Ricoh D009 Service Manual page 929

Bit 1: 1 Bit 0: 1
= MH/MR/MMR/JBIG
Compression modes available
in transmit mode
Bit 3: 0 Bit 2: 0 = MH only
2-3 Bit 3: 0 Bit 2: 1 = MH/MR
Bit 3: 1 Bit 2: 0 = MH/MR/MMR
Bit 3: 1 Bit 2: 1
= MH/MR/MMR/JBIG
4 Not used
JBIG compression method:
Reception
5 0: Only basic supported
1: Basic and optional both
supported
JBIG compression method:
Transmission
6
0: Basic mode priority
1: Optional mode priority
Closed network (reception)
7 0: Disabled
1: Enabled
Communication Switch 01 [SP No. 1-104-002]
No FUNCTION
ECM
0
0: Off 1: On
1 Not used
SM
These bits determine the compression capabilities
to be used in the transmission and to be declared
in phase B (handshaking) of the T.30 protocol.
Do not change the settings.
Change the setting when communication
problems occur using JBIG compression.
Change the setting when communication
problems occur using JBIG compression.
1: Reception will not go ahead if the polling ID
code of the remote terminal does not match the
polling ID code of the local terminal. This function
is only available in NSF/NSS mode.
COMMENTS
If this bit is set to 0, ECM is switched off for all
communications.
In addition, V.8 protocol and JBIG compression
are switched off automatically.
Do not change the settings.
83
Bit Switches
D346