user manual
Firmware version 1.0.0.8  DP715/DP710 User Manual  Page 24 of 52 
SETTING THE KEY LOCK 
You can lock the keypad against unintentional entries. It is, however, still possible to pick up incoming calls 
even with the keypad locked. 
Enable the Keypad Lock:  
1. Press   and hold for approximately 2 seconds.   
2. The display shows Keypad Locked briefly and the key lock icon     appears in the display. 
Disable the Keypad Lock: 
1. Press Unlock then     to unlock the keys. 
2.  Keypad Unlocked appears briefly in the display. 
KEYPAD BEEP ON/OFF 
You can set the handset so that a beep is heard every time a key is pressed. 
1. Press  . 
2. Press or    repeatedly, select Handset. 
3. Press     to confirm. 
4. Press   or repeatedly, select Keypad beep. 
5. Press   to confirm. 
6. Select 
– On: switches keypad beep on. 
– Off: switches keypad beep off. 
7. Press  to confirm your selection or press    to quit the menu without saving the 
setting. 
ADJUST THE DISPLAY CONTRAST 
1. Press  . 
2. Press or    repeatedly, select Handset. 
3. Press    to confirm. 
4. Press   or    repeatedly, select Contrast. 
5. Press   to confirm. 
6. Press  or  repeatedly to select the desired contrast level (8 contrast levels). 
7. Press Save to confirm your selection or press  to quit the menu without saving the setting. 










