Xomax XM-2RSU418BT User Manual
XM-2RSU418BT
Car AM/FM Radio with USB/SD Control
Contents
Warnings Before Installation...................................................3-5
Before You Install.......................................................................6
Installation .................................................................................7
Wiring Connections...........................................................8-9
Control of the Unit..................................................................10
Bluetooth Operation................................................................11
Basic Operation..................................................................12
Radio Operation....................................................................13
RDS Operation.......................................................................14
USB/SD Operation..................................................................15
Remote Control......................................................................16
Simple Troubleshooting Guide...............................................17
Specifications........................................................................18
Welcome!
Thank you for purchasing this high-technology car stereo with
USB, SD/MMC control. This unit can encode and record songs
and radio programmes to your USB Flash disk or SD/MMC
card. If there is any compatibility problems, we recommend you
to format your flashdisk/storage card in FAT32 mode before
using it. If the problem persisits, kindly consult your dealer for
assistance.
Owner’ Manual
2
Warnings Before Installation
Important Warnings to Take Note of BEFORE Commencing Installation
Damage Caused By Incorrect Installation or Usage is
NOT Covered By Warranty. PLEASE Take The Time To
Read The Installation Notes Carefully.
To Validate The Warranty Please Ensure That The Unit
Is Installed By A Professional, VAT Registered Car Audio Installation Company.
• To avoid shorts in your vehicles electrical system, be sure
to disconnect the battery cable before beginning installation.
• This unit is intended for vehicles with a 12-volt battery and
negative grounding. Before installing the unit in a recreational
vehicle, truck, or bus, check that the battery voltage is 12 volts.
• Remove the two transport screws from the top of the unit
before installation.
• The black lead is ground. A good chassis ground requires a
tight connection to ground. The area should be free from rust,
paint or any form of dirt. Please ground this lead separately
from the ground of high-current products such as power amps.
If you ground the products together and the ground becomes
detached, there is a risk of damage to the products or fire.
• Be sure to connect the colour coded leads according to the diagram. Incorrect connections may cause the unit to malfunction
or damage the vehicle’s electrical system. Cords for this product
and those for other products may be different colours even if they
have the same function. When connecting this product to another product, refer to the supplied installation manuals of both
products and connect cords that have the same function.
• Be sure to connect the negative (-) speaker leads to the negative (-) speaker terminal. Never connect the negative (-) speaker
leads to chassis ground.
• The unit is only designed for use with 4 speakers. Do not combine outputs for use with 2 speakers. Do not ground negative
speaker leads to the chassis ground.
• Speakers connected to this unit must be high-power units with
a minimum rating of 45W and impedance of 4 to 8 ohms. Connecting speakers with output and/or impedance values other
than those noted here will result in damage to the head unit
Owner’ Manual
3
Warnings Before Installation
and the speakers. Check the condition of your speakers carefully- connecting this unit to old or degraded speakers may result in a fault which will damage the audio IC and invalidate the
warranty.
• If this unit is installed in a vehicle that does not have an ACC
(accessory) position on the ignition switch, the red lead of the
unit should be connected to a terminal coupled with ignition
switch ON/Off operations. If this is not done, the vehicle battery
may be drained when you are away from the vehicle for several
hours.
• Secure the wiring with cable clamps or adhesive tape. To protect the wiring, wrap adhesive tape around them where they lie
against metal parts. To avoid short-circuiting, cover all disconnected lead with insulating tape. There is a possibility of shortcircuiting if the leads are not insulated.
• Route and secure all wiring so it cannot touch any moving
parts, such as the gear lever and handbrake. Do not route wiring in places that get hot, such as near the heater outlet. If the
insulation of the wiring melts or gets torn, there is a danger of
the wiring short-circuiting to the vehicle’s body.
• Don’t pass the yellow lead through a hole into the engine compartment to connect to the battery. This will damage the lead’s
insulation and cause a very dangerous short.
• Do not shorten any leads. If you do, the protection circuit may
fail to work when it should.
• Never feed power to other equipment by cutting the insulation
of the power supply lead of the unit and tapping into the lead.
The current capacity of the lead will be exceeded, causing overheating.
• Since a unique audio I/C circuit is employed, never wire so
the speaker leads are directly grounded or the left and right
– speaker leads are common.
• When this product’s source is switched ON, a control signal
is outputted through the orange lead. Connect to an external
power amp’s system remote control or the car’s Auto-antenna
relay control terminal (max. 300mA 12 V DC). If the car features
a glass antenna, connect to the antenna booster power supply
terminal.
• When an external power amp is being used with this system,
do not connect the orange lead to the amp’s power terminal.
Likewise, do not connect the orange lead to the power termi
of the auto-antenna. Such connection could cause excessive
drain and a major malfunction. Refer to the relevant owner’s manual
nal
current
Owner’ Manual
4
Warnings Before Installation
for details on connecting the power amp and other units, then make
the connections correctly.
• Do not block any vents or heater panels. Blocking them will cause
heat to build up and may result in fire.
• Make sure that the unit has a good chassis ground. A good ground
connection will eliminate most electrical noise. A good chassis
ground requires a tight connection to the vehicles metal chassis.
The area around the ground connection should be clean, bare metal
without rust, paint, plastic or dirt for a good electrical connection.
• If noise is still experienced when the motor of the vehicle accelerates, a choke should be placed in line with the power to the unit. The
installation company will know what is required.
• When replacing the fuse(s) the replacement must be of the same
amperage as shown on the fuse holder. Never replace a fuse with
another of a different value. If the fuse blows again please contact
your installation company.
• Do not block vents or heater panels. Blocking them will cause heat
to build up inside and may result in fire.
• Double check that all wiring and connections are correct before reconnecting the battery and turning on the unit.
• After completing the installation and before operating the unit, reconnect the battery, Then press the (RES) button with a pointed object,
such as a ball-point pen to set the unit to its initial status. After pushing the button, wait a few seconds for the red light to flash.
Tools for Installation
• 2 removal wrenches are supplied for taking out the old unit and place
with this brand name car radio. The following tools and supplies may
also be needed for the installation:
Tools for Installation:
- Philips Screw-drivers
- Wire Stripper
- Wire Cutter
- Hammer
- Pencil
- Electrical Tape
- Electric Drill
Supplies for Installation:
- Machine Screws
- Crimp Connectors
- 14 Gauge Wire for Power
Connections
- 14-16 Gauge Speaker Wires
* The above are not supplied.
Owner’ Manual
5
Before You Install
Automotive audio equipment installations can be troublesome at
times, even to the most experienced of installation technicians.
If you are not confident working with electrical wiring, removing
and reinstalling interior panels, carpeting, dashboards or other
components of your vehicle, please call your dealer in order to
have the unit professionally installed.
IMPORTANT:
Remove the two transport screws from the top of
the unit before installing.
1. Remove the Old Unit from the Dashboard
1. Remove the outer trim frame.
DIN Front Mount
2. Insert the keys supplied with the
old unit into both sides of the unit
as shown in figure below until
they click. Pull to remove the old
unit from the dashboard.
DO NOT DISCONNECT WIRES
AT THIS TIME!
2. Mark Polarity of the Speaker Wires
Marking the polarity of the speaker wires will make it easier to
connect the existing speakers to your car radio.Consult wiring
diagram of existing head unit before disconnecting any wires.
If
you are not positive of the polarity of the existing wires from
the speakers to the head unit, install new wires.
1.
While the old unit is playing,
disconnect the wires from
one speaker
2. Take a length of masking
tape and fold it around the
wire so it forms a flag.
3. On the masking tape mark
the polarity of the speaker
wires (+ & - ), as well as left
4. Double check that you
marked the first speaker
correctly by checking that
the speaker wires are the
same at the head unit.
5. Repeat this procedure for
all of the speakers.
6. Mark the power, ground,
and any other wires also
.
or right, and front or rear.
Owner’ Manual
6
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