The Audio Test can verify the audio is functioning properly through a chosen input and output device (Handset, Headset, or Speakerphone). Follow these steps to test the audio: 1. Select 1 from the Diagnostics menu.
2. Use the arrow keys to scroll through a list of input devices to test (Handset, Headset, and Speakerphone).
3. Press the Select soft key to choose the input device.
4. Use the arrow keys to scroll through a list of output devices to test (Handset, Headset, and Speakerphone)
Keypad Test
The Keypad Test can verify if the keys on the phone are functioning properly. Use the following steps to test the keypad: 1. Select 2 from the Diagnostics menu. 2. Press any key and verify that the correct name of the key appears in the top left corner of the LCD display. 3. Press the Exit soft key twice to exit. 4. If a key does not display properly, notify your reseller or contact ADTRAN technical support
LED Test
The LED Test can verify that all light emitting diodes (LEDs) on the phone function properly. Use the following steps to perform an LED test: 1. Select 4 from the Diagnostics menu.
2. Select the All On soft key.
3. Verify the four LED lights on the phone face are working properly.
4. Select the All Off soft key. 5. Press the Exit soft key to return to the idle screen.
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