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English 7
CAUTION
• If sound is not output normally, immediately turn
power off and check connections.
• B
e sure to turn the power off before changing the
setting of any switch.
• If the fuse blows, check wires for shorts, then
replace the fuse with one of the same rating.
• Check that no unconnected wires or connectors
are touching the car body. Do not remove caps
from unconnected wires or connectors to prevent
short circuits.
• Connect the speaker wires to appropriate speaker
connectors separately. Sharing the negative wire
of the speaker or grounding speaker wires to the
metal body of the car can cause this unit to fail.
• After installation, check that the brake lamps,
winkers, and wipers work properly.
7 About the Lead Terminals
1. Wire Thicknesses
You can use wires with the following thicknesses:
Battery wire and ground wire AWG 4 – AWG 6
Speaker wire AWG 8 – AWG 12
2. Strip the wire
Make a cut in the wire sheath (insulator made from vinyl, etc.)
at the position 10-13 mm (3/8" - 1/2") away from the end of the
wire, and then remove the unnecessary portion of the sheath
by twisting it.
3. Install the wire
Loosen the screw using the supplied hexagon wrench. Insert
the conductor of the wire in the terminal hole, and then
tighten the screw.
10 - 13 mm
(3/8" - 1/2")
Hexagon Wrench
(Small)
Hexagon
Wrench
(Large)
B channel
Right speaker
Bridged Connections
B channel
Left speaker
A channel
Right speaker
A channel
Left speaker
XR-4S_KE_1English.indd 7 08.12.18 5:35:50 PM