Ricoh 920F Operating Instructions Manual page 915

2. Connecting the Machine
You can use it for telephone calls.
• When you use the optional handset or an external telephone with the [On Hook Dial] key for telephone
calls, you can not talk with the other party without pressing the [On Hook Dial] key after talking off
the receiver.
2
Specifying the handset line type
The switch on the handset should be in the appropriate position-TT (Tone Dialing) or DP (Pulse Dialing).
Adjusting the handset bell volume
Adjust the handset ringer volume using the volume switch.
Adjusting the handset receiver volume
102
TT DP
BHJ310S
Ringer
x
BHJ311S
Receiver
BKR030S