Factory Setting; Set Backlight - Steren S4-B REC-835 Manual De Instrucciones

CLEAN UP THE MESSAGE FOLDER
In voice mode, Press MENU key to enter sound menu.
After you record new message, you can select Clean up by pressing up
or down key. Press / key to confirm. The recorder will clean up the
recorded messages automatically.
Note: The unit only can clean up the selected folder messages.

FACTORY SETTING

Press and hold MENU key more than three seconds, Use / key and
select Schedule, Press / key to confirm.
Enter into Factory setting mode.
Press / key. Select Contrast
Select YES with / to confirm.

SET BACKLIGHT

Press and hold MENU key more than three seconds, use / key and
select Backlight, Presskey to confirm. Enter into Backlight menu. Use key
to adjust.
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