OPPO Digital HM-31 ユーザーズマニュアル

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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 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. 
 
FCC Statement 
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. 
 
 
INTRODUCTION 
The OPPO HM-31 Advanced 3x1 HDMI
 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. 
Features 
• 
Easy and convenient selection from up to three HDMI sources 
• 
HDMI 1.3 specification with DDC
 and HPD
 switching 
• 
Supports 1080p, Deep Color
, and all HDTV resolutions 
• 
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. 
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.