AT&T Trimline 240 - Manual (Page 13)

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1 New Call Light
This light flashes when you have unreviewed
call information in the call history.
2 Flash
Use F to activate phone company
subscriber services such as 3-Way Calling or
Call Waiting.
3 Clear
Press to exit dialing, to exit storing a
number in memory, to exit call history or at
any time to return to the idle screen without
saving any changes.
4 Ringer Volume
Adjust RINGER volume ( LO or HI ) or turn
RINGER OFF .
TELEPHONE OPERATION
3
2
4
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