Service manual

Bit Switches
SM Appendix 5-57 D127/D128
Appendix:
Fax Trouble-
Shooting
Guide
G3 Switch 0C [SP No. 1-105-013]
No FUNCTION COMMENTS
0-3 Not used Do not change the settings
4-5
DTMF/DP fixed detection method selection for
remote switching
 Bit4: 0 / Bit5: 0 = Simultaneous detection of
DTMF+PSTN external line choice
 Bit4: 0 / Bit5: 1 = DTMF fixed
 Bit4: 1 / Bit5: 0 = DP (10PPS) fixed
 Bit4: 1 / Bit5: 1 = DP(20PPS) fixed
Sets the signal from the
handset as a trigger for remote
switching
6-7 Not used Do not change the settings
G3 Switch 0D Not used (do not change the settings).
G3 Switch 0E [SP No 1-105-015]
0-7
Set CNG send time interval
Some machines on the receiving side may not be able to automatically switch the
3-second CNG interval.
High order bit
3000-2250ms: 3000-50xNms
3000 – 50 x Nms 0F (3000 ms) < N < FF (2250
ms)
Low order bit
00-0E(3000-3700ms: 3000+50xNms
3000 – 50 x Nms 0F (3000 ms) < N < 0F (3700 ms)