Sharp UX-B30 Operation Manual page 38

Connecting the Telephone Line Cord
Extension phone (optional)
If desired, you can connect an extension phone to the TEL. SET socket on the
fax machine.
♦
To connect an answering machine to the fax machine, see page 69.
1
Remove the seal covering the TEL. SET socket.
2
Connect the extension phone line to the TEL. SET socket.
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