NEC NEAX 2000, Руководство по программированию

Страница: 1189 / 1200

ND-91285-001(E)
DECEMBER, 1999
Page 407
Revision 1.0
(1/1)
VOLUME CONTROL - D
term
GENERAL DESCRIPTION
A D
term
is equipped with common
VOLUME CONTROL
keys for:
• Built-in Speaker/Handset Receiver Volume.
• Ring Volume.
• C.O. Transmission Level.
• LCD contrast.
• Ring Tone Frequency
The
VOLUME CONTROL
keys are located on the lower front side of the D
term
(UP ▲ and DOWN ▼ ).
STATION APPLICATION
All D
term
s.
OPERATING PROCEDURE
Built-in Speaker/Handset Receiver Volume:
1. While in an off-hook state, depress the
▲
(UP) key to increase the volume, or the
▼
(DOWN) key
to decrease the volume.
Ring Volume:
1. Depress the Feature key followed by 0:receive a test ring tone from the built in speaker.
2. Depress the
▲
(UP) key to increase the volume, or the
▼
(DOWN) key to decrease the volume.
3. Depress the Feature key, or lift the handset and restore the handset, to return to idle.
OR
1. When in a ringing state, depress the
▲
(UP) key to increase the volume, or the
▼
(DOWN) key to
decrease the volume.
C.O. Transmission Level:
1. While connected to a trunk, depress the Feature key followed by 2 or 4 :
Feature key + 2:+ 5 dB (receiving)/+3dB (sending)
Feature
key + 4:+ 5 dB (receiving)/No gain (sending)
LCD contrast:
1. While in an on-hook state, depress the
▲
(UP) key to decrease the contrast, or the
▼
(DOWN) key
to increase the contrast.
SERVICE CONDITIONS
l. The Speaker/Handset VOLUME CONTROL adjusts the volume of voice calls over the speaker/
handset receiver, and any tone sent by the system when using the speaker or handset.
2. The ring VOLUME CONTROL adjusts the volume of all ring tones to the D
term
.