Ricoh D072 Service Manual page 587

Bit Switches
7.2.5 G3-1 SWITCHES
G3 Switch 00 [SP No. 1-105-001]
No FUNCTION
Monitor speaker during
communication (tx and rx)
Bit 1: 0, Bit 0: 0 = Disabled
0-1 Bit 1: 0, Bit 0: 1 = Up to Phase
B
Bit 1: 1, Bit 0: 0 = All the time
Bit 1: 1, Bit 0: 1 = Reserved
Monitor speaker during
2 memory transmission
0: Disabled 1: Enabled
3-7 Not used
G3 Switch 01 [SP No. 1-105-002]
No FUNCTION
0-3 Not used
DIS frame length
4
0: 10 bytes 1: 4 bytes
5
Not used
Forbid CED/AMsam output
6 0: Off
1: On (Forbid output)
7
Not used
D067/D068/D069/D072
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.
COMMENTS
Do not change the settings.
1: The bytes in the DIS frame after the 4th byte will
not be transmitted (set to 1 if there are
communication problems with PC-based faxes
which cannot receive the extended DIS frames).
Do not change the setting.
Do not change this setting (Default: 0: Off), unless
communication problem is caused by a CED or
ANSam transmission.
Do not change the setting.
7-48 SM Appendix