Visual Ring
The Visual Ring option on the Options screen allows you to choose a visual alert for incoming calls. When you enable this option, the telephone rings and the lamp above the 2420 display area flashes when an incoming call arrives.
To set the Visual Ring option
1.From the Home screen, press the Option softkey.
The Options screen is displayed.
2.Press the Visual Ring feature button.
The Visual Ringing Alert screen is displayed.
3.Press the Yes/No softkey (or press button 6) to indicate whether you want Visual Ring enabled.
4.Do one of the following:
•If you want to save the setting you just selected, press the Save softkey. You will hear a confirmation tone, and you are returned to the Options screen.
•If you want to return to the Options screen without changing the setting, press the Cancel softkey.
•If you want to return to Page 1 of the Home screen without changing
the setting, press 
.
Self Test
The Self Test option, which appears on this screen, verifies the operation of the 2420 telephone’s lamps and display components. It also provides information regarding the 2420 telephone firmware version, link status, and module status. While the telephone is running in
To have the 2420 telephone perform a self test
1.From the Home screen, press the Option softkey.
The Options screen is displayed.
2.Press the Self Test feature button.
3.Press and hold the Test softkey to begin the test process.
4.Do one of the following:
•If you want to exit test mode and return to the Options screen, press the Done softkey.
•If you want to exit test mode and to return to Page 1 of the Home
screen, press 
.
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