Set Date And Time; Line Power Mode (No Ac Power) - AT&T CL4939 Quick Start Manual

Set date and time

Follow the steps below to set the date and time.
1. Press MENU and the screen shows SET TIME/DATE.
Use the dialing keys (0 through 9) to set the blinking digits. To enter a
2.
number that is less than 10, you must enter a zero (0) before the number.
Use DIR/ or CID/
key) to choose between AM and PM.
3. After entering all the digits in SET TIME/DATE, The screen automatically
prompts SET YEAR. Use the dialing keys (0 through 9) to set the blinking
digits.
4. Press SELECT or MENU to save the new setting and move to the next
option.

Line power mode (no AC power)

This telephone provides minimal functionality during a power failure. When AC
power is not available, the screen is blank and many telephone features do
not function. Only touch-tone dialing and volume adjustment (ringer volume
and handset volume) are supported. The telephone uses power from the
telephone line to enable you to make and answer calls using only the handset
and dialing keys.
To make a call during a power failure
Lift the handset and wait for a dial tone. The screen shows NO AC POWER.
1.
2. Slowly dial a telephone number using the dialing keys. Wait to hear each
key tone and make sure the digit appears on the screen before pressing
the next dialing key.
NOTE: If the telephone is not powered by the supplied power adapter,
there is a delay when dialing digits.
To answer a call during a power failure
• Lift the handset.
NOTE: The screen does not show incoming caller ID information during a
power failure.
to move to the next or previous digit and # (pound
7