User's Manual

Local Administrative Options
24 1600 Series IP Deskphone Installation and Maintenance Guide
Self-Test Procedure
Note:
Note: 1600 Series IP Deskphones store two software code images in reprogrammable
non-volatile memory. The primary image, called the “big app” must be running to perform
a self-test. The backup image, called the “little app” does not support the self-test.
For self-testing, use the following procedure:
1. To invoke 1600 Series IP Deskphone self-test procedures, press the following sequence of keys on
the faceplate of the deskphone:
Mute 8 3 7 8 # (Mute T E S T #)
Note:
Note: Press the Mute button momentarily. Do not press this button while pressing other keys/
buttons.
All deskphones show the following text, left-justified at the top of the display, for 1 second after
self-test is invoked:
A block character with all pixels on then displays in all display character locations for
5 seconds. Display of the block character helps to find bad display pixels.
The deskphone displays one of the following:
2. To terminate the self-test, press the # button on the dial pad at any time. Doing so generates a
confirmation tone, and returns the user interface to its previous state.
Self test
#=end
If self-test passes: Self test passed
#=end
If self-test fails: Self test failed
#=end