Retevis RB18, User Manual

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CTCSS/CDCSS Code function
VOX transmit
Busy channel lockout
Time out timer
Squelch level
Automatic power saving mode
Low power alarm
Frequency-hopping encryption
CPS program
Connect the radio to the computer by a special cable, you can read
and write the frequency of radio, set the function parameters, etc.
Through the CPS programming software, edit the received and
transmitted sub-audio of each channel to prevent receiving
unrelated calls on the same channel, including 50 CTCSS or 105
CDCSS.
CPS programming path: Edit- Channel- RX/TX
CTCSS/CDCSS option table is given in the appendix E.-CTCSS
Table and appendix F. - DCS Table
Through the PC programming software, set the VOX of radio to turn
on/off and the sound control level 1 to 5 grade, level 1 sensitivity is
the highest, level 5 sensitivity is the lowest.
CPS programming path: Edit- VOX control function (checkbox);
Edit- Voice level(Option: 1-5).
Turn on this function, when the selected channel is being used by
other users, press the PTT button, the radio is prohibited from
transmitting and emits a “beep, beep”sound. When the channel is
idle, you can transmit when you press the PTT key again.
CPS programming path: Edit- Channel- BCL (Option: Yes/No) .
set to Yes to activate the channel busy lock function.
radio will stop transmit and emit “beep”. To stop beep, release PTT
key, and press the PTT again to resume transmission.
TOT can effectively prevent any caller from occupying the channel
for too long. If you continuously transmit more than the set TOT, the
CPS programming path: Edit- TOT (Option: 30s, 60s, 90s, 120s,
150s, 180s ...... 300s or turn off)
Level 1-9 to select, corresponding to SPK output S/N is 8-18dB.
The function is activated when no signal is received or no operation
time exceeds 20s. Automatically stop when a signal is received or
an operation is performed.
The voice prompt is “Please charge” when the voltage is 3.4V, the
transmission is prohibited when the voltage is 3.2V.
You can choose to turn on/off the function through the channel
information bar on the PC software. After the function is turned on,
you can’t communicate with the channel where the function is turned
off, receiving the signal only by forcibly pressing the MONI key.
General
Frequency Range
Memory Channel
Operation Voltage
Battery Capacity
DC3.7V ±10%
1000mAH (Li-Ion)
Frequency Stability
Operating Temperature
Mode of Operation
Antenna Impedance
FRS 462.5500 ~ 467.7125 MHz (RX & TX)
22 FRS Ch 10 NOAA Weather
±2.5ppm
-20
℃
~ +60
℃
Simplex
50ohm
09
10