Ricoh D146 Service Manual page 1921

G3 Switch 08 - Not used (do not change the settings)
G3 Switch 09 - Not used (do not change the settings)
No
Maximum allowable carrier drop
during image data reception
Bit 1 Bit 0
0 0
0-1
0 1
1 0
1 1
Select cancellation of high-speed RX
if carrier signal lost while receiving
2
0: Off
1: On
3 Not used
Maximum allowable frame interval
4 during image data reception.
0: 5 s 1: 13 s
5 Not used
SM
G3 Switch 0A (SP No. 1-105-011)
Function
Value (ms)
200
400
800
Not used
Comments
These bits set the acceptable modem
carrier drop time.
Try a longer setting if error code 0-22 is
frequent.
This switch setting determines if
high-speed receiving ends if the carrier
signal is lost when receiving during
non-ECM mode
Do not change the settings
This bit set the maximum interval
between EOL (end-of-line) signals and
the maximum interval between ECM
frames from the other end.
Try using a longer setting if error code
0-21 is frequent.
Do not change the settings.
145 D163