUS
Analysis
The battery may be installed improperly.
The battery power may run out.
The battery may suffer from poor contact caused by
dirty or damaged battery contacts.
The battery voltage maybe low.
The volume level may be low.
The antenna maybe loose or maybe installed
incorrectly.
The speaker maybe blocked.
The frequency or signaling type maybe inconsistent
with that of other members.
You may be too far away from other members.
You may be interrupted by radios using the same
frequency.
The radio in analog mode maybe set with no
signaling.
You may be too far away from other members.
You may be in an unfavorable position. For
example, your communication may be blocked by
high buildings or blocked in an underground area.
It may be the result of external disturbance (such as
electromagnetic interference).
VOX may be turned on or the headset is not
installed in place
The keypad may not work temporarily.
400.00 to 470.00MHz
-10℃ to +40℃
DC 3.7 V ±10%
Simplex
50ohm
5/5/90%
B
Solution
Remove and reattach the battery.
Recharge or replace the battery.
Clean the battery contacts or replace the
battery.
Recharge or replace the battery.
Increase the volume.
Turnoff the radio, and then remove and
reattach the antenna.
Clean the surface of the speaker.
Verify that your TX/RX frequency and
signaling type are correct.
Move towards other members.
Change the frequency, or adjust the squelch
level.
Request your dealer to set signaling for the
current channel to avoid interference
Move towards other members.
Move to an open and flat area, restart the
radio, and try again.
Stay away from equipment that may cause
interference.
Turn off the VOX function. Check that the
headphones are in place.
Restart the radio.