BYD L3. Service Manual — part 7

L3

Owner’s Manual

Auto Audio System 1-93

In-Car CD Panel Function Description

L3 CD panel button description

L3

Owner’s Manual

Auto Audio System 1-94

L3 CD panel button supplementary description

Schematic diagram of in-car CD display

L3 CD initial sketch of display

L3

Owner’s Manual

Auto Audio System 1-95

In-Car CD Panel Usage Description

“Power switch/volume” knob: Rotate
the knob to adjust volume or switch
on/off CD. At the time of volume
adjustment,

the

display

shows

corresponding volume.

“Tuning/sound effect” button knob:
Rotate the knob to tune manually. Rotate
counterclockwise to reduce frequency
and

rotate

clockwise

to

increase

frequency; Press the button in a cycle of
“bass (BAS) - treble (TRE) - balance
(BAL) - fader (FAD) - automatic noise
control (ANC)”. Rotate the knob to adjust
between different modes. When the
mode changes, the corresponding mode
name will be shown on the display.

“

” key: In RADIO mode:

press it to automatically search for a
strong signal station +/-, start play or
stop searching.

Press and hold it to search for high/low
frequency radio station quickly.

Release the button to stop. In CD and
USB

mode,

press

it

to

go

to

next/previous track. Press and hold it to
fast forward or fast reverse single track
time and to fast forward or fast reverse a
track in USB mode.

“ ∧ ∨” button: file folder operation
button: increase/reduce file folder. The
key is available in USB mode only in
order to switch between different U disk
file folders quickly.

“1-6” number key: In RADIO mode,
press it to select a radio station to store
the current channel in a corresponding
number key.

“FM1”, “FM2” and “AM” keys: Press
the keys in any mode to switch to FM1,
FM2 or AM radio functions respectively.
The display shows FM1, FM2 and AM
respectively.

“CD”, “USB” and “AUX” keys: Press
these keys to enter CD, USB and AUX
modes respectively. The display shows
CD, USB and AUX respectively.

“SEEK” key: Press and hold it to

automatically search and store a radio
station.

Press it to preview all stored radio
stations in the current mode. The display
shows SCAN.

“PAUS” key:

CD mode: disk play/pause. The display
shows PAUS.

“RPT” key:

In CD mode: Press it to repeat playing a
track.

In USB mode: Press it to repeat the
current file. Press and hold it to play the
current file folder in a cycle.

The display shows “RPT”.

“INT” key: In CD and USB modes,
press it to preview play. The display
shows “INT”.

“RDM” key: In CD and USB modes,
press it to perform random play. The
display shows “RDM”.

L3

Owner’s Manual

Auto Audio System 1-96

“

” key: Press the key to enter the

mute status. The display shows “MUTE
ON”.

“

” key: disc ejection key: eject the

disc. At ACC or above position, in
POWER OFF, press and hold for 2
seconds to eject the disk. The display
shows “CD EJE”.

Audio System Operation Prompt

NOTICE

CD mode: indicates that the machine
is in CD play status.
Radio mode: indicates that the
machine is in radio status.
CD disk ejection key: Disk ejection
key is located on the host machine.
Only one disk can be inserted. Disk
ejection key is used to eject the disk.

NOTICE

To protect correct operation of audio
system:
1. Do not splash drink onto audio
system.
2. Do not insert anything other than

CD into disk mouth.
3. Mobile phone might affect speaker
in

operation.

As

a

normal

phenomenon, it will not affect use.

Audio/video remote control (if installed)

Use the switch on steering disc to adjust
audio system (if installed).

These dedicated switch, control and
function are described as below.

1. Volume control switch

2. “∨” and “∧” switch

3. “Mode” switch

Volume control switch

Press “+” to increase volume. Press and
hold it to continuously increase volume.

Press “-” to reduce volume. Press and
hold it to continuously reduce volume.

Channel control switch

Radio

Select preset radio stations:

Press and release “∨” or “∧” switch
quickly. Repeat once or more times to
select the next preset radio station.

Search for radio station

Press and hold “∨” or “∧” switch to
search for a radio station nearest to
current frequency and stop there.
Repeat once or more times to search for
the next radio station. If you press “∨”
or “∧” in search mode, search mode will
be cancelled.

L3

Owner’s Manual

Auto Audio System 1-97

Mode switch

Every time you press “mode” switch, the
system will change audio mode.

If you want to turn on audio system,
press “mode” switch.

If you want to turn off audio system,
press and hold “mode” switch.

Protect Your CD Player

●

Only 12 cm CD is applicable for CD
player.

●

Excessively high temperature will
cause abnormal work of CD. In
summer,

please

turn

on

air-conditioner when playing CD.

●

Bumpy road might cause sound
vibration of CD player.

●

Wet air might lead to the fact that
CD does not sound although it
seems to play normally.

WARNING

As a laser related product, CD head
generates radiation. Please correctly
operate CD player.

●

Please use the CD shown in above
figure only. The following CD might
not be played. In order to achieve
optimum sound quality, please use
high quality CD bearing audio
system mark.

Discs with special shapes

Transparent and translucent discs

L3

Owner’s Manual

Auto Audio System 1-98

Discs of poor quality

Discs with labels

NOTES

As shown in the above four pictures,
please do not use disc in special
shape, transparent or translucent
disc, bad quality disc or labeled disc.
These discs might damage CD player
or might be ejected by CD player.

●

Deal with CD with care, especially
when inserting CD into CD player.
Hold CD at it edge. Avoid leaving
finger print on it, especially on its
data storage side.

●

If disc is dirty, damaged or has other
fault, it might cause sound vibration
or segment repeat when playing it.

●

When you do not use CD, please
take it out from CD player. Store
CD in a CD box and keep it away
from greasy dirt, heat source and
direct sunshine.

To clean CD, use soft cloth wetted by
clean water to wipe CD surface carefully.
Then, use other dry soft cloth to wipe it
again. Do not use alcohol or other
detergent.

L3

Owner’s Manual

Auto Audio System 1-99

MP3 and WMA file

●

MP3 (MPEG Audio LAYER 3) is a
standard

audio

compression

format. A file in MP3 compression
format is 1/10 of its original size or
even smaller.

●

WMA (Windows Media TM Audio)
is an audio compression format
provided by Microsoft. Audio data
in the format is smaller than that in
MP3 format.

●

The audio system sets a limit on
MP3 and WMA file standard and
medium/format

recorded

in

compliance with the standard.

MP3 file compatibility

●

Compatibility standard

MP3

(MPEG-1,

MPEG-2,

MPEG-2.5)

●

Compatible sampling frequency

MPEG-1: 32, 44.1, 48 (kHz)

MPEG-2: 16, 22.05 (kHz)

MPEG-2.5: 11 (kHz)

●

Compatibility bit rate

MPEG-1: 64，80，96，112，128，
160，192，224，256，320(kbps)

MPEG-2: 40，48，56，64，80，96，
112，128，160(kbps)

MPEG-2.5: 32 ， 40 ， 48 ， 56 ，
64(kbps)

●

Compatible sound track: double
track and single track

MP3 file compatibility

●

Compatibility standard

WMA Ver.2，7，8

●

Compatible sampling frequency

44.1, 48 (kHz)

●

Compatibility bit rate

64，80，96，128，160，192 (kbps)

●

Compatible

track

mode:

compatible with double track play
only.

NOTES

To have your USB device read more
quickly, please store in USB device
songs in MP3 and WMA format only.

L3

Owner’s Manual

Auto Audio System 1-100

In-Car CD Trouble-shooting Guide

Fault

Fault cause analysis

Solution

1

No power or no sound

1. Ignition switch is not turned on

2. Electric wire is not connected
correctly.

1. Please turn key to ACC or ON

2. Examine whether connection line is
correct

2

Inserted CD has no sound

1. CD is placed upside down

2. CD gets dirty or severely scratched

1. Place CD in proper direction

2. Clean CD or replace new CD

3

Sound vibration caused by vibration

1. Installation is unsteady

2. CD gets dirty or scratched

1. Use installation part to install the
machine

2. Clean or replace CD

4

Preset radio station disappears and is
not remembered

Battery cable is not connected properly

Battery cable is connected to a usually
charged terminal

5

Much noise from FM stereo and single
track radio

Radio station is very distant and signal
is very weak

Select other radio station with stronger
signal

How to Use Multi-media Player

Refer to “User’s manual for L3 multi-media system”

L3

Owner’s Manual

Air Conditioning System 1-101

Chapter 1

Section 8

Operation of Instruments and Controllers

Air Conditioning System

Manual Controller of Air Conditioning System . . . . . . ... 1-102

Setting of Air Outlet Mode Selection Knob . . . . . . . . 1-103

Operating Essentials . . . . . . . . . . . . . . . ... 1-104

Left/Right Air Duct on the Instrument Panel . . . . . . . .. 1-106

Examine and Change Air Filter . . . . . . . . . . . . . 1-106

Rear Window Defrosting . . . . . . . . . . . . . . . 1-108

L3

Owner’s Manual

Air Conditioning System 1-102

Manual Controller of Air Conditioning System

1. Air supply mode selection knob

2. Fan rotation control knob

3. Temperature control knob

4. Air supply mode selection button

5. “A/C” button

L3

Owner’s Manual

Air Conditioning System 1-103

Setting of Air Outlet Mode Selection
Knob

Fan rotation control knob

Rotate the knob to adjust fan speed

—

Rotate clockwise to increase wind
speed. Rotate counterclockwise to
reduce wind speed.

Rotate the knob to 0 to turn off fan.

Temperature control knob

Rotate the knob to adjust temperature
— Rotate clockwise increase air supply
temperature. Rotate counterclockwise to
reduce air supply temperature.

If “A/C” button is not pressed, system air
supply will be room temperature wind or
hot wind.

Air supply selection knob

Turn the air supply selection knob to a
proper position.

Or adjust in detail in accordance with the
following air supply scheme.

1. Turn the knob to and air flow will
come to your upper body.

2. Turn the knob to and air flow will
come to your upper body and feet.

3. Turn the knob to and air flow will
mainly come to your feet.

4. Turn the knob to and air flow will
come to your feet and windshield glass
defroster will work.

L3

Owner’s Manual

Air Conditioning System 1-104

5. Turn the knob to and air flow will
come to windshield glass and side
window.

Air supply mode is of external circulation
mode.

Press “A/C” button to turn on air
conditioner to clean windshield glass
and side window quickly.

Air Supply Mode Selection Button

1. Internal cycle

—Recycle air in the

car.

2. External cycle

—Introduce external

air into the system.

When pressing internal/external cycle
button, the indicator (green) is turned on
and air supply mode is internal cycle;
Press it again, the indicator is turned off
and air supply mode is external cycle.

“A/C” button

To turn on air conditioner system
requires that firstly turn the fan rotation
speed control knob to non-

“0”,Then

press “A/C” button. At this time, indicator
on the button (green) is turned on. Press
“A/C” button again or rotate fan rotation
speed control knob to 0, the indicator is
turned off and air conditioner system is
turned off.

Operation Essentials

●

In order to cool a car parked under
hot sunshine, please lower car door

glass and drive for a few minutes.
Lift the glass after hot air is
discharged. In this way, hot air can
be discharged. Air conditioner will
cool the car soon.

●

Make sure that air inlet grid in the
front of the windshield glass is not
blocked (for example, by leaves or
snow).

●

In a damp day, do not blow cold air
onto windshield glass. Due to
temperature difference inside and
outside

windshield

glass,

windshield glass might get foggy.

●

Please keep downside of the front
seat ventilated to fully cycle air in
the car.

●

In a cold day, please keep rotation
speed of the air blower at high
rotation speed for one minute to
clear snow or dampness in air inlet.
In this way, car window fog will be
reduced.

●

When driving the car following other
the vehicles on a dusty road or

L3

Owner’s Manual

Air Conditioning System 1-105

driving in wind or dust, please set
the air supply mode as internal
cycle to shut off external air inlet
and prevent external air and dust
from entering the car.

Heating

For the optimistic effect, please set the
air conditioner to:

Air blower rotation speed

—non-0

shift
Temperature

—set a high temperature

(red zone)
Air supply

—external cycle (external

air)
Air flow

—

Air conditioner

—turn off

●

To increase temperature rapidly,
please use internal cycle for a few
minutes. To avoid fog on car
window, please select external
cycle air supply after temperature in
car rises.

●

For heating, please press “A/C”
button to decrease dampness in air
flow.

●

To defrost the windshield glass,
please select “

” air supply mode

to increase in-car temperature.

Air Conditioner

For the optimistic effect, please set the
air conditioner to:

Air blower rotation speed

—non-0 shift

Temperature

—set a low temperature

(blue zone)
Air supply

—external cycle (external

air)
Air flow

—

Air conditioner

—turn on

●

To decrease temperature rapidly,
please rotate the temperature knob
to the coldest level and keep the air
supply mode in internal cycle for a
few minutes.

Ventilation

For the optimistic effect, please set the
air conditioner to:

Air blower rotation speed

—Air speed

Temperature

—set a low temperature

(blue zone)
Air supply

—external cycle (external air)

Air flow

—

Air conditioner

—turn off

Defogging

—Internal side of windshield glass

For the optimistic effect, please set the
air conditioner to:

Air blower rotation speed

—non-0 shift

Temperature

—set a high temperature

(red zone) for heating
Set a low temperature (blue zone) for
cooling
Air supply

—external cycle (external

air)

Air flow

—

To keep a clear the front view requires to
rotate the air supply

knob to “” or “” to

turn on defogging function.

Please press “A/C” button for cooling or
heating. This will clear the front view
more quickly.

L3

Owner’s Manual

Air Conditioning System 1-106

● In a damp day, do not blow cold air

onto windshield glass. Due to
temperature difference inside and
outside windshield glass, windshield
glass might get more foggy.

Defrosting

—External side of windshield glass

For the optimistic effect, please set the
air conditioner to:

Air blower rotation speed

—non-0 shift

Temperature

—set a high temperature

(red zone)
Air supply

—external cycle (external

air)

Air flow

—

To keep a clear the front view requires to
rotate the air supply knob to “” or “” to
turn on defrosting function.

For heating, please press “A/C” button
to decrease dampness in air flow. This
will clear the front view more quickly.

● To defrost the windshield glass,

please select “” air supply mode to
increase in-car temperature.

Left/Right Air Duct on the Instrument
Panel

If air flow control is not enough, please
check left/right air duct, which might
have been opened or closed as shown
in the figure.

Examine and Change Air Filter

The information label for air filter is
attached inside illustrated glove box
to indicate that a filter has been
installed. (This part and filter label
picture to be deleted)

Air filter may prevent dust from entering
the car through air conditioner air duct.

L3

Owner’s Manual

Air Conditioning System 1-107

The air filter is located behind the
glove box.

The air filter which has been used for a
long time might be blocked. If air flow
of air conditioner drops dramatically,
or glass tends to generate fog in
external air supply mode, the air filter
needs to be changed.

To maintain air conditioner efficiency,
please examine and replace air filter in
accordance with maintenance plan.

1. Open the glove box and remove
one side of damper from below the
instrument panel.

2. Pull both sides of the glove box
upward in an oblique direction to
release bottom clip and remove the
glove box.

3. Remove the filter box off the filter
as shown in the figure.

4. Take out filter net from filter box.

5. Examine filter net surface.

If it becomes dirty, please replace it.

When installing the filter and the filter
box, please keep the arrow upward.

TIPS

The air filter should be installed in
place correctly. If you turn on the air
conditioner with air filter removed, it
will reduce dustproof function and air
conditioner performance.

L3

Owner’s Manual

Air Conditioning System 1-108

Reinstalling Glove Box

1. Press the glove box towards inside and
prepare the hook as shown in the figure.

2. Insert the latch into the damper hole.

3. Align the clip on both sides of the
glove box bottom with installation axle,
fix the clip to the installation axle
downward in an oblique way with force
and lock the buckle to close the glove
box.

Rear Window Defrosting

To defrost the rear window, please
press the button.

Power position must be at “ON” position.

The thin heater strip in the rear window
will clear glass surface quickly. While the
defroster works, the indicator will be
turned on.
Press the button again to turn off rear
window defroster.