JVC GR-DVM1 manual Sub-Code Area, Video Area Audio Area, ITI Insert and Tracking Information Area

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ABOUT DV77

The digital video camera converts incoming audio and video signals into digital form for recording.

A video signal is composed of a luminance signal (Y) and color signals (R-Y and B-Y). These signals are identified and recorded digitally (Digital Component Recording). The A/D (Analog to Digital) converter samples the Y signal at 13.5 MHz, and R-Y and B-Y at 3.375 MHz, and changes them to an 8-bit quantum signal.

Sound sampled at 48 kHz is changed to a 16-bit quantum signal, and sound sampled at 32 kHz is converted to a 12-bit signal.

NOTE:

The data recorded on a tape is digital, but the output of the GR-DVM1 is analog.

VIDEO

Lens

 

Luminance Signal (Y)

 

 

 

Color Difference

 

 

 

 

 

 

 

 

 

 

 

 

Signal (R-Y)

 

 

 

 

 

Chrominance (C)

 

 

Chromatic

 

 

 

 

 

 

 

 

Analysis

 

 

 

 

 

 

 

 

 

 

 

 

 

AUDIO

 

 

Color Difference

 

 

Signal (B-Y)

 

 

 

 

 

 

Mic

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A/D

conversion

A/D

conversion

A/D

conversion

A/D

conversion

Recording by rotating head helical scan

Signal

compression

The GR-DVM1 separates the data into blocks, writing one block of each data type on each track of the tape.

Tape direction

Sub-Code Area

Video Area

Audio Area

ITI Area

Head tracking direction

10 tracks/frame

5.24 mm / 1/5"

6.35 mm / 1/4"

1Sub-Code Area

The Time Code and Date/Time data are written here, separate from the video data. This enables you to display the date and time during playback, even if they weren’t displayed while recording.

2Video Area

3Audio Area

The digital audio signal is recorded here.

4ITI (Insert and Tracking

Information) Area

Insert editing and post-recording editing tracking signals are recorded here.

The digital video signal is recorded here.

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Contents GR-DVM1 It is recommended that you Dear CustomerPower Cord Protection Power SourcesPower Lines Grounding or PolarizationDamage Requiring Service AccessoriesReplacement Parts Safety CheckSafety Precautions DV30ME Contents Detach BATTERY/BATTERIES Charging The Battery PackAttach DetachOpen Battery Cover Installing The Battery PackInsert Battery Close Battery CoverSupply Power Using The CAM StandIndoor Use Attach to CAM StandRemove OLD Battery Clock Lithium Battery CR2025 Insertion/RemovalInsert NEW Battery Replace Battery HolderSelect Operation Mode Date/Time SettingsAccess Recording Menu Open LCD MonitorOpen Cassette Door Loading/Unloading a CassetteINSERT/REMOVE Tape To protect valuable recordingsLens Cover Detachment Recording Mode SettingHand Strap Attachment Attach SUN Hood Sun Hood AttachmentOpen SUN Hood Detach SUN HoodGrip Attachment Grip AdjustmentRE-INSERT Holder Remote Control UnitInstalling The Battery Full Auto/Manual Operation Basic Recording Turn on PowerStart Recording END RecordingEngage Still Mode Select ModeRecording From The Middle Of a Tape Start SearchTime Code When blank portion is recorded on a tapeDuring shooting Partway through the tapeGrasp Camcorder Holding The CamcorderTilt LCD Monitor Adjust BrightnessLCD Monitor Indications Interface Shooting Zoom Changing the Snapshot Setting Motor Drive modeSnapshot Take SnapshotRewind Tape Snapshot SearchBegin Search To Stop a Snapshot Search In ProgressScene Press the PUSH-OPENswitch and open the LCD monitor fullyTo Take a Snapshot In The 5-Second Mode , press Snapshot instead Self-TimerTo Take a Snapshot In The Self-Timer Mode Select Function MenusClose Recording Menu Press MENU. The Recording Menu appears in the LCD monitorZoom Magnification DIS Digital Image StabilizerClose System Menu Access System MenuSystem Menu END SET Menu Button Sound signals can be sampled at 32 kHz or 48 kHzSelect Effect FADE/WIPE EffectsFades and Wipes Resume Recording Picture Wipe/DissolveDissolve Press Recording START/STOP? R Random Fader Random VariationsExchanging FADE/WIPE Effects Accessmenu FADER/WIPE CustomizeSelect NEW Effect Close MenuFades and Wipes Refer to page 34 on using the exchanged effectsAE/Effects Disable P.AE/EFFECTVideo Echo Sepia √ Monotone √Classic Film √ StrobeExchanging P.AE/Effects Accessmenu P.AE/EFFECT CustomizeDisplaying The Date And Time During Recording To Return To Automatic White Balance White Balance AdjustmentSelect Auto in . Or set the shooting Mode selector to Auto Manual White Balance Operation Enter SettingExit Recording Menu To Change The Tint For RecordingTo Change To Auto Focus Manual Focus AdjustmentAdjust Focus Exposure Control Adjust ExposureBrightness control of the LCD monitor To Return To Automatic Exposure ControlIris Lock REC Ording Advanced FeaturesEND Playback Viewing RecordingTo Perform High-Speed Search You can watch what you’ve recorded in the LCD monitorVCR/TV Connection Select TV’S Video ModeConnectvcr Camcorder to TV or Start PlaybackSet the Power Dial to Play Using The Remote Control During PlaybackDocking Station Attachment Attach and LocksRecording deck TV PlaybackConnect as shown in the illustration pg Connect Docking Station to TV or VCRPlayback Menu Access Playback MenuTo set parameters for other functions, repeat steps 3 Press Menu again, and the menu disappearsDisplaying The Time Code During Playback Playback SoundDisplaying the Date During Playback Activate Zoom Playback ZoomLocatescene Portion of Magnified END ZoomPress Play Playback EffectsRM-V708U ProvidedDubbing Docking StationMake Connections Pause RecordingPress and Hold MBR SET Button Brand SettingEnter Brand Release SET ButtonRandom Assemble Editing To Operate The VCR With The Remote ControlStart Source Playback Execute FADE/WIPESET EDIT-OUT Point SET EDIT-IN PointUSE Fade Wipe on Scene TRANSI- Tion USE P.AE/EFFECTStart Editing Engagemode Vcrs RECORD-PAUSEStop Editing Engage the Stop modes for the camcorder and the recorderPrepare for R.A. Edit Play Back Dubbed Scene For More Accurate EditingChoose a Scene Edit appears on the TV screenNow perform Random Assemble Editing beginning with on Input Correction DataPress MENU. The Playback Menu appears on the TV screen Find EDIT-IN Point Audio DubbingBegin Dubbing Pause During DubbingFind Edit OUT Point Insert EditingFind Edit in Point Pause During EditingREC pg 5-Second mode Select 5S or 5SDClose the cassettes cover Play pgEffect pg TR Ouble ShootingPicture Wipe function doesn’t work Squeeze or Cinema mode is selected in the Recording MenuPossible Causes This may occur when Cleaning The Camcorder Main Unit Name & Function LCD Monitor Indications During RecordingLCD Monitor Indications During Playback Fast-Forward FF button Printer connectorPause button # DC output jackITI Insert and Tracking Information Area Sub-Code AreaVideo Area Audio Area Plug adapter Using Household AC Plug AdapterSerious malfunctioning About moisture condensationPower consumption Format PowerSignal format Video signal recording formatPower consumption Battery LifeOutput power Editing connectorNtsc Connections Pg , 50, 51 Motor Drive ModeOn-Screen Menus ............................ pgs Play Back on TV Pgs , 52, 54, 56GR-DVM1

GR-DVM1 specifications

The JVC GR-DVM1 is a remarkable piece of technology that represents a significant leap in the world of digital camcorders. Released in the early 2000s, this compact device quickly gained recognition for its innovative features and user-friendly design, catering to both amateur videographers and seasoned professionals.

One of the standout features of the GR-DVM1 is its ability to capture stunning video quality thanks to its advanced Progressive Scan technology. This allows for the recording of smoother video footage, perfect for dynamic scenes. The camcorder utilizes a 1/4-inch CCD sensor, delivering a resolution of up to 680,000 pixels, which translates to sharp, vibrant images that reflect true-to-life colors.

The camcorder's 10x optical zoom lens offers exceptional versatility for capturing distant subjects without sacrificing clarity. Coupled with a digital zoom capability, the GR-DVM1 allows users to get closer to their subjects, whether filming a scenic landscape or a candid moment at a family gathering. The lens is designed to minimize distortion, providing both wide-angle and telephoto capabilities.

Flexibility in shooting styles is further enhanced by the camcorder’s built-in digital effects, which include various transitions and filters that make it easy to add a professional touch to home videos. The ease of use is evident in its intuitive controls, enabling users to navigate settings effortlessly. An LCD screen provides a clear view while composing shots, and it's adjustable for optimum viewing angles.

Another notable characteristic of the JVC GR-DVM1 is its compatibility with various recording media. It supports MiniDV tapes, which were popular at the time for their reliability and quality. This format also makes it possible to obtain recordings that can be transferred to a computer for editing or archiving.

In terms of connectivity, the GR-DVM1 is equipped with FireWire (IEEE 1394) ports, enabling straightforward digital transfers to compatible devices. This allows for seamless integration into a digital editing workflow, where hours of recorded footage can be quickly imported for post-production.

The JVC GR-DVM1 not only excels in video capabilities but also includes a built-in microphone and the option for external mic support, ensuring high-quality audio to complement the impressive visuals. With its combination of advanced technology, user-friendly features, and portability, the JVC GR-DVM1 remains a noteworthy camcorder that played a vital role in the transition to digital video recording. Its legacy continues to influence camcorder design and functionality in subsequent generations.