Ricoh IM430 Series User Manual page 65

Dial phone: 10 (PPS)
P U S H D I A L
10 20
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
H L OFF
Installing the Handset
CHP106
CHP107
(mainly North America)
63