Ricoh D131 Service Manual page 1061

No.
Effective field limitation for G3
0 standard function information
0: OFF, 1: 4byte (DIS)
Switching between G3 standard
and G3 non standard
1
0: Enable switching
1: G3 standard only
2 Not used
ECM frame size selection at
3 transmitting
0: 256byte, 1: 64byte
DIS detection times for echo
4 prevention
0: 1 time, 1: 2 times
CTC transmission selection
5 0: PPRx1
1: PPRx4
Shift down setting at receiving
6 negative code
0: OFF, 1: ON
7 Not used
SM
IP Fax Switch 03 (SP No. 1-111-004)
Function Comments
Limits the effective field for standard G3
function information.
Enables/disables switching between G3
standard and G3 non-standard.
Do not change this setting.
Selects the ECM frame size for sending.
Sets the number of times for DIS to detect
echoes.
When "0" is selected, the transmission
condition is decided by error frame
numbers.
When "1" is selected, the transmission
condition is based on the ITU-T method.
Selects whether to shift down when
negative codes are received.
Do not change this setting.
169 D619