Retevis RT628B Bedienungsanleitung Seite 6

If there are no transmissions within 3 seconds, the radio will
automatically switch to Battery Saver mode and the Power Saver icon
will display. This will not affect the radio's ability to receive incoming
transmissions.
Communicating with Another Person
To Select a Channel
Channel Number
Listening for a Response
Listening
To Adjust Volume
1. Press and hold the PTT button.
2. With the microphone about one inch (2.5cm)
from your mouth, speak in a normal voice.
3. Release the
talking and listen for a response.
You cannot receive incoming calls while pressing
the PTT button.
Both radios must be tuned to the same
channel/privacy code to communicate.
With the radio on, select any of the 3 channels by
pressing Menu and the Up or Down button. Both
radios must be tuned to the same channel to
communicate. Channels 1 through 3 are shared with
GMRS.
Release the PTT
transmissions. Your radio is always in Standby
mode while the
Press the Up or
A double beep sound is used to indicate
the minimum and maximum volume levels
(1 through 8).
PTT button when you are finished
button to receive incoming
PTT buttons are not pressed.
Down button
5
at the standby mode.