Canon PIXMA MX310 - Manual (Page 37)

33 Faxing
4
Press the [ or ] button to select the telephone line type, then press the OK
button.
ROTARY PULSE: Suitable for pulse dialing.
TOUCH TONE:
Suitable for tone dialing.
5
Press the Stop/Reset button.
Note
You cannot use ROTARY PULSE depending on the country or region of purchase.