Clarion OHMD74 Owners And Installation Manual
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Clarion OHMD74 Owners And Installation Manual

Clarion OHMD74 Owners And Installation Manual

7" wide screen flip down monitor with built-in dvd player
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OHMD74 Final Manual.qxd
6/17/2004
5:32 PM
Page 1

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Summary of Contents for Clarion OHMD74

  • Page 1 OHMD74 Final Manual.qxd 6/17/2004 5:32 PM Page 1...

  • Page 2: Introduction And Precautions

    The Clarion OHMD74 overhead monitor system is designed strictly for rear-seat entertainment. Viewing the monitor while operating a motor vehicle can result in serious injury and/or property damage. Clarion is not responsible for any injury and/or property damage as a result of the improper use or viewing of the monitor.
  • Page 3 A/V switcher allowing for multiple A/V sources to be added. Included with the OHMD74, is a Game Port Station, which also can be used for a temporary device, such as a camcorder or game station, to be enjoyed in the vehicle.

  • Page 4: Fcc Approval

    Page 4 FCC Approval The Clarion OHMD74 have been tested and found to comply within the limits of a Class B digital device, pursuant of Part 15 of the FCC rules. These limitations are designed to provide reasonable protection against harmful interference in a vehicle installation.

  • Page 5: Table Of Contents

    Care and Maintenance ....6-8 Operating OHMD74 Monitor ... . . 9-16 About Disc Formats ....17-18 Operating the Remote Control .

  • Page 6: Care And Maintenance

    Keep all liquids away from the OHMD74 overhead monitor system. Liquids inside the monitor will damage the electronics, and can result in electrical shock or fire. In the event that the unit should become wet, turn off the power and contact a local Clarion dealer for assistance.

  • Page 7: Handling Discs

    Clarion dealer for assistance. The internal parts are not serviceable by the user. The OHMD74 is a Class 1 Laser product, using a laser which could cause hazardous radiation exposure if improperly disassembled.

  • Page 8: Temperature And Moisture

    If you still experience problems with playback, you will need to wait for approximately one hour to allow the OHMD74 to warm up, and for the condensation to evaporate. If playback issues continue, please see your authorized Clarion dealer.

  • Page 9: Disc Playback

    There are two ways to stop playback: Pressing [ ] once will stop playback, and the OHMD74 will store the location last played on the disc. Playback can be resumed at the same point on the disc by pressing [ ].

  • Page 10: Dvd Regions

    6/17/2004 5:33 PM Page 10 Discs Incompatible with OHMD74 The following disc types are incompatible with the OHMD74: • DVD-ROM/ DVD-R/DVD-RW/DVD-RAM • Photo CD/CD-RW • CD-ROM(excluding most CD-Recordable discs using MP3 or CD-A Formats) • Any DVD with a region number other than “1” and “ALL”...
  • Page 11 OHMD74 Final Manual.qxd 6/17/2004 Searching During Playback Press [ ] and [ ] during playback to rapidly search for a particular section of a DVD or CD. Each time a fast-search button is pressed, the speed of the fast search...
  • Page 12 OHMD74 Final Manual.qxd 6/17/2004 Monitor Control Panel Layout Power Button Switches the OHMD74 ON/OFF. Play/Pause Button Begins and pauses playback Stop Button Press to stop playback Rewind Button Use for high speed search within a chapter or track. Moves the cursor left and right within the menu.
  • Page 13 OHMD74 Final Manual.qxd 6/17/2004 10. + Button Selects the items to be adjusted 11. FM ON/OFF Button Press to turn ON/OFF FM Modulator Button Selects the items to be adjusted 5:33 PM Page 13...

  • Page 14: Opening The Overhead Monitor

    OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 14 Opening the Overhead Monitor Press the “OPEN” button to release the overhead monitor. Gently push down on the bottom of the monitor until it reaches the desired position. The monitor will turn on automatically when it is fully open.

  • Page 15: Setting The Screen Mode

    Setting the Screen Mode The OHMD74 has 4 different screen modes: NORMAL, FULL, ZOOM, and WIDE. Pressing the MODE button on the front control panel or the remote control can access the different screen modes.
  • Page 16 OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 16 Note: The screen mode will set after 5 seconds, pending that the MODE button is not pressed. The display image may appear coarse or grainy when viewed in Zoom mode.

  • Page 17: File Extensions

    OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 17 MP3 Playback On CD What is MP3? MP3 is an audio compression method. This audio compression method has become a standard format with many PC users. MP3 allows the original digital audio data to be compressed to about 10 percent of its initial file size while still retaining high sound quality.

  • Page 18: File And Folder Structure

    It is not noise created by the OHMD74. Bit Rates The OHMD74 supports the following bit rates: 32kHz, 44.1kHz, 48kHz, and 96kHz. In case of a track recorded at VBR (variable bit rate), the display for the play time of the track may be slightly different from the actual playtime.

  • Page 19: Operating The Remote Control

    Moves the cursor up and down within the menu. 7. Subtitle Button Accesses the various subtitle functions on the DVD discs with multilingual support. 8. Setup Button Accesses the SETUP menu of the OHMD74 9. Title Button Accesses the TITLE menu of the DVD disc. 10. Display Button Display or conceals the on-screen display status line during playback.
  • Page 20 OHMD74 Final Manual.qxd 6/17/2004 13. Input Button Switches between the internal disc player and the auxiliary audio/video input. 14. Enter Button Used to select a highlighted menu item. 15. Audio Button Accesses the various language audio tracks on DVD disc with multilanguage support.
  • Page 21 OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 21...

  • Page 22: Settings And Adjustments

    OHMD74 Final Manual.qxd 6/17/2004 Settings and Adjustments This chapter describes how to setup and how to adjust using the on-screen SETUP menu. Using the Setup Menu Using the setup menu, you can do the initial setup, adjust the picture quality, and set the various outputs.
  • Page 23 OHMD74 Final Manual.qxd 6/17/2004 Setting the Language for On-Screen Display Press the SETUP button and using the cursor buttons select "OSD LANGUAGE". OSD (On-Screen Display) Language Menu The OSD Language Menu allows the user to select the language for the on- screen display.
  • Page 24 OHMD74 Final Manual.qxd 6/17/2004 Settings for Parental (Parental Control) This section of the SETUP Menu allows user to control the content of movie playback from G to Adult. The Parental Control function allows you to limit viewing to your preference.

  • Page 25: Playing Audio Cds

    OHMD74 Final Manual.qxd 6/17/2004 Playing Audio CDs When playing an audio CD, the DISPLAY Banner appears automatically. It displays the current track and the amount of the time for that track playing, the total amount of time on the disc and the current time running on the disc.

  • Page 26: Playing Mp3 Discs

    OHMD74 Final Manual.qxd 6/17/2004 Playing MP3 Discs MP3 is a format for storing digital audio. An audio CD-quality song can be com- pressed into the MP3 format with very little loss of quality, while taking up much less space. CD-R discs that have been encoded in MP3 format can be played on your DVD player.
  • Page 27 OHMD74 Final Manual.qxd 6/17/2004 Skipping Songs Use the cursor button on the remote control to move to the next song. Use the Previous cursor button to move to the beginning of the currently playing song. Press the button 2 times to move to the previous song.

  • Page 28: Program Play

    OHMD74 Final Manual.qxd 6/17/2004 RANDOM: Plays the songs in the random order. SHUFFLE ON: Plays the songs in random order (from within the selected folder). PROG-END (Program End): Plays the songs on the disc in the order you have programmed (you must create a play list to set the order you want the tracks on the disc to play).

  • Page 29: Battery Installation

    OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 29 Battery Installation 1. Slide the battery-retaining clip in, while sliding the battery tray out. 2. Insert the CR2025 lithium battery into the tray with the “+” facing upwards. 3. Slide the battery tray back into the remote control.

  • Page 30: Operating The Headphones

    OHMD74 Final Manual.qxd 6/17/2004 Operating Headphones 1. Power Switch Press to activate the headphones. The power on the headphones will turn off automatically if an audio signal is not detected for over a minute. 2. Volume Adjustment Switch Adjusts the volume of the sound in the headphones.

  • Page 31: Installation Instructions

    Installation About the Installation The installation of the OHMD74 overhead monitor system requires experience in both mechanical and electrical procedures. If you do not posses the necessary experience or tools to attempt this installation, contact a local Clarion dealer for assistance. Improper installation can result damage to the monitor and/or the vehicle.

  • Page 32: Installation Procedure

    OHMD74 Final Manual.qxd 6/17/2004 Installation Procedure 1. Identify the polarity of the dome light circuit and set the switch on the bottom of the overhead monitor housing. 2. Test fit the overhead monitor system on the ceiling of the vehicle, verifying it is not going to interfere with the safe operation of the vehicle.
  • Page 33 12.Ground the Black wire of the power harness to a clean ground spot. Note: Make sure you keep the ground wire of the OHMD74 and video source as short as possible to prevent any type of unwanted vehicle noise.

  • Page 34: Connecting Diagram

    OHMD74 Final Manual.qxd 6/17/2004 Connecting Diagram If you are uncertain as to what the proper connections are. Please contact a qualified Clarion technician for further installation assistance. A/V Cable A/V Input Connector Function Audio Left Input Audio Right Input Video Input...
  • Page 35 Always use great care when attaching anything to a vehicle! Visually inspect all sides of any potential screw location, to insure no damage will occur. If you have questions about this process, see your authorized Clarion dealer. 5:33 PM Page 35...

  • Page 36: Complete System Diagram

    OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 36 Complete System Diagram...

  • Page 37: Sample Installation

    OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 37 Sample Installation Warning! Make sure that the screws you use to mount the bracket, monitor, or optional spacers are not to long! If the screws are to long, they will damage the roof of the vehicle. Take great...

  • Page 38: Package Contents

    OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 38 Package Contents 1 OHMD74 1 Audio Video RCA Accessories 1 Audio Video Din Cables 1 Convenient External Game Port 1 Audio Output Din Cable 1 Three Pin Power Harness 1 Metal Mounting Bracket...

  • Page 39: Troubleshooting

    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 MODE button on the OHMD74 remote control.

  • Page 40: Specifications

    With a widescreen 16:9 monitor, I have black bars on the screen? Change the T.V. display mode to “Wide”. Unit does not eject? Make sure the OHMD74 is powered “ON” Specifications Supply: 12V DC (10V-16V) Test Voltage: 12V, Negative Ground Current Consumption: 1.8 Amp...

  • Page 41: Warranty Information

    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.
  • Page 42 Authorized Warranty Service Centers in your area. You may also contact the Clarion Customer Service at the address listed below for any service help you may need with Clarion products.
  • Page 43 OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 43...
  • Page 44 OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 44 CLARION CORPORATION OF AMERICA 661 WEST REDONDO BEACH BLVD. GARDENA, CA 90247 www.clarion.com...

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