Warning!
Table of Contents
THE CLARION OHM653 OVERHEAD VIDEO MONITOR IS
DESIGNED TO BE VIEWED BY REAR-SEA T OCCUPANTS
ONLY!
CLARION VIDEO PRODUCTS ARE NOT INTENDED FOR
VIEWING BY THE DRIVER WHILE THE VEHICLE IS IN MOTION.
SUCH USE MA Y DISTRACT THE DRIVER OR INTERFERE WITH
THE DRIVER’S SAFE OPERATION OF THE VEHICLE, AND
THUS RESULT IN SERIOUS INJUR Y OR DEATH. SUCH USE
MA Y ALSO VIOLATE ST A TE LAW .
CLARION DISCLAIMS ANY LIABILITY FOR ANY BODIL Y
INJURY, INCLUDING FATALITIES, OR PROPERTY DAMAGE
THAT MAY RESULT FROM ANY IMPROPER OR UNINTENDED USES OF THIS PRODUCT.
About Installation
Installation of mobile audio and video components requires
experience with a variety of mechanical and electrical procedures. Even though this manual provides general installation
and operation instructions for your new Clarion OHM653
Overhead Video Monitor, it does not show the exact installation methods for your particular vehicle.
If you do not have the required knowledge and experience to
successfully complete the installation, we strongly recommend
consulting an authorized Clarion dealer about professional
installation options.
1. Introduction .................................................................... 2
2. Care and Maintenance ..................................................3
3. Using the OHM653 ..........................................................3
5. The Remote Control .......................................................5
6. Installation and Wiring ................................................... 7
7. Troubleshooting ...........................................................15
8. Specifications ...............................................................15
9. Limited Warranty Information ..................................... 16
OHM 653 122302.p65 12/23/02, 10:40 PM1
1. INTRODUCTION
The Clarion OHM653 is a high-performance video monitor
designed specifically for the mobile environment. It is
intended for use with other Clarion multimedia products, and
can also be integrated with many other products as part of a
complete mobile video solution. With two video inputs, the
OHM653 can support simultaneous connection to both
dedicated video source units and optional audio/video
components such as camcorders or videogames. The
infrared remote control receiver output allows integration with
select Clarion DVD and VHS source units.
The OHM653 automatically switches to operate with either
NTSC or PAL video signals (NTSC is the standard North
American video format).
The 16:9 aspect ratio screen allows DVD films to be viewed
in their original aspect ratio for the best cinematic experience.
Note:
• The OHM653 is designed to be a component in a full audio/video
system. If you have any questions about compatible components,
such as system controllers, source units, FM modulators, or
other audio/video products, please contact your authorized
Clarion dealer.
What is included with the OHM653
• The OHM653 overhead monitor unit
• The wiring harnesses
• A mounting bracket
• A soft trim ring
• Owner’s Manual / Installation Guide
FCC Approval
This equipment has been tested and found to comply with the
limits for a Class B digital device, pursuant to Part 15 of the
FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential
installation. This equipment generates, uses, and can radiate
radio frequency energy and, if not installed and used in
accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee
that interference will not occur in a particular installation. If this
equipment does cause harmful interference to radio or
television reception, which can be determined by turning the
equipment off and on, the user is encouraged to consult the
dealer or an experienced radio/TV technician for help.
2 OHM653
OHM 653 122302.p65 12/23/02, 10:40 PM2
2. CARE AND MAINTENANCE
4. USING THE OHM653
Liquids and the OHM653
Keep all liquids, including beverages and cleaning liquids,
away from the OHM653. Liquids inside the monitor can
damage the electronics, and result in electrical shock or fire.
If the unit should become wet, turn off all power and contact
an authorized Clarion dealer to have the monitor inspected.
Servicing the OHM653
In the event that trouble arises, never open the case or
disassemble the unit. The internal parts are not serviceable
by the user. Opening any components will void the warranty.
CAUTION!
Changes or modifications to this product not
approved by the manufacturer will void the
warranty and will violate FCC approval.
In order to operate the OHM653, the vehicle ignition key
switch must be in the ACC or RUN position.
ACC or engine
ON position
WARNING!
To prevent the battery from going dead,
operate this unit with the engine
running, if possible.
Deploying the fold-down monitor
1 Slide the release latch in the direction of the arrow on the
latch. The monitor will deploy about one inch.
Release
Latch
OHM 653 122302.p65 12/23/02, 10:40 PM3
OHM653 3
2 Pull the monitor down into the viewing position. Grasp the
monitor by the edges - do not press on the screen.
Dome Light Switch Positions:
On - ON, left position
Door-controlled - Center position
Off - OFF, right position
Dome
Light
Sliding
Switch
Dome lights
Using the dome lights
The OHM653 has built-in dome lights which may replace the
original ceiling-mounted lights in some installations. These
lights illuminate when the doors are open and go out when
the doors are closed (some vehicles have domelight-delay
systems that keep the light illuminated for a few seconds
after the doors are closed). The OHM653’s lights may be
manually turned on and off with a sliding switch built into the
monitor.
WARNING!
To prevent the battery from going dead,
do not leave the dome light switch in the
ON position for long periods of time
without the engine running.
4 OHM653
OHM 653 122302.p65 12/23/02, 10:41 PM4
Optional Infrared Wireless Headphones
The OHM653 has a built-in infrared audio transmitter to
accomodate optional wireless headphones. These are
available from your authorized Clarion dealer (P/N WH100).
Using the Remote Control
The OHM653 comes with a remote control (P/N
RCBOHM653) that is required for basic operation of the
monitor. The OHM653 also supports the remote controls of
selected optional Clarion multimedia source units. This
allows the user to control the source unit with the source unit
remote, even if the source unit is mounted out of sight in a
trunk or under a seat.
Note:
• The OHM653 remote is always required to control the monitor source unit remote controls do not operate the OHM653.
To use remote controls with the OHM653, point the remote at
the face of the deployed screen when pressing the buttons.
POWER
WIDE/NORMAL
ADJUST DOWN
POWER
WIDE/NORMAL
PICTURE
SELECT
OHM-653
AV1/AV2
SOURCE
PICTURE
ADJUST UP
The RCBOHM653 Remote Control
Before use, the 2 (AAA) batteries included must be inserted
into the remote control. Make certain that the batteries are
inserted according to the (+) and (-) marks on the inside of
the battery compartment.
Slide the battery door off and insert the batteries as shown.
+
-
-
+
+
-
Notes:
• The batteries should last about 6 months in normal use. Remove
leaking batteries immediately. Store the remote in a cool dark
place when not in use.
OHM 653 122302.p65 12/23/02, 10:41 PM5
-
+
The [POWER] button turns the OHM653 on and off.
Notes:
• Even after the OHM653 is switched on, the screen remains dark
until a video signal is detected.
• When the ignition switch is turned off, the OHM653 automatically
shuts off. The next time the ignition switch is turned on, the
OHM653 will remain off until the [POWER] button is pressed.
The [SOURCE] button selects between the two sets of audio/
video inputs of the OHM653.
Note:
• If only one of the inputs is used, the screen will remain dark when
the unused input is selected.
OHM653 5
The [WIDE/ NORMAL] button changes the display mode from
“wide” 16:9 mode to “normal” 4:3 mode.
Change the value of each setting by pressing the [+] and [
buttons. Each setting has 42 steps of adjustment range.
-]
4:3
16:9
Note:
• When using a DVD player as the source unit, make sure that the
DVD player’s output mode is set to “Wide” or “16:9”, so that it will
generate a video signal that can take advantage of the OHM653’s
aspect ratio. When using this display with sources that generate
a “normal”, 4:3 image signal, such as videogames and videocassette players, the [WIDE/NORMAL] button will “stretch” the
image to fit the screen. In this case, some minor image distortion
may be visible.
The [PICTURE] button accesses the display adjustment
menus. Each time this button is pressed, the unit will step to
the next setting mode, and the screen will display the value of
the selected setting. These adjustment settings are:
Brightness
Contrast
Color
Tint
Mem Reset (resets above to original values)
6 OHM653
BRIGHTNESS
TINT
COLOR
MEM RESET
CONTRAST
Notes:
• When the “MEM RESET” option is displayed on the screen,
pressing either the [+] or [-] buttons will reset all settings to
their original factory values. If you do not wish to reset the
settings, either press the [PICTURE] button again, or wait for the
monitor to exit the picture adjustment mode automatically.
• If the “MEM RESET” option is used and the OHM653 is set to
Source 2, the monitor will revert to the default setting of Source 1.
If there is no active input on Source 1, the screen may go dark. If
this happens, press the [SOURCE] button to switch the monitor
back to Source 2.
OHM 653 122302.p65 12/23/02, 10:42 PM6
6. INST ALLATION AND WIRING
1. Before Starting
Read these instructions and the following precautions
carefully.
WARNING!
Be sure to disconnect the battery (-)
terminal before starting. This is to
prevent short circuits during installation.
Precautions
• This unit is exclusively for cars with a negative ground, 12V
power supply.
• Do not open the case. There are no user-serviceable parts
inside. If you require asistance, consult your Clarion dealer
or an authorized Clarion service center.
• Use a soft, dry cloth to clean the screen. Never use a
rough cloth, thinner, benzene, alcohol, or other solvent. The
screen surface is easy to scratch - do not rub when cleaning.
2. Package Contents
1 OHM653 overhead monitor unit
2 Soft trim ring
3 Mounting bracket
4 Wiring harnesses
5 Remote control
6 Owner’s Manual / Installation Guide
3. Installation Requirements
WARNING!
Never install this monitor where it is
visible from the driver’s seat, or where it
could injure any vehicle occupant in
case of an accident. Ensure that your
installation does not create risk of headstrike injury, and that the monitor will
remain securely mounted in the case of
an accident or sudden maneuver.
OHM 653 122302.p65 12/23/02, 10:42 PM7
OHM653 7
4. Installing the OHM653
Prepare the vehicle for installation by carefully removing
vehicle interior trim panels as necessary. Route wire harnesses away from sharp edges, and ensure that no harnesses will be pinched or pierced during reassembly.
Temporarily remove the OHM653 dome light lenses and
bulbs, so that the rear mounting screws can be accessed.
Note:
• The wiring of the OHM653 must be completed, and the wiring
harness plugged in, prior to the final installation of the monitor
into the ceiling. However, since some vehicles will require
custom work or other modifications, this manual discusses
physical installation first. Always complete your wiring before
final assembly of the monitor into the ceiling of the vehicle.
Selecting the Monitor Location
Location of the overhead monitor varies by vehicle, but is
typically on the center line of the vehicle and just aft of the front
seats, often displacing the factory dome light. Always install
the overhead console to the existing roof cross beams.
Before you begin installation of the overhead console, remove
the vehicle dome light and partially drop the headliner to verify
that you have sufficient clearance and access to a roof beam.
Note:
• In many vehicles, the OHM653 will displace the original dome
light - for this reason, the OHM653 has dome lights built in which
can replace the original lights.
WARNING!
Never install any overhead monitor
such as to create a potential head strike
danger for the vehicle occupants. Avoid
mounting it too far forward in the vehicle
- always ensure that the front-seat
occupants cannot hit their heads on a
monitor when it is deployed.
The Installation Process
WARNING!
Make sure that the screws you use to
mount the bracket, monitor, or optional
spacer are not too long! If the screws
are too long, they could damage the roof
of the vehicle. Take great care when
planning this part of the installation.
1. Remove the vehicle dome light and the trim on the
outer edges of the headliner. Determine the location
of the roof beam(s), which will help you determine
the monitor location. Ensure that the installation
can be successfuly completed before continuing!
8 OHM653
OHM 653 122302.p65 12/23/02, 10:42 PM8
2. Determine if the mounting bracket can be attached to the
roof beam through the dome light opening in the headliner. This depends on the amount of space between the
headliner and the roof beam.
3. A mounting spacer may be used to strengthen the
installation and to take up any gap between the headliner
and the roof beam. Screw the spacer to the roof beam,
and screw the bracket to the spacer.
Exploded view - mounting through dome light opening
Front of vehicle
Roof Beam
Screws
Opening in headliner for dome light
Headliner
Mounting
Bracket
Overhead Monitor
Screws
Roof
Note:
• If there is too much space between the roof beam and the
headliner, the headliner could crush and wrinkle when the
monitor and bracket are assembled. Verify all clearances to
prevent damage to the vehicle or the interior trim!
Exploded view - mounting using a spacer:
Front of vehicle
Roof Beam
Optional Spacer Material
(Installer Provided)
Opening in headliner for dome light
Screws
Screws
Roof
Headliner
Mounting
Bracket
Overhead Monitor
Screws
OHM653 9
OHM 653 122302.p65 12/23/02, 10:42 PM9
4. In some installations, the vehicle headliner must
Vehicle Roof
Headliner
Mounting screws
Optional spacer
Mounting
bracket
above
monitor
Soft
trim
ring
modified, and the bracket must be sandwiched between
the headliner and the roof. If the headliner must be
modified, ensure that the opening will be smaller than
the footprint of the OHM653. If modifying the headliner,
cut the headliner using a knife with a sharp blade.
Exploded view - mounting w/bracket above headliner:
Front of vehicle
Roof Beam
Optional Spacer Material
(Installer Provided)
Roof
5. When you have determined the type of installation you will
be performing and made any needed modifications,
install the wiring harnesses as needed and plug them
into the monitor. Deploy the monitor to access the front
two screw openings, and remove the dome light lenses
and bulbs to access the rear two openings. Install the
monitor into the vehicle. Hand-tighten the screws - do
not overtighten!
Enlarged
opening
in headliner
10 OHM653
OHM 653 122302.p65 12/23/02, 10:42 PM10
Screws
Screws
Bracket
Overhead Monitor
Screws
Headliner
WARNING!
Make sure that the screws you use to
mount the bracket, monitor, or optional
spacer are not too long! If the screws
are too long, they could damage the roof
of the vehicle.
5. Wiring the OHM653
The following pages display wiring diagrams for various
OHM653 configurations.
OHM653 wiring harnesses:
Read the following precautions before wiring your system.
• Disconnect the negative battery terminal before making
any wiring connections.
• Be particularly careful where you route wires. Keep them
away from the engine, exhaust system, etc. Heat may
damage wires. Sharp edges can pierce wire insulation
and cable jackets, causing short circuits, damage to the
vehicle, blown fuses, and system failure.
• If the fuse should blow, make sure all connections are
correct and no wires are damaged before replacing the
fuse. Always use fuses that are the same amperage value
as the original. When replacing a fuse, never let the battery
side touch any metal part or any other wire.
DIN Connector pin assignments
Pin Description
1 DC 12V (+) ACC
2 Infrared receiver signal
3 DC Ground (-)
4 Video signal in
5 A/V signal ground
6 Audio R signal in
7 Not used
8 Audio L signal in
2
1
4
7
3
6
8
5
Audio input 1
(for IR
headphone
transmitter)
Video
input 1
IR output
Video
input 2
Audio input 2
(for IR
headphone
transmitter)
DIN cable 1
DIN cable 2
IR output
Black Ground
Note:
• For dome light wiring connections, see page 14.
Red
+12V
Accessory
OHM653 11
OHM 653 122302.p65 12/23/02, 10:42 PM11
OHM653 with VS735 DVD
Audio input 1
(for IR
headphone
transmitter)
12 OHM653
OHM 653 122302.p65 12/23/02, 10:42 PM12
Video
input 1
IR output
DIN cable 1
OPEN
DVD
VCD
POWER
MP3
VS 735 DVD
DIN cable 1
DIN
cable
2
REMAIN
B
DOLBY
A
SCN
REPEAT
ANGLE
TITLE
TRK
DIGITAL
CHP
RDM
CD
L/R
Black Ground
Red
+12V
Accessory
OHM653 with VS735 DVD and VDH910 VCP
Video
Audio input 1
(for IR
input 1
OPEN
headphone
transmitter)
IR output
OHM 653 122302.p65 12/23/02, 10:42 PM13
DVD
VCD
POWER
CD
MP3
VS 735 DVD
SCN
RDM
L/R
A
REPEAT
TITLE
CHP
DIN cable 1
REMAIN
B
DOLBY
ANGLE
TRK
DIGITAL
Audio input 2
(for IR
headphone
transmitter)
Video
input 2
IR output
DIN cable 2
VDH 910 VCP
DIN cable 1
DIN
cable
2
Black Ground
OHM653 13
Red
+12V
Accessory
Dome Light Wiring Connections:
Negative-trigger dome light system:
Positive-trigger dome light system:
(-) Output from door jamb
pin switch, OR
(-) output from vehicle
domelight control system
(-) Ground
Original
Factory
Domelight
Bulb
Domelight
connector
Negative-trigger OHM 653 dome light wiring:
(-) Output from door jamb
pin switch, OR
(-) output from vehicle
domelight control system
(-) Ground
White wire,
OHM 653
Original
Factory
Domelight
Bulb
Gray wire,
OHM 653
(-) Ground
Domelight
connector
Brown wire,
OHM 653
14 OHM653
12V (+) to Bulb
from fuse box
OR
vehicle domelight
control system
12V (+) to Bulb
from fuse box
OR
vehicle domelight
control system
12V (+) switched output when door
is open (output is either from the
door pin switch OR the vehicle
domelight control system).
12V (+)
Constant
Original
Factory
Domelight
Bulb
Domelight
connector
(-) Constant ground, OR
output from vehicle domelight
control system
(-) Ground
Positive-trigger OHM 653 dome light wiring:
12V (+) switched output when door
is open (output is either from the
door pin switch OR the vehicle
domelight control system).
12V (+)
Constant
White wire,
OHM 653
Original
Factory
Domelight
Bulb
Gray wire,
OHM 653
Domelight
connector
Brown wire,
OHM 653
(-) Constant ground, OR
output from vehicle domelight
control system
(-) Ground
OHM 653 122302.p65 12/23/02, 10:50 PM14
6. TROUBLESHOOTING
7. SPECIFICA TIONS
No picture.
Press the [POWER] and [SOURCE] buttons to make sure the
monitor is on and the proper input is selected.
If there is still no picture, press the [PICTURE ] button. If the
menu appears, check the source unit and video connections.
If no menu appears, check all fuses and power connections
to the OHM653 and the associated equipment.
Note:
•
The OHM653 has an operating temperature range of
o
C to 40o C (41o F to 104o F). If the temperature is outside
5
this operating range, the unit will not turn on, or the screen
may be slow to react to image changes. The monitor will
function normally once it returns to its proper operating
temperature range.
With a DVD player and a widescreen DVD disc, there are
black bars on the screen.
Change the TV display mode to “Wide” in the DVD player’s
Setup menu.
After changing this setting, if there are still black bars, press
the [WIDE/NORMAL] button on the OHM653 remote control.
Supply voltage: 12V DC (9V-16V)
Test voltage: 12V, negative ground
Current consumption: Less than 800 milliAmps
Operating Temperature: 5o C to 40o C (41o F to 104o F)
Signal system: NTSC and PAL composite video 1.0V p-p
Screen: 6.5” diagonal, 144.4mm x 80.3 mm.
Resolution: 1200 x 280 (280,000 pixels)
Weight: 2.2 lb, 1.0 kg
Note:
• The technical data and the design of the equipment may change
for the sake of technical improvements without prior notice.
OHM 653 122302.p65 12/23/02, 10:42 PM15
OHM653 15
LIMITED WARRANTY INFORMATION
For USA and Canada only
This product is warranted against all defects in material workmanship
for a period of one year from the date of original purchase. Clarion
ProAudio products, except for speakers, are covered by a two year
limited warranty when installed by an authorized Clarion dealer. The
conditions of this limited warranty and the extent of responsibility of
Clarion Corporation of America (“Clarion”) under this limited warranty
are as follows:
1. PROOF OF DATE OF PURCHASE WILL BE REQUIRED FOR
WARRANTY SERVICE OF THIS PRODUCT. IN THE CASE OF THE
TWO (2) YEAR LIMITED WARRANTY FOR CLARION PROAUDIO
PRODUCT, PROOF OF INSTALLATION BY AN AUTHORIZED
DEALER IS REQUIRED. INFORMATION ABOUT CLARION
AUTHORIZED WARRANTY SERVICE CENTERS MAY BE OBTAINED
BY CONTACTING CLARION AT THE ADDRESS BELOW.
2. This limited warranty will become void if service performed by
anyone other than an approved Clarion Warranty Service Center
results in damage to the product.
3. This limited warranty does not apply to any product which has
been subject to misuse, neglect or accident, or which has had the
serial number altered, defaced or removed, or which has been
connected, installed, adjusted or repaired, other than in
accordance with the instructions furnished by Clarion.
4. This limited warranty does not cover car static or other electrical
interferences, tape head or laser pick-up cleaning or adjustments,
or labor costs for the removal or reinstallation of the unit for repair.
5. The sole responsibility of Clarion under this limited warranty shall
be limited to the repair of the product or replacement of the
product, at the sole discretion of Clarion.
6. Product must be shipped in its original carton or equivalent carton,
fully insured, with shipping charges prepaid. Clarion will not
assume any responsibility for any loss or damage incurred in
shipping.
7. ALL IMPLIED WARRANTIES EXCEPT TO THE EXTENT PROHIBITED
BY APPLICABLE LAW SHALL HAVE NO GREATER DURATION
THAN THE WARRANTY PERIOD SET FORTH ABOVE. UNDER NO
CIRCUMSTANCES SHALL CLARION BE LIABLE FOR ANY LOSS OR
DAMAGE, DIRECT OR CONSEQUENTIAL, ARISING OUT OF THE
USE OR INABILITY TO USE THE PRODUCT. BECAUSE SOME
STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED
WARRANTY LASTS OR EXCLUSIONS OR LIMITATIONS OF
INCIDENTAL OR CONSEQUENTIAL DAMAGES, THE ABOVE
LIMITATIONS OR EXCLUSIONS MAY NOT APPLY TO YOU.
8. THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS,
AND YOU MAY ALSO HAVE OTHER RIGHTS WHICH VARY FROM
STATE TO STATE.
9. Should you have any difficulties with the performance of this
product during the warranty period, please call or visit our web
site (www.clarion.com) for a listing of Authorized Warranty
Service Centers in your area. You may also contact Clarion at the
address listed below.
In USA:
Clarion Corporation of America
Attn: Customer Service Manager
661 W. Redondo Beach Blvd
Gardena, CA. 90247-4201
1-800-GO-CLARION
(310)327-9100
www.clarion.com
In Canada:
Clarion Canada, Inc.
Warranty Service Center
2239 Winston Park Drive
Oakville, Ontario L6H 5R1
(905)829-4600
www.clarioncanada.com
16 OHM653
OHM 653 122302.p65 12/23/02, 10:42 PM16
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