JVC HM-DH30000U manual About Head Cleaning

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Failure to heed the following precautions may result in damage to the recorder, remote control or video cassette.

1.DO NOT place the recorder…

…in an environment prone to extreme temperatures or humidity.

…in direct sunlight.

…in a dusty environment.

…in an environment where strong magnetic fields are generated.

…on a surface that is unstable or subject to vibration.

2.DO NOT block the recorder’s ventilation openings or holes.

(If the ventilation openings or holes are blocked by a newspaper or cloth, etc., the heat may not be able to get out.)

3.DO NOT place heavy objects on the recorder or remote control.

4.DO NOT place anything which might spill on top of the recorder or remote control.

(If water or liquid is allowed to enter this equipment, fire or electric shock may be caused.)

5.DO NOT expose the apparatus to dripping or splashing.

6.DO NOT use this equipment in a bathroom or places with water. Also DO NOT place any containers filled with water or liquids (such as cosmetics or medicines, flower vases, potted plants, cups, etc.) on top of this unit.

7.DO NOT place any naked flame sources, such as lighted candles, on the apparatus.

8.AVOID violent shocks to the recorder during transport.

ABOUT HEAD CLEANING

After an extended period of use, the video heads can become dirty, resulting in a loss of picture or sound during playback. If this happens, clean the video heads by using the optional cleaning tapes.

Symptoms of dirty video heads:

●The picture is not clear, or does not appear. There is no sound.

●Mosaic (block) noise appears in the picture.

●Black or mosaic horizontal stripes appear in the picture.

●The picture stops (as if the tape is paused).

●A blank black or blue screen appears.

●The picture is fuzzy. (VHS playback)

VHS playback

Early symptom

D-VHS playback

Late symptom

Block noise

Still image

Black screen

Use a cleaning tape designed specifically for D-VHS video heads (JVC D-VHS video head cleaner DFC-2) to clean the video heads.

●In order to avoid misoperation, set "NAVIGATION" to "OFF" ( ☞ pg. 43).

●Follow the instructions that are provided with the cleaning tape.

If you still do not get a clear picture after using a cleaning tape:

●The heads may be worn. Contact your nearest JVC dealer.

●During VHS playback, if there is a tracking problem, the picture may appear fuzzy. Adjust the tracking manually ( ☞ pg. 23).

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Contents HM-DH30000U Dear Customer Power Cord Protection Power SourcesPower Lines Grounding or PolarizationDamage Requiring Service AccessoriesCleaning Replacement PartsAbout Head Cleaning Contents Basic Connection ConnectionsVideo Connection What to do if Plug & Play setting failed Plug & Play SettingPerform Plug & Play setup Preparations Clock Setting10 EN Select D.S.T. mode Setting clock semiautomaticallySelect time zone Select host channel12 EN Setting clock manuallySet year Manual Clock SetSetting channels automatically Tuner SettingAccess Tuner Set Up screen Perform Auto Channel SetAccess Manual Channel Set screen Setting channels manually14 EN Add or skip desired channelsSituate Controller Cable Box Control SettingAttach Controller Connect cable box to VCRAccess Cable Box Set screen Access Main Menu screen on VCR16 EN Turn on cable boxIf the cable box’s channel does not change to Press the appropriateCable BOX Brand List 18 EN How to control the DBS receiverConnect DBS receiver to VCR Antenna VideoTurn on DBS receiver Access DBS Receiver Set screenSelect DBS receiver output channel If you do not use a DBS receiver20 EN AccessPress OKDBS. Receiver Brand Set screenEnter DBS Receiver’s brand Receiver ControlStart playback Basic PlaybackLoad a cassette 22 EN Basic Playback FeaturesChanging display information Checking tape positionPlaying back tape repeatedly Adjusting tracking conditionSelecting monitor sound Activate manual tracking24 EN Access distant codeAutomatic operations after Locating beginningSkipping unwanted portions Locating beginning of timerAdjusting picture condition VHS Recording BasicRecording Compatibility Of Cassettes And Recording Mode To fast-forward the tape when it is not runningVHS/VHS Recording To pause recordingSpecifying recording length Basic Recording Features28 EN Showing on-screen display Recording another30 EN Record safety tabOther useful functions for recording Accidental erasure preventionLocating particular scene Special Effect PlaybackRapidly Picture Search High-Speed Picture Search Variable-Speed Picture Search S-VHS/VHS onlyViewing still picture 32 ENPause during playback Advance or reverse still pictureSlow Motion Playback S-VHS/VHS only Viewing slow motion pictureCH + During normal playback or still picture playbackAccess VCR Plus+ screen VCR Plus+ Timer ProgramingDaily M-F Cancel 34 ENTo use the VCR while it is in timer recording standby mode Engage timer recording standby modeInput receiving channel number Check program dateVCR Plus+ guide channel matching Changing VCR Plus+ Setting36 EN Input guide channel number Access Guide Channel Set screenGuide Channel SET, then press OK38 EN Express Timer ProgramingSet program stop time Set program dateCatv To timer-record daily Monday-Friday or weekly serials40 EN Checking program settingsPattern Other Useful functions for timer recording42 EN Navigation PlaybackSelect program 2,3Deactivate Video Navigation Deactivating Video NavigationVideo Navigation turns On or OFFAccess tape number screen Access Search·Edit screenFinding Tapes 44 ENFinding by recording date Finding by categoryFinding blank space 46 ENEditing tape title Editing Titles4 C 3 7 B 4,5How to enter the characters and symbols Access edit screen48 EN Enter titleEditing program category Access category screen Access edit screenPress Navigation Edit Program TitleDeleting tape information 50 ENTape number you want to Delete, then press NumberDeleting program information Access delete screenChecking memory Check memoryAccess Function Set Up screen Useful Function SettingsChange setting 52 ENAuto Video settings Video VHSDigital R3 S-VHS/VHS only 54 EN Audio settings AudioInput/Output settings IN/OUT When this function is set to OFF Additional settings Addtl56 EN For ExampleTelevision When this function is set to OFF, you can record on D-VHSAV Compu Link Access i.LINK Set Up screen Link Set UpReset Number 58 ENLink Connection What is i.LINK?Link Branched Connection Link Connection ExamplesEngage Satellite Auto Recording standby Mode Set timer program on DBS receiverMake sure the record safety tab is intact 60 ENJlip ID SET UP, then Select Jlip ID Set Up screenCamcorder Edit From62 EN Various connection for editing tapesMake connections Select input mode on this VCRSet AV COMPU-LINK to OFF VHS/VHS connectionA64 EN Edit To Or From Another VCR/Other DevicesVHS/VHS connection Link connectionSelect edit mode Select input mode on recording VCRLoad cassettes Press Play 3 on the playback VCR66 EN TV Brand SettingTurn on the cable box Cable Box Brand SettingEnter cable box brand code Operate cable box68 EN DBS Receiver Brand SettingTurn on the DBS receiver Enter DBS receiver brand codeSet remote control code for Remote Changing Remote Control CodeCheck remote control code for VCR Turn off VCR70 EN TroubleshootingTimer Recording Moisture Condensation About Head Cleaning72 EN Error Codes and Messages 74 EN Timer RecordingPlayback RecordingList of terms Front panel 76 ENVHF/UHF Rear panelFront display panel 78 ENChild Lock Still Play SlowHI-FI STD SD INDEX-9 On-screen displayRemote How to use the Remote80 EN Connectors TimerAccessories General82 EN HOW to Locate Your JVC Service CenterLimited Warranty HM-DH30000U
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HM-DH30000U specifications

The JVC HM-DH30000U is a versatile professional-grade digital video recorder that merges the capabilities of both VHS and digital formats, marking a significant achievement in video technology. This unique device serves as a bridge between traditional analog tapes and modern digital workflows, making it an ideal tool for video production, archiving, and playback.

One of the standout features of the HM-DH30000U is its ability to play and record in both S-VHS and VHS formats. This broad format compatibility ensures that users can easily access and preserve their existing VHS tape collections while also leveraging new video technologies. The built-in transcoding capabilities mean that VHS tapes can be converted into a digital format without sacrificing quality, making it easier to store and edit content on digital platforms.

In terms of video quality, the HM-DH30000U supports high-resolution output formats, ensuring that the recordings maintain a high level of detail and clarity. The machine is equipped with JVC’s advanced digital processing technologies that enhance the quality of both playback and recording. The Digital Frame Sync technology helps in eliminating jitter and enhancing the overall quality of video playback, which is crucial for professional applications.

The HM-DH30000U also includes features such as IEEE 1394 FireWire connectivity, allowing for easy connection to digital video cameras and other equipment. This connection enables seamless transfer of video footage and simplifies the editing process by providing a direct digital link. The unit also supports various input and output options, including composite, S-Video, and component video outputs, making it a flexible addition to any video production setup.

Furthermore, the recorder incorporates a user-friendly interface, allowing for straightforward navigation and operation. The on-screen menus make it easy to access settings and make adjustments, accommodating both novice users and seasoned professionals. The HM-DH30000U is designed for durability and reliability, making it a trusted companion for any video enthusiast or professional.

Overall, the JVC HM-DH30000U stands out as a functional and reliable device that combines the best of both analog and digital worlds, making it a valuable asset for those looking to preserve, edit, and create video content with ease. Its integration of advanced technologies and user-friendly features ensures that it meets a diverse range of video production needs.
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