Specifications
310HD, 320HD and 420HD IP Phones
39.1.2 Keypad Test
The Keypad test checks the responsiveness and correct functioning of the keys on the
phone’s keypad.
To test the keypad:
1. Using the keypad, dial the number “0123456789” and then press the star (“*”)
key; the phone’s LCD screen displays the following:
Figure 39-1: Testing Keypad
2. Press all keys except the keys 0-9, *, and #; for every key pressed, its
corresponding character displayed on the LCD disappears.
Figure 39-2: Testing Keypad – Characters Disappear
.
3. Continue with the LED test in Section 39.1.3 on page 237.
Administrator's Manual 236 Document #: LTRT-09910