Brother DCP-6690CW, Service Manual, Page: 494 / 506

App. 4-64 Confidential
• Selectors 4 and 5: Adjustment of temporary connection timing of Caller ID
If the machine cannot receive Caller ID, try to adjust the temporary connection timing of
Caller ID with these selectors.
• Selector 6: Output of CNG detection result to the activity report
Setting this selector to "1" (Enable) changes the items to be listed in the activity report as
follows.
- FAX NO./NAME
→
CNG DETECTION STATE (Tone detection status, calling/called status)
- DURATION
→
RCV MODE (FAX receive mode setting)
- PAGE(S)
→
EASY RCV (Easy Receive setting)
- RESULT
→
TRIGGER (FAX receive trigger)
• Selectors 7 and 8: Delay time from detection of a line polarity reversal until permission of
polarity reversal interrupt
If the machine cannot receive Caller ID due to switching noises from the telephone
switchboard, adjust the delay time from the detection of a line polarity reversal until
permission of polarity reversal interrupt with these selectors.