NEC DS1000 Feature Handbook page 61

5. When you see:
– Dial
– Dial
7. Press
To store your customized ringing as a default Ring Tone
Set from your Super Display telephone:
– This option is only available at Super Display telephones.
1. While your phone is idle, press:
PROGRAM
Distinctive Ringing
(for yes) or confirm your selection, or
9
(for no) to exit without making a selection.
6
to exit.
+ +
RING
+
CONFIG DEFAULT
. You see:
55