Ricoh D131 Service Manual page 1039

4.6 BIT SWITCHES - 4

Do not adjust a bit switch or use a setting that is described as "Not used", as this may
cause the machine to malfunction or to operate in a manner that is not accepted by local
regulations. Such bits are for use only in other areas, such as Japan.
Default settings for bit switches are not listed in this manual. Refer to the System Parameter List
printed by the machine.
4.6.1 G3 SWITCHES
No
Monitor speaker during
communication (tx and rx)
Bit 1 Bit 0
0 0
0
1 0 1
1 0
1 1
Monitor speaker during memory
2 transmission
0: Disabled 1: Enabled
3-7 Not used
SM
G3 Switch 00 (SP No. 1-105-001)
Function
Setting
Disabled
Up to Phase B
All the time
Not used
Comments
(0, 0): The monitor speaker is disabled all
through the communication.
(0, 1): The monitor speaker is on up to
phase B in the T.30 protocol.
(1, 0): Used for testing. The monitor
speaker is on all through the
communication. Make sure that you reset
these bits after testing.
1: The monitor speaker is enabled during
memory transmission.
Do not change the settings.
147 D619