Ricoh Type M12, Field Service Manual, Page: 135 / 226

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.
G3 Switches
G3 Switch 00 (SP No. 1-105-001)
No Function Comments
0
1
Monitor speaker during communication (tx
and rx)
(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.
Bit 1 Bit 0 Setting
0 0 Disabled
0 1 Up to Phase B
1 0 All the time
1 1 Not used
2
Monitor speaker during memory
transmission
0: Disabled 1: Enabled
1: The monitor speaker is enabled during memory
transmission.
3-5 Not used Do not change the settings.
6
Dedicated G3 line mode selection
0: Off 1: On (Dedicated)
Set this bit to 1 when you wish to dedicate a line
for G3.
7 Not used Do not change this setting.
G3 Switch 01 (SP No. 1-105-002)
No Function Comments
Bit Switches - 4
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