Ricoh M160 - Page 659

Fax Unit Option
M160/M161 Fax Option 3 SM
M160/M161 FAX
OPTION
Selecting the telephone line type of the handset
With a thin pointed object, set the switch on the handset to the line type you are using.
 Push button phone: DTMF dial tones
 Dial phone: 10 (PPS) or 20 (PPS)
Adjusting the handset bell volume
With a thin pointed object, adjust the bell volume using the volume switch.
 High : H
 Low : L
 No sound : OFF