Retevis RM21 Bedienungsanleitung Seite 8

When ON is selected, the other party will receive a end tone when the transmission
is complete.
Note: If the noise reduction function is enabled, the received end tone will become
smaller!
7. Screen Background: BACKLIGHT
7.1. Press the [MENU] key briefly until BACKLIGHT is displayed.
7.2. Short press the UP or DOWN key to select the screen background colour and
long press the [MENU] key to confirm.
Note: There are 0-7 screen background colour options; Select 0 to turn off it.
8. Screen Brightness: BRIGHTNESS
8.1. Press the [MENU] key briefly until BRIGHTNESS is displayed.
8.2. Press the UP or DOWN key to select the brightness level and long press the
[MENU] key to confirm.
Note: There are 3 levels of brightness.
9. Keytone: BEEP
9.1. Press the [MENU] key briefly until BEEP is displayed.
9.2. Short press the UP or DOWN key to select ON/OFF, select whether to turn on
the key tone and
long press the [MENU] key to confirm.
10. Noise Reduction Function: NRC
10.1. Press the [MENU] key briefly until NRC is displayed.
10.2. Short press the UP or DOWN key to select ON/OFF; Choose whether to turn on
the noise reduction function, and long press the [MENU] key to confirm.
11. Power Saving Function: BATTERY SAVE
11.1. Press the [MENU] key briefly until displays BATTERY SAVE.
11.2. Short press the UP or DOWN key to select ON/OFF; Select whether to turn on
the power saving
Function; Long press the [MENU] key to confirm.
Note:
ON stands for turning on the power saving state, the radio the power saving state if
there is no operation within 10 seconds and the default state is ON.
12. Weather Alarm: WEATHER ALERT
12.1. Press the [MENU] key briefly until [WEATHER ALERT] is displayed.
12.2. Short press the UP or DOWN key to select ON/OFF; Select whether requires
an alarm tone when receiving the weather channel, and long press the [MENU] key
to confirm.
13. Version Number: VERSION
Press the [MENU] key briefly until the version number is displayed.
14. FACTORY
14.1. Press the [MENU] key briefly until [FACTORY] is displayed.
14.2. Short press the UP or DOWN keys to enter the reset mode.
14.3. Short press [SURE] for setting reset function; Short press [CANCLE] to cancel
the reset and exit.
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