SM 127 D163
4.5 BIT SWITCHES - 3
 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.
4.5.1 COMMUNICATION SWITCHES
Communication Switch 00 (SP No. 1-104-001)
No Function Comments
0-1
Compression modes available in receive
mode
These bits determine the
compression capabilities to be
declared in phase B (handshaking)
of the T.30 protocol.
Bit 1 Bit 0 Modes
0 0 MH only
0 1 MH/MR
1 0 MH/MR/MMR
1 1 MH/MR/MMR/JBIG
2-3
Compression modes available in transmit
mode
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.
Bit 3 Bit 2 Modes
0 0 MH only
0 1 MH/MR
1 0 MH/MR/MMR
1 1 MH/MR/MMR/JBIG
4 Not used Do not change the settings.
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