AT&T TRIMLINE TR1909 User Manual page 11

Getting started
Battery installation
2. Install four new AA batteries
(not included) in the battery
compartment according to
the labels + and - engraved
in the compartment.
NOTE:
• Do not mix old and new batteries and do not mix alkaline and standard
(carbon-zinc) batteries.
• When the batteries are installed, the screen will show 12:00 and the clock will
begin to run. It will reset to the correct time when the first caller ID data is
received. If you wish to set the date and time manually, see Time and date on
page 17.
• Always disconnect all telephone lines from the telephone wall jack before
replacing batteries.
• Install new batteries every six months to maintain the call log and telephone
memory.
3. Close the battery
compartment cover. Make
sure it clicks into place.
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