Geemarc BDP400 - Manual (Page 17)

16
Menu navigation
To access the settings, press the "Menu" button when in
standby mode.
To exit the menu, press either the PB, CID(row two) or C
buttons(row one) at the top of the telephone, and a beep
tone will be heard.
The telephone will automatically return to standby mode
when in any menu, if no button is pressed for 45 seconds.
A beep tone sound will be heard.
Menu navigation
OPERATION