Sharp UX-P400 - Manual (Page 47)

Optional Reception Settings
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Optional Reception Settings
Fax Signal Receive
Your fax will automatically begin reception if you hear a soft fax tone after
answering a call on your fax or an extension phone. If you use a computer fax
modem to send documents on the same line, you must turn this function off in
order to prevent your fax from mistakenly attempting to receive documents
from the computer fax modem. Follow the steps below to change the setting.
1
Press once and once.
2
Press once and 5 times.
FUNKTION
Display:
OPTION SETTING
FAX SIGNAL RX