OPPO Digital HM-31 User Manual
®
HM-31
ADVANCED
3x1 HDMI SWITCH
USER MANUAL
READ CAREFULL Y
BEFORE OPERATION
Important Information
CAUTION
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION: TO PREVENT ELECTRICAL SHOCK, DO NOT REMOVE THE COVER.
NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
WARNING: TO PREVENT DAMAGE WHICH MAY RESULT IN FIRE OR SH OCK
HAZARD, DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE.
The lightning flash with arrowhead symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated “dangerous
voltage” within the product's enclosure that may be of sufficient magnitude
to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to alert the
user to the presence of important operation and maintenance (servicing)
instruction in the literature accompanying the appliance.
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) Do not defeat the safety purpose of the polarized or grounding-type
plug. A polarized plug has two blades with one wider than the other. A
grounding type plug has two blades and a third grounding prong. The
wide blade or the third prong is provided for your safety. If the provided
plug does not fit into your outlet, consult an electrician for replacement
of the obsolete outlet.
10) Protect the power cord from being walked on or pinched, particularly at
plug, receptacle, and the point where it exits from the apparatus.
11) Only use attachments/accessories specified by the manufacturer.
12) Use only with the cart, stand, tripod, bracket, or table
specified by the manufacturer, or sold with the
apparatus. When a cart is used, use caution when
moving the cart/apparatus combination to avoid injury
from tip-over.
13) Unplug this apparatus during lightning storms or when
1
IMPORTANT INFORMATION
unused for long periods of time.
14) Refer all servicing to qualified service personnel. Servicing is required
when the apparatus has been damaged in any way, such as powersupply 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.
FCC Statement
INTRODUCTION
The OPPO HM-31 Advanced 3x1 HDMI1 Switch enables up to three HDMI source
devices (DVD player, cable box, game console, etc.) to be connected to a single HDMI
input port on your HDTV or video projector. It can also be used to expand the number
of HDMI input ports on a HDMI-equipped audio/video receiver. It is an easy and
convenient solution to expand your home theater system.
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 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 connected.
• Consult the dealer or an experienced radio/TV technician for help.
Any unauthorized changes or modifications to this equipment would void the user’s
authority to operate this device.
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, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
Trademarks
• HDMI, the HDMI logo and High-Definition Multimedia Interface are
trademarks or registered trademarks of HDMI Licensing LLC.
• All other trademarks are the properties of their respective owners.
Features
• Easy and convenient selection from up to three HDMI sources
• HDMI 1.3 specification with DDC2 and HPD3 switching
• Supports 1080p, Deep Color
• EIA/CEA-861D, DVI 1.0, HDCP 1.1 compliant
• Long cable support with built-in equalizer
• Maintains highest video and audio quality
• Remote control
• Custom installation options – external IR input and RS-232C port
1
HDMI: High-Definition Multimedia Interface. A standard for connecting consumer
electronic devices to deliver high definition digital video, audio and data.
2
DDC: Display Data Channel. A part of HDMI and DVI signal channel essential for proper
operation.
4
, and all HDTV resolutions
2
3
HPD: Hot-Plug Detection. A part of HDMI signal channel essential for proper detection
of HDMI devices.
4
Deep Color: Part of the HDMI 1.3 specification. Supports 12-bit per color or 36-bit per
pixel, and results in richer color and smoother picture.
3
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