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Customization
Setting the backlight timer
About this task
Use this procedure to set the time that elapses before the backlight is turned off.
Procedure
1. Press Main menu.
2. Scroll to Settings, and press Select.
3. Scroll to Display, and press Select.
4. Scroll to Backlight timer.
5. Enter time in minutes.
The value must be between 0 and 999.
6. To clear the value, press Backspac.
7. Press Save.
Adjusting the brightness of a phone screen
Procedure
1. Press Main menu.
2. Scroll to Settings, and press Select.
3. Scroll to Display, and press Select.
4. Press Select.
5. On Phone, press one of the following:
• Right Arrow key: To increase the brightness.
• Left Arrow key: To decrease the brightness.
Setting the display language
Procedure
1. Press Main menu.
2. Scroll to Settings, and press Select.
3. Scroll to Display, and press Select.
4. Scroll to Language, and press Select.
5. Scroll to the language that you want to use, and press Select.
April 2020
Using Avaya J139 IP Phone in an Open SIP environment
Comments on this document? infodev@avaya.com
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