ATT CL4940 User Manual

6

Getting started

Installation options
If you want to mount your telephone on a wall, use the provided wall mount 
bracket to connect with a standard dual-stud telephone wall mounting plate. 
If you do not have this mounting plate, you can purchase one from many 
hardware or consumer electronics retailers. Professional assistance may be 
required to install the mounting plate.
Tabletop to wall mount installation
To install the telephone base in the wall mount position, make sure you first 
unplug the...

7

Getting started

Installation options
Plug one end of the telephone line cord into the telephone line jack on 
the bottom of the telephone base. Plug the other end into a telephone 
wall jack or a DSL filter. Bundle the telephone line cord and secure it with 
a twist tie.
Plug the small end of the power adapter into the power jack on the bottom 
of the telephone base. Route the power adapter cord through the slot. Plug 
the large end into an electrical outlet not controlled by a wall switch.
3.
4....

8

Getting started

Installation options
Wall mount to tabletop installation
To change the telephone base from the wall mount position to tabletop 
position, follow the steps below.
Slide the telephone base upwards, then remove the telephone from the 
wall mounting plate. 
1.
Unplug the large end of the power adapter from the electrical outlet. 
Remove the power adapter cord from the slot. Unplug the smaller end from 
the power jack on the bottom of the telephone base. Unplug the telephone 
line cord...

9

Getting started

Installation options
Push the two tabs at the bottom of the wall mount bracket as indicated and 
remove the wall mount bracket from the telephone. 
4.
Plug one end of the telephone line cord into the telephone line jack on the 
bottom of the telephone base. Plug the other end into a telephone wall 
jack or a DSL filter. Plug the small end of the power adapter into the power 
jack on the bottom of the telephone base. Plug the large end into an 
electrical outlet not controlled by a...

10

Use the menu to change the telephone settings:
Press MENU/SELECT on the telephone when it is not in use to enter the 
main menu.
Press CIDq or DIRp to scroll to the feature to be changed. When scrolling 
through the menu, the > symbol indicates the selected menu item.
Press MENU/SELECT to select the highlighted item.
NOTE: Press CANCEL to cancel an operation, back up to the previous menu or exit the menu display. Press and hold CANCEL to return to idle mode.
Set date/time
The answering system...

11

Telephone settings

Ringer volume
You can set the ringer volume level to one of four levels or turn the ringer off. 
When the ringer is off,  appears on the screen. 
Press pVOLUMEq when the telephone is not in use. 
-OR-
Press MENU/SELECT in idle mode to enter the main menu.
Use CIDq or DIRp to scroll to >Ringer volume, then 
press MENU/SELECT.
Press CIDq or DIRp, or pVOLUMEq to sample each 
volume level.
Press MENU/SELECT to save your preference. There 
is a confirmation tone and the screen returns...

12

Telephone settings
LCD contrast
You can set the contrast of the screen to one of four levels.
Press MENU/SELECT in idle mode to enter the main menu.
Use CIDq or DIRp to scroll to >LCD contrast, then 
press MENU/SELECT.
Press CIDq or DIRp to choose from >1, >2, >3 or >4.
Press MENU/SELECT to save your preference. There 
is a confirmation tone and the screen returns to the 
previous menu.
Dial mode
The dial mode is preset to touch-tone dialing. If you have pulse (rotary) service, 
you must change the...

13

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 handset volume adjustment 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 the dial tone. The screen shows NO AC...

14

Telephone operation

Making a call
Lift the handset or press SPEAKER, then enter the 
telephone number.
The screen displays the elapsed time as you talk (in 
hours, minutes and seconds).
On hook dialing (predialing)
Enter the telephone number. Press DELETE X to make corrections when 
entering the telephone number.
Lift the handset or press SPEAKER.
Answering a call
Lift the handset or press SPEAKER.
Switching between handset and speakerphone
To switch from handset to speakerphone during a call:...

15

Telephone operation

Last number redial
The telephone stores the last telephone number dialed (up to 32 digits).
To redial a number:
To display the most recently called number, press 
REDIAL/PAUSE when the telephone is not in use.
Lift the handset or press SPEAKER to call.
-OR-
1. Lift the handset or press SPEAKER.
2. Press REDIAL/PAUSE to dial the number.
To delete a redial entry:
While the screen displays the redial number, press DELETE X to delete 
the number from the redial memory. The screen...