OHMD74 Final Manual.
OHMD74 Final Manual.qxd 6/17/2004 5:32 PM Page 2 Welcome! Thank you for purchasing the Clarion OHMD74 overhead monitor system. This monitor is engineered with advanced technological designs and components for the best picture quality and convenience. Warning! 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.
OHMD74 Final Manual.qxd 6/17/2004 5:32 PM Page 3 Introduction The Clarion OHMD74 is a full-featured overhead entertainment center featuring DVD, CD, and MP3 playback. This system combines flexibility, reliability, and expandability all in one. Designed primarily for rear seat entertainment, the audio from the OHMD74 can be enjoyed privately through wireless headphones and/or incorporated into any head unit.
OHMD74 Final Manual.qxd 6/17/2004 5:32 PM 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. This equipment generates and uses radio frequency energy and if not installed and used in accordance with the instructions, it may cause harmful interference to radio communications.
OHMD74 Final Manual.qxd 6/17/2004 5:32 PM Page 5 Table Of Contents Introduction and Precautions . . . . . . . . . . . . 2-6 Care and Maintenance . . . . . . . . . . . . . . . . . 6-8 Operating OHMD74 Monitor . . . . . . . . . . . . . 9-16 About Disc Formats . . . . . . . . . . . . . . . . . . . 17-18 Operating the Remote Control . . . . . . . . . . . 19-21 Changing Display Settings . . . . . . . . . . . . . . 22-28 Replacing the Remote Battery . . . . . . . . . . . 29 Operating the Headphones . . . . .
OHMD74 Final Manual.qxd 6/17/2004 5:32 PM Page 6 Precautions • This overhead monitor system is designed for use in 12V DC negative ground vehicles. • Do not operate the overhead monitor system in ways other than described in this manual. Doing so may result in damage to the monitor system and/or the vehicle, voiding the warranty of this product. • SAFETY FIRST! This overhead monitor system is designed for rear-seat entertainment only.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 7 To clean the monitor, use a clean soft cloth and gently wipe the screen. If possible, use specially designed “monitor wipes” to clean the screen. Handling Discs Always handle a disc by its edges. Never touch the surface of the disc directly. To remove inadvertent fingerprints and dust, use a soft cloth and wipe in a straight line from the center of the disc to the outside edge.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 8 Temperature and Moisture If the player is used while the interior of the vehicle is very cold, condensation may form on the disc or on the internal optical pickup system and prevent proper playing of the disc. If you suspect that condensation is an issue, eject the disc and inspect the playing surface. If necessary, remove the condensation with a clean soft cloth as described above.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 9 Disc Playback DVD playback will often begin automatically when the disc is inserted. With some DVD discs, you will need to press [ENTER] or [ ] to begin playback. CD-Audio discs will begin playback automatically. CDs with MP3 files may require you to navigate the file structure menu. For more information, see MP3 Playback on CD-R Discs.
OHMD74 Final Manual.qxd 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” • CD audio manufactured with certain copyright methods Note: 8cm discs are NOT compatible. Please do NOT insert 8cm discs.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 11 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 changes as follows: Standard Speed - 2X - 4X - 6X - 8X Pausing Playback Press [ ] during playback will pause, and the frame displayed at the point pause mode was entered will be displayed on the screen. Press [ ] again to return to normal playback mode.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 12 Monitor Control Panel Layout 1. 2. 3. 4. 5. 6. 7. 8. 9. 12 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. Eject Button Ejects Discs Forward Button Use for high speed search within a chapter or track. Moves the cursor left and right within the menu.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 13 10. + Button Selects the items to be adjusted 11. FM ON/OFF Button Press to turn ON/OFF FM Modulator 12.
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. Note: The vehicle’s ignition key must be “ON” or Accessory position for the monitor to have power.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 15 Closing the Overhead Monitor Gently push the backside of the monitor until it clicks into the overhead monitor housing. The monitor will turn off automatically when it is returned to the closed position. Note: Do not place any objects between the monitor and the monitor housing, this can result in serious damage to the monitor. Setting the Screen Mode The OHMD74 has 4 different screen modes: NORMAL, FULL, ZOOM, and WIDE.
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.
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. This means that about 10 music CDs can be recorded on a CD-R disc, thus allowing longer listening time without having to change CDs.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 18 File and Folder Structure The folder name and file name can be displayed as the title during MP3 play. However, the title must be within 31 and 27 single-byte alphabetical letters and numerals for the folder name and file name, respectively (not including an extension). Entering more letters or numerals than specified may cause an incorrect display.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 19 Remote Control 1. Power Button Turns the monitor ON/OFF. 2. 0-9 Buttons Used with various functions 3. ILL/Goto Button Enables direct access to a defined point within a track or chapter during playback. 4. Stop Stops playback. 5. Fast Reverse/Fast Forward Use for high-speed search within a track or chapter. Moves the cursor left and right within the menu. 6. Next/Previous Steps to the next or previous chapter/track.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 20 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. 16. Angle Button Selects among the various camera angles on DVD discs with multi-angle support. 17. Menu Button Accesses the MAIN menu of the DVD. 18. FM Button Switches ON/OFF the FM Modulator 19.
OHMD74 Final Manual.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 22 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. You can also set a language for the on-screen display, the setup display and limit playback by children. 1) Press the SETUP button to display the "setup menu" on the display screen.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 23 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 -- GENERAL PAGE -user to select the language for the onTV DISPLAY screen display. Press and then use TV TYPE the cursor buttons to select the desired ANGLE MARK ENGLISH OSD LANG language.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 24 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. 1.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 25 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. Press the DISPLAY button on the remote to display the DISPLAY Banner. The options below show you what happens when you press the DISPLAY button.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 26 Playing MP3 Discs MP3 is a format for storing digital audio. An audio CD-quality song can be compressed 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. Press the DISPLAY button on the remote to DISPLAY Banner. The options below show you what happens when you press the DISPLAY button.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 27 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. Using The Repeat Feature The default mode for the Repeat feature is OFF. Pressing REPEAT consecutively changes the repeat options: REP-ONE - repeats the songs that is playing. FOLDER REP - repeats the folder that is playing.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 28 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). When you are creating a play list, this option changes to PROGRAM PO.
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. Note: Under normal conditions the battery should last approximately one year. When the battery becomes weak, the transmitting range of the remote control will shorten.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 30 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. Note: • Headphones are not to be worn by the operator of the vehicle when driving. • Do not leave the headphones in a place subject to direct sunlight or extreme temperatures.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 31 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.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 32 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. 3. Once the mounting location of the overhead monitor system has been determined, carefully mark the location with masking tape. 4.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 33 10.Carefully hold the overhead monitor system to the mounting bracket aligning the mounting holes while screwing in the screws. (Make sure the wires and cables are not in the way while mounting the monitor). 11. Connect the Red wire of the power harness to the Accessory wire in the ignition harness. 12.Ground the Black wire of the power harness to a clean ground spot.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 34 Connecting Diagram If you are uncertain as to what the proper connections are. Please contact a qualified Clarion technician for further installation assistance.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 35 FM Modulator Cable A/V Input 8-Pin Connector Pin Function 1 NC 2 NC 3 NC 4 NC 5 FM Mod ON/OFF 6 Audio Left Output 7 FM Mod Ground 8 Audio Right Output GND A/V GND Shielding Wiring the OHMD74 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.
OHMD74 Final Manual.
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 care when planning this part of the installation.
OHMD74 Final Manual.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 39 Troubleshooting 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 OHMD74. No Picture and Sound Press the [ A/V ] button to make sure you are not in A/V output. Picture Rolls Check that the T.V.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 40 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 Max Current Consumption: 2 Amps Operating Temperature: 0 ~70 C Storage Temperature: -30 ~80 C Video System: NTSC Screen: 7" Diagonal Resolution: 1440(W) x 234(H) Weight: 5.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 41 WARRANTY INFORMATION 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.
OHMD74 Final Manual.qxd 6/17/2004 5:33 PM Page 42 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.
OHMD74 Final Manual.
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.
