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Power Supply Terminal
Fuse
HDA-M80/HDA-V90 .........................................30 A x 3
HDA-F60...............................................................35 A x 2
USE THE CORRECT AMPERE RATING WHEN
REPLACING FUSES.
Failure to do so may result in fire or electric
shock.
Speaker Input Level Switch
Switch according to the Speaker input mode.
a) When making a speaker input
connection with RCA Extension
Cables (sold separately), set to "LO".
b) When making a speaker input
connection with Speaker-RCA
Conversion Cables (sold separately),
set to "HI".
RCA Input Jacks
Connect these jacks to the line out leads on your
head unit using RCA extension cables or
Speaker-RCA Conversion cable (sold separately).
Be sure to observe correct channel connections;
Left to Left and Right to Right.
Pre-Out Jacks (HDA-M80 only)
These jacks provide a line level output. This is an
ideal output for driving a second subwoofer
amp. This output is full-range, and is not affected
by the crossover.
Remote Bass Control (Optional)
Connect the Remote Bass Control Unit
RUX-KNOB or RUX-KNOB.2 (sold separately) to
adjust the output level remotely. This is not to
replace appropriate gain level setting between
the amplifier and head unit.
• HDA-F60 supports RUX-KNOB.2 only.
Speaker Output Terminals
Battery Connector
Make the Battery, Remote Turn-on and Ground
lead connections (as shown) to the Battery
Connector.
Insert Plug to Terminal
• For details on how to connect, see "Cautions
on wire lead connections" (page 6).
.
Battery Lead (Sold Separately)
Be sure to add an External Fuse (e.g. Fuse Block,
Circuit Breaker) with the battery lead as close as
possible to the battery's positive (+) terminal.
This fuse will protect your vehicle's electrical
system in case of a short circuit. See below for
appropriate fuse value requirement:
HDA-M80/HDA-V90 ................................90 amp fuse
HDA-F60......................................................70 amp fuse
• For details on the wires size to be used, refer to
the supplied "Cautions on Power Supply Wires
Connection" and "Cautions on Power Supply
Wires" (page 18), and then use the wire of
the specified size.
Remote Turn-On Lead (Sold Separately)
Connect this lead to the remote turn-on
(positive trigger, (+) 12 V only) lead of your head
unit. If a remote turn-on lead is not available, see
"CONNECTION CHECK LIST" section on
page 7 for alternative method.
• When connecting the speaker output leads of
the head unit to this unit with a Speaker-RCA
Conversion cable (sold separately), you do not
need to connect the remote turn-on lead,
owing to the "REMOTE SENSING" function of
this unit. However, the "REMOTE SENSING"
function may not work depending on the
signal source connected. In such a case,
connect the remote turn-on lead to an
incoming power supply cord (accessory
power) in the ACC position.
Ground Lead (Sold Separately)
Connect this lead securely to a clean, bare metal
spot on the vehicle's chassis. Verify this point to
be a true ground by checking for continuity
between that point and the negative (–)
terminal of the vehicle's battery. Ground all your
audio components to the same point on the
chassis to prevent ground loops while keeping
wire length as short as possible.
• For details on the wires size to be used, refer to
the supplied "Cautions on Power Supply Wires
Connection" and "Cautions on Power Supply
Wires" (page 18), and then use the wire of
the specified size.
Speaker Connector
Make the Speaker Output Lead (+)/(-)
connections to the Speaker Connector.
Insert Plug to Terminal
• For details on how to connect, see "Cautions
on wire lead connections" (page 6).
Be sure to observe correct speaker output
connections and polarity in relation to the other
speakers in the system. Connect the positive
output to the positive speaker terminal and the
negative to negative.
.
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