Setting dial tone detection, Phone line interference – Brother MFC-8660DN User Manual
Page 129
 
Troubleshooting and routine maintenance
115
Setting Dial Tone Detection
C
Setting the dial tone to Detection will
shorten the dial tone detect pause.
a
(USA) Press Menu, 0, 4.
(Canada) Press Menu, 0, 5.
04.Dial Tone
a Detection
b No Detection
Select 
ab
& OK
b
Press a or b to select Detection or 
No Detection
Press OK.
c
Press Stop/Exit.
Phone line interference
C
If you are having difficulty sending or 
receiving a fax due to possible interference 
on the phone line, we recommend that you 
adjust the Equalization for compatibility to 
reduce the modem speed for fax operations.
a
Press Menu, 2, 0, 1.
20.Miscellaneous
1.Compatibility
a High
b Normal
Select 
ab
& OK
b
Press a or b to choose Basic or 
Normal (or High).
Basic cuts the modem speed to
9600 bps. Unless interference is a 
recurring problem on your phone 
line, you may prefer to use it only 
when needed.
Normal sets the modem speed at
14400 bps.
High sets the modem speed at
33600 bps.
Press OK.
c
Press Stop/Exit.
Note
When you change the Compatibility to 
Basic, the ECM feature is not available.