AT&T TRIMLINE TR1909 User Manual page 23

Telephone settings
Menu setup
Tone/pulse
This telephone comes factory set for touch tone dialing. If you only
have pulse dial (rotary) service, you need to change this setting to
PULSE by following the steps below:
1. Press OPTION repeatedly until the screen
displays SET TONE/PULSE.
2. Press or
(TONE or PULSE).
Press OPTION to save your selection and
3.
return to idle mode.
-OR-
Press CLEAR to exit without saving your selection and return
to idle mode.
NOTE: If you have pulse dial (rotary) service, you can temporarily switch to
touch tone dialing during a call by pressing TONE
or pressing FLASH, the telephone automatically returns to its original dial mode.
to select the dialing mode
(page 21). After hanging up
19
SET TONE/PULSE
TONE