Ricoh D017 Service Manual page 957

No Function
PSTN cable equalizer
(V.8/V.17 rx mode: External)
4
0: Disabled
1: Enabled
5 Not used
Parameter selection for the dial tone
detection
6
0: Normal parameter
1: Specific parameter
7 Not used
G3 Switch 08 - Not used (do not change the settings)
G3 Switch 09 - Not used (do not change the settings)
SM
G3 Switch 07 (SP No. 1-105-008)
Keep this bit at "1".
Do not change the settings.
0: This uses a fixed table in ROM for the
dial tone detection.
1: This uses a SRAM value that can be
adjusted for the dial tone detection.
Select this if the dial tone cannot be
detected when "Normal parameter: 0" is
selected.
Do not change the settings.
139
Bit Switches - 4
Comments
D361/D510