Installation and Operation Manual
Switcher
ARHD41
WARNING
To reduce the risk of fire or electric shock, do not expose this product to rain
or moisture. The apparatus shall not be exposed to dripping or splashing. No
objects filled with liquids, such as vases, shall be placed on the apparatus.
This symbol indicates "dangerous voltage" inside the product that
presents a risk of electric shock or personal injury.
This symbol indicates important instructions accompanying the product.
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
Caution: To reduce the risk of electric shock, do not
remove cover (or back). No user serviceable parts inside.
Refer servicing to qualified service personnel.
Important Safety Instructions
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Do not use this apparatus near water.
6. Clean only with dry cloth.
7. Do not block any ventilation openings. Install in accordance with the
manufacturer’s instructions.
8. Do not install near any heat sources such as radiators, heat registers, stoves, or
other apparatus (including amplifiers) that produce heat.
9. Protect the power cord from being walked on or pinched particularly at plugs,
convenience receptacles, and the point where they exit from the apparatus.
10. Unplug this apparatus during lightning storms or when unused for long
periods of time.
11. Refer all servicing to qualified service personnel. Servicing is required when
the apparatus has been damaged in any way, such as power-supply cord
or plug is damaged, liquid has been spilled or objects have fallen into the
apparatus, the apparatus has been exposed to rain or moisture, does not
operate normally, or has been dropped.
Caution: The power supply cord is used as the main disconnect device. Ensure that
the socket-outlet is located/installed near the equipment and is easily accessible.
Caution: To prevent electric shock, match the wide blade of the plug to the wide
slot of the electrical outlet and fully insert.
FCC Regulations state that unauthorized changes or modifications to this
equipment may void the user’s authority to operate it.
Important information
CAUTION
See marking on back/bottom of product.
Specifications and features are subject to change without notice. Product may vary
from that shown.
Important information
Notice to Users
The system may cause interference to a TV or radio even when it is operating
properly. To determine whether the system is causing the interference, turn it off. If
the interference goes away, the system is causing the interference.
NOTE: 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 deter-mined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following
measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which
the receiver is needed.
• Contact your dealer for help.
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two Conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may
cause undesired operation.
HDMI, the HDMI logo and High-Definition Multimedia Interface are trademarks or
registered trademarks of HDMI Licensing LLC.
4
HDMI Switcher
Thank you for choosing the ARHD41 HDMI Switcher. Please read this user’s
guide carefully before use.
What’s in the box
HDMI Switcher ARHD41
Power Adapter
IR Remote Control
User’s Guide
Key features
• Switches easily between four HDMI sources
• Improves the quality of the HDMI signal, maintaining the uncompressed
high-quality audio and video
• Supports the following resolutions: 480p, 720p, 1080i, and 1080p
• Compatible with PC specifications: VGA, SVGA, XGA, SXGA and UXGA
• Easy Plug ’n Play, no need to install any software
• Supports long transmission demands
Specifications
Data Bandwidth 1.65 Gbps
Format Supported VGA/SVGA/XGA/SXGA/UXGA
480p 720p 1080i 1080p
Frequency 60Hz
Inputs HDMI Type A (19p) ×4
Power adapter ×1
Output HDMI Type A (19p) ×1
Control Manual /Remote control
Power DC 5V 2A
Size 16.9” (W) x 8.7” (D) x 1.6” (H)
Weight 4.6 lbs
Note: Thomson Inc. reserves the right to make changes in the hardware, packaging and any accompanying documentation
without prior written notice.
5
HDMI Switcher
Connecting to electronic components
1. Connect an HDMI cable from the signal source (for example, a DVD player or
high definition receiver) to one of the HDMI INPUT jacks on the switcher’s
back panel.
2. Connect an HDMI cable from the display (for example, an HDTV or
projector) to the HDMI OUTPUT jack on the switcher’s back panel.
3. Connect the small end of the DC 5V power adapter to the DC5V jack on the
switcher’s back panel. Plug the other end of the adapter into an AC outlet.
4. Press the ON/OFF button on the switcher’s front panel to turn the switcher on.
5. Turn on the devices you connected to the switcher—your display and the signal
source.
Switching between inputs
To switch between HDMI signal sources, press the SELECTION button on the
panel or one of the number buttons on the remote control.
Front panel
Back panel
ON/OFF BUTTON
SELECTION BUTTON
HDMI INPUT INDICATORS
IR SENSOR
POWER INDICATOR
STATUS INDICATOR
HDMI OUTPUT JACK HDMI INPUT JACKS
MAINS POWER SWITCH
DC/5V JACK
RS-232C JACK
6
HDMI Switcher
Troubleshooting
Under normal operation, the blue power indicator is on and the green indicator
shows the active input. If the switcher is not working properly, please see check the
Troubleshooting table below for a solution.
Blue light Red light Status Solution
On Normal
On On An inactive input is selected Select an active input
On On Incorrect connection between the
input and the output.
Make sure that the connection
is correct.
On On
The power of the signal source
end is off.
Turn on the power of the signal
source end.
The switcher’s power is off. Turn on the power.
On Flickering The display isn’t turned on. Turn the display on.
On Flickering Exceeded the output supported
length, 20m
Add a repeater.
RS-232C interface information
RS-232 Pin Assignment:
• Pin 2: TxD
• Pin 3: RxD
• Pin 5: Ground
Binary Table:
Input Binary
1 0101 0001
2 0101 0010
3 0101 0011
4 0101 0100
Terminal Settings:
Bits per second .............................9600
Data bits .............................................8
Stop bits ..............................................1
Parity ............................................ None
Flow Control ............................... None
7
HDMI Switcher
LIMITED FIVE YEAR WARRANTY
Our company (in the U.S. THOMSON INC./ in Canada, Thomson multimedia Ltd.)
warrants that for 5 years from date of purchase, it will replace this product if found to be
defective in materials and workmanship. For a prompt, no charge replacement of a current
equivalent product, return the defective product postage prepaid to the appropriate address.
In the U.S. Product Exchange Center 11721 Alameda Ave., Socorro, TX 79927. In Canada
Thomson multimedia Ltd. 6200 Edwards Boulevard Mississauga Ontario Canada L5T
2V7. This replacement is THOMSON INC’s/Thomson multimedia Ltd. sole obligation
under this warranty. THOMSON INC/Thomson multimedia Ltd. will not be responsible
for any incidental or consequential damages or for loss arising in connection with the use or
inability to use the product. Some states/provinces do not allow the exclusion or limitation
of incidental or consequential damages, so the above limitation or exclusion may not apply
to you. This warranty excludes defects or damage due to misuse, abuse or neglect. This
warranty gives you specific legal rights, and may also have other rights, which vary from
state to state/province to province.
THIS WARRANTY DOES NOT APPLY TO ANY PRODUCT OR PART THEREOF
WHICH HAS BEEN DAMAGED THROUGH ALTERATION, MISHANDLING,
MISUSE, NEGLECT OR ACCIDENT. THIS WARRANTY IS IN LIEU OF ALL
OTHER WARRANTIES, EXPRESSED OR IMPLIED, AND NO PERSONS OR
REPRESENTATIVE IS AUTHORIZED TO ASSUME FOR THE COMPANY ANY
OTHER LIABILITY IN CONNECTION WITH THE SALE OF THIS PRODUCT.
SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED
WARRANTY LASTS OR THE EXCLUSION OR LIMITATIONS OF INCIDENTAL
OR CONSEQUENTIAL DAMAGE SO THE ABOVE LIMITATIONS OR
EXCLUSIONS MAY NOT APPLY TO YOU.
This warranty gives you specific legal rights and you may also have other rights which vary
from state to state.
Thomson Inc.
10330 North Meridian Street
Indianapolis, IN 46290
© 2006 Thomson Inc.
Trademark(s) Registered
Marca(s) Registrada(s)
Printed in China
ARHD41_IB_00
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