1. Press
2. Press
Result:
The month is shown on the display.
3. Press
until the correct month is shown.
4. Press
to save the month.
Result: The date is shown on the display.
Repeat steps 3 and 4 to change and save the date, hour, and minutes, respectively. (
Do not
change the year unless it needs to be
increased to the current year!)
4. Press
to start the clock.
Result:
The desk set beeps twice and the clock starts running.
Activating the Phone Test
The test checks the Message and other lights, and the various tones on your desk set. If any steps in the test fail or your service is
affected, call the Telephone Support Services HELP line at x3-4357 (x3-HELP).
1. Press
2. Press
Result:
The green Message light comes on and a tone begins repeating.
3. Lift the receiver and press each button on the telephone.
Result:
Each light next to a button should come on. You should hear a tone when you press buttons without lights. If these signals do
not work, your phone has failed the test.
Canceling the Phone Test
You can cancel the phone test at any time during its execution.
5ESS Digital (ISDN) Telephone User Guide | IS&T
https://ist.mit.edu/services/telephony/isdnguide
13 of 16
12/20/11 3:12 PM
