BIT SWITCHES
SM 67 B779
Fax Option
B779
3.2.5 G3 SWITCHES
G3 Switch 00 SP No. 1-105-001
No FUNCTION COMMENTS
0
1
Monitor speaker during
communication (tx and rx)
Bit 1 Bit 0 Setting
0 0 Disabled
0 1 Up to Phase B
1 0 All the time
1 1 Not used
(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.
2
Monitor speaker during
memory transmission
0: Disabled 1: Enabled
1: The monitor speaker is enabled during memory
transmission.
3-7 Not used Do not change the settings.
G3 Switch 01 SP No. 1-105-002
No FUNCTION COMMENTS
0 Not used Do not change the settings.
1
Select V.8 protocol for manual
RX function
0: No
1: Yes
This switch switches the V.8 protocol for manual
receiving off and on.
2-3 Not used Do not change the settings.
4
DIS frame length
0: 10 bytes 1: 4 bytes
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).
5 Not used Do not change the setting.
6
Forbid CED/AMsam output
0: Off
1: On (Forbid output)
Do not change this setting (Default: 0: Off), unless
communication problem is caused by a CED or
ANSam transmission.
7 Not used Do not change the setting.
G3 Switch 02 SP No. 1-105-003
No FUNCTION COMMENTS
0
G3 protocol mode used
0: Standard and non-standard
1: Standard only
Change this bit to 1 only when the other end can
only communicate with machines that send T.30-
standard frames only.
1: Disables NSF/NSS signals (these are used in
non-standard mode communication)
1-4 Not used Do not change the settings.
5
Use of modem rate history for
transmission using
Quick/Speed Dials
0: Disabled
1: Enabled
0: Communications using Quick/Speed Dials always
start from the highest modem rate.
1: The machine refers to the modem rate history for
communications with the same machine when
determining the most suitable rate for the current
communication.
6 Not Used Do not change the settings.
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