Panasonic KX-FB421 - Manual (Page 19)

Connections and Setup
19
For fax advantage assistance, call 1-800-435-7329.
How to set up
1
Set the fax machine to FAX ONLY mode by
pressing {{{{RECEIVE MODE}}}} until the
following is displayed.
L The display will show the number of
rings before the fax machine answers a
call in FAX ONLY mode.
2
Press {{{{+ + + +}}}} or {{{{- - - -}}}} to change the ring
setting to 2 and press {{{{SET}}}}.
How to receive calls
Just leave it. When the other party sends a fax,
the fax machine will receive it automatically.
{SET}
{RECEIVE MODE}
{+} {-}
FAX
TEL
FAX ONLY MODE
3 RINGS