Retevis RT602, User Manual

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4. Receiving/transmitting communications:
The devices are in 'Reception' mode when lit up, i.e. they are ready
to receive a call or sound transmitted on the activated frequency.
When you press the Call tone button (9), the device switches to
'Transmission' mode. There will be sound signal from the walkie
talkies.
● To send a voice message, press the PTT button (14) and speak
into the microphone (11). Continue to press PTT the button until
you finish talking.
Hold the microphone a minimum of 5 cm from your face.
Note:
- The other device must be set to the same channel and have set
the same CTCSS code(see point 7)
- When the transmission is complete and you can release PTT
button (14), the other device will emit a sound (BEEP) to indicate
that this device is ready to transmit.
5. Changing Channels
● Press the MENU button (12)once, the current channel number
flashes on the display.
● Press the -
▲
button (7) or the -
▼
button (8) to change the
channel.
● Press the PTT - button to (14) confirm and return to stand-by
Mode.
Note: If no button is pressed within 15 seconds during setting, the
unit will return to standby.
●
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