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12
Installation guide
12.1
Important notes
This device is designed to be used in a vehicle with a 12-volt battery and negative
grounding. Before installing this device to a recreational vehicle, a bus, or a truck,
make sure the battery voltage is appropriate for this device to be used, otherwise in-
stall a transformer by professional to convert the output voltage to 12V. We com-
mend to install the device by authorized service centres.
To avoid short circuits in the electrical system, ensure that the negative battery
•
cable is disconnected before installation.
To prevent short circuits in the wiring and damaging to this unit, secure all wir-
•
ings with cable clamp or adhesive tape. Route the wirings in a secured, out of
heating place without touching any moving parts such as gear shift, handbrake,
and seat rails to prevent the wiring insulation being melted/wore off.
Never pass the yellow power cord through the installation hole into the engine
•
compartment and connect to the car battery. Otherwise a high possibility of se-
rious short circuits to the electrical system may be caused.
Replacing a new fuse with 15A rating when the old one is broken, using no fuse
•
or fuse with improper rating may cause damage to the device or even fires. If a
proper fuse is installed and electrical problems still occur, please contact a pro-
fessional car shops for inquiry.
Do not connect other equipments with the car battery to avoid battery overheat-
•
ing.
Please make sure that all the wiring connections and the cables of the speakers
•
are well insulated. Otherwise this device may be damaged by short circuits.
Never ground the speaker output to prevent the damage to the built-in power
•
amplifier.
The maximum rating of the speakers connected to this device is 4 x 45W.
•
12.2
Preparation
1.
Before beginning the installation, always disconnect the battery negative termi-
nal.
2.
Remove the transport screws before installation. Otherwise the DVD player will
not operate.
12.3
Mounting sleeve installation
1.
Slide the mounting frame off the unit. If it is locked into position, use the removal
tools to disengage it.
2.
Remove the old device and the old mounting frame.
3.
Please check the fitting of the new 1-DIN mounting frame. Do not press the
mounting frame into the radio installation slot forcibly and avoid deflexion of the
mounting frame. Usually the mounting frame is very easy to install in all radio
installation slots with a size of 183 mm (w) x 52 mm (h).
4.
Please bend the ears of the mounting frame until the mounting frame is locked.
Manual KR-737+ radio navigation system
34
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