NEC DT510 User Manual page 13

(4) Press Speaker to hang up.
Changing your Extension Incoming Ring Tone
(1) Press Speaker and dial 720.
(2) Dial 1 to set Intercom ring; Dial 2 to set Trunk
ring.
SET INCOM RING
1: INT 2: EXT
(3) Dial 1 to set the Tone; Dial 2 to set the Melody.
The display below shows when INT is selected
and Program 15-02-78 is enabled
SET INT INCOM RING
TONE:1 MELODY:2
(4) The following is displayed when 2: Melody is
selected.
SET INT INCOM RING
MELODY: 1-5
Displayed when ring tone setting is completed
and ring tone is played.
SET INT INCOM RING
SETTING COMPLETE
(5) Press Speaker to hang up.
Listening to the Incoming Ring Choices
(1) Press Speaker and dial 711.
(2) Dial 1 to listen to Intercom ring; Dial 2 to listen to
Trunk ring.
(3) For Intercom Ring:
Dial the code for the ring pattern you want to hear
if Program 15-02-78 is enabled
(Tone:1, Melody:2).
Tone Type Tone No.
Tone:1
Melody: 2
-OR-
7
Tone Range
1 High
2 Medium
3 Low
4 Melody 1
5 Melody 2
6 Melody 3
7 Melody 4
8 Melody 5