DBTEL DB-2901 Manual De Usuario
Quick & Easy
11
keypad.
After locking the keypad, the “Key Guard Mode”
message will be shown in the center of the bottom
part of the LCD display.
After locking the keypad, the “Key Guard Mode”
message will be shown in the center of the bottom
part of the LCD display.
Unlock keypad
Press “3*” in sequence quickly to unlock the keypad.