User Manual
Model: BF-888S PLUS
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
Analysis
Solution
You cannot turn on the radio.
The battery may be installed improperly.
Remove and reattach the battery.
The battery power may run out.
Recharge or replace the battery.
The battery may suffer from poor contact caused by
dirty or damaged battery contacts.
Clean the battery contacts or replace the
battery.
During receiving, the voice is weak
or intermittent.
The battery voltage maybe low.
Recharge or replace the battery.
The volume level may be low.
Increase the volume.
The antenna maybe loose or maybe installed
incorrectly.
Turnoff the radio, and then remove and
reattach the antenna.
The speaker maybe blocked.
Clean the surface of the speaker.
You cannot communicate with
other group members.
The frequency or signaling type maybe inconsistent
with that of other members.
Verify that your TX/RX frequency and
signaling type are correct.
You may be too far away from other members.
Move towards other members.
You hear unknown voices or noise.
You may be interrupted by radios using the same
frequency.
Change the frequency, or adjust the squelch
level.
The radio in analog mode maybe set with no
signaling.
Request your dealer to set signaling for the
current channel to avoid interference
You are unable to hear anyone
because of too much noise and hiss.
You may be too far away from other members.
Move towards 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.
Move to an open and flat area, restart the
radio, and try again.
It may be the result of external disturbance (such as
electromagnetic interference).
Stay away from equipment that may cause
interference.
The radio keeps transmitting.
VOX may be turned on or the headset is not
installed in place
Turn off the VOX function. Check that the
headphones are in place.
You cannot use the keys.
The keypad may not work temporarily.
Restart the radio.
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
400.00 to 470.00MHz
Working temperature
-10
℃
to +40
℃
Operation Voltage
DC 3.7 V ±10%
Operation Mode
Simplex
Antenna Impedance
50ohm
Duty cycle
5/5/90%
Category
B
