ONKYO DR-645 User Manual
8
En
Connections
Connecting the DVD receiver
Connect the supplied FM antenna to the FM ANTENNA
socket on the unit.
socket on the unit.
If reception is poor, connect the outdoor antenna.
Note
• Before attaching a 75 ohm coaxial cable, disconnect the supplied
FM antenna.
Caution
• To avoid noise, keep antennas away from the system, the
connecting cord and the AC power cord.
Caution
• To avoid damaging the speakers with a sudden high-level
signal, be sure to switch the power off before connecting
the speakers.
the speakers.
Before connection
Check the impedance of your speakers. Connect speaker
with an impedance of 4
with an impedance of 4
Ω ~ 16 Ω.
The black speaker terminals are “-” (negative).
Generally, the “+” side of the speaker cable is marked to
make it distinguishable from the “-” side of the cable.
Connect this marked side to the “+” terminal and the
unmarked side to the black “-” terminal.
Generally, the “+” side of the speaker cable is marked to
make it distinguishable from the “-” side of the cable.
Connect this marked side to the “+” terminal and the
unmarked side to the black “-” terminal.
How to connect
Subwoofer
Connect a subwoofer using a commercially-available
RCA cable. Use a subwoofer with built-in amplifier
referred to as a “powered subwoofer”.
RCA cable. Use a subwoofer with built-in amplifier
referred to as a “powered subwoofer”.
FM Antenna Connection
Speaker Connection
1
Turn the terminal cap counterclockwise to loosen
it. The speaker terminal caps cannot be fully re
moved from the base.
it. The speaker terminal caps cannot be fully re
moved from the base.
2
Insert the wire into the terminal fully and turn the
terminal cap clockwise to securely connect it:
terminal cap clockwise to securely connect it:
Subwoofer