Brother MFC-790CW - Manual (Page 167)

Troubleshooting and Routine Maintenance
151
B
Dial Tone
B
Setting the dial tone to Detection will shorten
the dial detect pause.
a
Press MENU.
b
Press a or b to display
Initial Setup
.
c
Press Initial Setup.
d
Press a or b to display Dial Tone.
e
Press Dial Tone.
f
Press Detection or No Detection.
g
Press Stop/Exit.
Telephone line interference
B
If you are having problems sending or
receiving a fax due to possible interference
on the telephone line, we recommend that
you adjust the Equalization for compatibility
to reduce the modem speed for fax
operations.
a
Press MENU.
b
Press a or b to display Fax.
c
Press Fax.
d
Press a or b to display
Miscellaneous
.
e
Press Miscellaneous.
f
Press a or b to display
Compatibility
.
g
Press Compatibility.
h
Press High, Normal or
Basic(for VoIP)
.
„
Basic(for VoIP)
reduces the
modem speed to 9600 bps. Unless
interference is a recurring problem
on your telephone line, you may
prefer to use it only when needed.
„
Normal
sets the modem speed at
14400 bps.
„
High
increases the modem speed to
33600 bps. (factory setting)
i
Press Stop/Exit.
Note
When you change the compatibility to
Basic(for VoIP)
, the ECM feature is
only available for color fax sending.