Retevis RT388 Bedienungsanleitung Seite 3

Belt Clip
Kids can clip the units to their pocket or elsewhere while
they are on the go.
Call Tone Button
By pressing button , you can inform other radio users
in your group that you want to talk or have finished
talking. When button is pressed, a tone would be
transmitted.
LCD Display
Various information accessible at one glance, including
channel number, CTCSS code, volume level and other
status of the radio.
On/Off Power Button
Press and hold this button
Lamp Button
By pressing "LAMP" button to turn on/off the flashlight.
Convenient for those who use the radio at night.
Scan Button
Press button to detect channels with activities or
stop scanning.
MENU/ Button
Switch on/off the functions you want to start or stop.
You can also lock the channle by this button.
Monitor Button
Enable you to continuously monitor weak signals.
to turn on/off the radio.
Talk Button
Press and hold this button to talk and let go to listen.
Up and Down Key
To select channels, set CTCSS code, adjust volume
level, listening volume and other usage.
Speaker/Mic/Charger Jack
You can use the unit with external speaker/ Mic, or give
the unit a charge through this jack.
Product Features
TECHNICAL PARAMETERS
Product number
Frequency range
Channel number
Channel spacing
Working voltage
Frequency stability
Operating temperature range
The antenna impedance
Overall dimensions
Weight
TRANSMITER
Rf power
Modulation method
Noise and harmonic
Residual Radiation
Modulation distortion
Maximum deviation
2
RT388
PMR
8
12.5KHz
4.8V
±2.5ppm
-20℃~50℃
50Ω
140*55*28mm
79g
0.5W
11kΦF3E
<-40dB
≤-35dB
≤7%
≤±5KHz