BIT SWITCHES
21 December, 2001
3-40
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
0-3
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
CED/ANSam transmission
0:
Disabled
1:
Enabled
Do not change this setting, unless the
communication problem is caused by the
CED/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
AI short protocol (transmission
and reception)
0:
Disabled
1:
Enabled
Refer to Appendix B in the Group 3 Facsimile
Manual for details about AI Short Protocol.
7
Short preamble
0:
Disabled
1:
Enabled
Refer to Appendix B in the Group 3 Facsimile
Manual for details about Short Preamble.