JENSEN
JXP720, JXP460, JXP340
Power/Protect Light
Level
POWER
0
A dual status LED indicator illuminates
PROTECT
red or green to indicate the status of
the amplifier.
Green - Power applied, ON
Red
- Protection circuit activated,
STANDBY
Bass
BASS BASS
BASS
increases the
3Q 0
volume of the bass at
45Hz by up to 6-12 db.
OdB 12dB
JXP720
OdB
6dB
Use very carefully!
JXP460
JXP340
LEVEL
The input level control matches the
2
4
0
output of your radio to the input of
the amplifier. After the installation is
8V 3v
complete, make sure the input level
control on the amp is turned down
all the way (counterclockwise or all the way to
the left). Play a tape or CD (make sure bass
and treble settings or EQ are flat too) and
turn the volume up slowly until you just start
to hear distortion. Now back the volume down
just a bit. On the amp, slowly turn up the input
level control (clockwise or to the right) until
you just start to hear distortion and back it
down a bit. Now your radio and amplifier
levels are matched.
Testing
Before you finish the installation, you should do the following tests to make sure the wiring is correct
and everything is operating properly.
Reconnect Battery
When wiring is complete,
reconnect the battery
negative terminal.
Test Power Wiring
1. Turn on the receiver but do not turn up
the volume. The amplifier power light
should come on. If not, check the
REM and +12V wires.
2. Turn up the receiver volume slightly. All
speakers should operate. If not, check
wiring connections at amplifier and
speakers.
Test Speaker Connections
These tests make sure the speakers are
connected right. If speakers don’t play at all,
one (or both) speaker wires may be
disconnected. If the wrong speaker plays (you
hear left speaker when you expect right
speaker) make sure you connected the wires
correctly.
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