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Recall duration
This option is helpful when using operator services. The default value of recall time that is preset in your
VOIP433 should be the best suited for your country network and therefore you should not need to change it.
1. In idle mode, press MENU.
2. Press UP / DOWN to select SETTINGS, and then press OK.
3. Press UP / DOWN to select RECALL. Press OK.
4. Press UP / DOWN to select the desire recall duration. Press OK.
Pause duration
Your phone comes with 2 factory programmed pause durations.
1. In idle mode, press MENU.
2. Press UP / DOWN to select SETTINGS, and then press OK.
3. Press UP / DOWN to select PAUSE . Press OK.
4. Press UP / DOWN to select PAUSE 1 or PA USE 2. Press OK.
Set display contrast
1. In idle mode, press MENU.
2. Press UP / DOWN to select DISPLAY, and then press OK.
3. Press UP / DOWN to select CONTRAST. Press OK.
4. Press LEFT / RIGHT to adjust the display contrast. Press OK to save the desire settings.
Other features