Adjusting contrast on button module
About this task
Use the following procedure to adjust the contrast of any button module when attached to any
phone . Fifteen contrast levels are available.
Procedure
1. Select
CONT
from the Craft Procedures screen.
The phone prompts you to use the Right and Left navigation arrows to change the contrast
for button module shown as Module: 1 or the contrast for the phone shown as Phone:
contrast.
2. To change the setting, press the
Right
or
Left
navigation arrow to navigate through the
settings.
By default, the contrast button is set to the middle of the contrast setting. As you press the
navigation arrow, the next higher or lower contrast level is selected and displayed as the
setting.
3. If more than one button module is attached, scroll down to that line, for example, to
Module: 2 and repeat Step 2 to change the contrast.
4. Press
Save
to store the new contrast settings and display the Craft Procedures screen.
Disabling or enabling automatic gain control
About this task
Use the following procedure to turn Automatic Gain Control (AGC) for the handset, headset, or to
put the speaker to On or Off. The user can potentially override the AGC local procedure settings. If
the values are changed, the backup file stores the AGC values set by the user and does not save
any setting established using this local procedure.
Procedure
1. Select
AGC
from the Craft Procedures screen.
The phone displays the options as shown in the following table:
Options available for AGC
Status
Handset Auto Gain control
On
Headset Auto Gain Contro
l
On
Speaker Auto Gain Control
On
Adjusting contrast on button module
May 2018
Installing and Administering Avaya J169/J179 IP Phone H.323
179