Panasonic KX-NT551 Quick Reference Manual page 10

Before Operating the Telephone
Ring Tone
1. Press the
PROG
2. Press a flexible CO button or [INTERCOM] 2 times.
3. Enter 2 digits (01-30) using the dial keys (0-9), or press [ ] or [ ] to
select the ring tone.
4. Press [ENTER].
5. Press [CANCEL].
LCD Backlight
While on-hook
1. Press the
PROG
2. Enter
3. Press [ENTER].
4. Press a dial key to select the LCD backlight mode.
: Automatic
: Always ON
: Always OFF
5. Press [ENTER].
6. Press [CANCEL].
*1 For KX-NT551, press [PAUSE/PROGRAM].
*2 For KX-NT551, press [AUTO DIAL/STORE].
10
soft button (S1).
*2
*1
soft button (S1).
.
*2
*2
*1
*1
*1