AT&T 7720 - Manual (Page 10)

8
INSTALLATION
6 Connect the power cord.
Plug the power cord into the jack labeled
POWER on the back of
the base. Plug the AC adapter on the power cord into an electrical
outlet not controlled by a wall switch.
CAUTION: Use only the AC power adapter supplied with this
telephone. Power Supply HADW-1; Input: 120V AC, 60 Hz, 16W;
Output: 12V DC, 900mA.
NOTE: When the system is first connected to AC power, it begins an
automatic initialization routine. After this routine is complete, the Message
Counter flashes
CL, indicating the clock needs to be set. See “Setting the
Clock” in the ANSWERING SYSTEM SET-UP section of this manual.
7 Rotate the base antenna so it is fully upright.
8 Charge the handset batteries before use.
Place the handset in the base and charge the batteries for four hours.
The CHARGING light on the base goes on to show the handset is in
the right position to charge the batteries. The handset will charge
when placed in the cradle either face up or face down.
9 Check for a dial tone.
After the batteries are charged, pick up the handset. Check for a dial
tone by pressing
P; the PHONE light should go on and you
should hear a dial tone. Press
P again to turn the phone off.
10 Set the dial mode.
If you have touch tone service, the phone will be ready to use as
soon as the battery is charged.
If you have dial pulse service you will need to set the dial mode
as follows:
a
Press U on the handset.
b Use the softkey to select NEXT. (See “About Softkeys” in the
TELEPHONE OPERATION section of this manual.)
c Use the softkey to select SETUP.
d Use the softkey and continue to select NEXT until the screen
displays DIAL MODE:TONE.
e Use the softkey to select CHANGE. The screen displays DIAL
MODE:PULSE.
f Press U to exit.
To change back to tone dialing, follow Steps a through d.
11 Follow the instructions in the CALLER ID SET-UP section of this
manual.
12 Follow the instructions in the ANSWERING SYSTEM SET-UP
section of this manual.