AT&T CL2939 Conference Phone User Manual


 
7
Getting started
If no batteries are installed or the batteries fail, you can make or answer calls
using only the handset. Redial information is held only briefly.
NOTES:
Use disposable alkaline AA batteries only. Do not use rechargeable batteries.
If you do not use the telephone for a long time, disconnect and remove the
batteries from the telephone to prevent possible leakage.
Always unplug the telephone line cord before installing new batteries.
After you replace the batteries with new ones, the clock in the telephone
resets. Follow Set date and time on page 17 to set the clock again.
If there are no batteries installed and the telephone is plugged into a
telephone wall jack, when you lift the handset the screen display works
using the power from the telephone line. For more details about the line
power, contact your telephone service provider.
Battery installation
Rotate the bracket and lock it back as shown below.5.