Ricoh M160, Service Manual

Page: 751 / 836

Bit Switches - 4
M160/M161 Fax Option 95 SM
M
160/
M
161 F
A
X
OP
T
ION
G3 Switch 07 (SP No. 1-105-008)
No Function Comments
Modem rate fallback occurs frequently.

This setting is not effective in
V.34 communications.
4
PSTN cable equalizer
(V.8/V.17 rx mode: External)
0: Disabled
1: Enabled
Keep this bit at "1".
5 Not used Do not change this setting.
6
Parameter selection for dial tone
detection
0: Normal parameter
1: Specific parameter
0: This uses the fixed table in the ROM
for dial tone detection.
1: This uses the specific parameter
adjusted with SRAM (69ECBEH -
69ECDEH). Select this if the dial tone
cannot be detected when the "Normal
parameter: 0" is selected.
G3 Switch 08 - Not used (Do not change the factory settings.)
G3 Switch 09 - Not used (Do not change the factory settings.)