AT&T Trimline TR1909 Quick Start Manual page 5

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

Switch hook
When held down, the
telephone is in idle
mode.
When released, the
telephone is ready to
make a call.
Dialing keys
Press to dial a number.
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