AT&T Trimline TR1909 Quick Start Manual page 3

Handset layout
M1, M2, M3
Press to dial a one-
touch number from the
memory.
Listening volume
Slide to adjust the
handset listening
volume to LO, MED,
or HI.
MEMORY
Press to access
telephone numbers
stored in the memory.
MUTE
Press and hold MUTE to
silence the microphone
to prevent the other
party from hearing you,
but you are still able to
hear the other party.
Release MUTE to return
to the original two-way
conversation.

Switch hook
When held, the
telephone is in idle
mode.
When released, the
telephone is ready to
make a call.
PAUSE/REDIAL
When the handset is
lifted, press to redial
the last number dialed.
When storing a
number in the
memory, press to
insert a three-second
dialing pause.
Press to store a
telephone number in
the memory.
PROG