Switching Power On/Off; Volume Control; Selecting The Channel - Retevis RB618 Mode D'emploi

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time, long-press UP+DOWN to enter scan mode

C. Power Switch/Volume Control.

D. PTT Button --- Press PTT+DOWN key to turn on, change

Chinese/English prompt.Press PTT+UP key to transmit

repeater to activate the audio DTMF(1750HZ、1450HZ、

2100HZ) The factory default is 1750HZ, others can be changed

by programming software.

E. Monitor Button --- long-press to open the monitor, release to

cancel the monitor.

F. Torch/Lock Button --- Short press the flashlight on or off,

long-press to lock or unlock the keyboard.

G. Speaker/Microphone Jacks

H. Speaker

I . Led Torch

J. Mic hole

K. Led indicator of battery pack

L. Battery pack charging port (5 pin)

M. Screen area-----Display operate information

LED screen display define

1. CT analog CTCSS: it means that the current channel is

receiving and transmitting at CTCSS mode.

2. DCS digital CDCSS: it means that the current channel is

receiving and transmitting at CDCSS mode.

3. VOX function: it means that the VOX turn on.

4. Key lock: it means that keyboard is lock and don't change

up/down operation, except monitor and PTT key.

5. TX: it means that radio is in the transmitting state and the

transmitting and receiving intensity meter is lit.

6. RX: it means that radio is in the receiving state and the transmitting

and receiving indicator is lit at same time.

7. Transmitting and receiving indicator.

8. Power and charge indicator: it means current battery level. The battery

level jumps back and forth from 1 to 3 in the charging state(Not displayed

during shutdown).

9. Channel display: display the current channel number.

Note: the radio enters the power saving mode after 10s of standby, the

screen does not light in this mode and the receiving green light will

blink at this time.