JVC
GY300u 3CCD
108 Page
Owner's
Manual
GY-DV300
INSTRUCTION MANUAL
DV CAMCORDER
This instruction manual is made from 100% recycled paper.
For Customer Use :
Enter below the Serial No. which is located on the body.
Retain this information for future reference.
Model No. GY-DV300
Serial No.
Thank you for purchasing this JVC product. Before operating
this unit, please read the instructions carefully to ensure the
best possible performance.
LWT0017-001A

MAIN FEATURES
●Newly developed built-in 12-bit DSP employed
for high-quality picture
●High quality picture with 400% dynamic range
●Compact, lightweight design
●DV high-quality digital format
The 4:1:1, 8-bit, 25 Mbps component digital
signal processing of the format ensures recording
and playback with high picture quality.
●High sound quality thanks to PCM audio
Two types of sampling, 16-bit, 48 kHz sampling
and 12-bit, 32 kHz sampling, ensure high-quality
digital audio.

●Camera section designed with 3-CCD system for
high-quality picture
Three 1/3" CCDs with 380,000 effective pixels
employed. Digital processing for high quality
picture reproduction.
●Super sensitivity F/11, 2000 lux
Enables shooting at normal indoor illumination
eliminating the need for extra illumination.
●LOLUX for 2.65 lux (F1.6) illumination
Employment of LOLUX mode ensures +24 dB
gain. This is ideal for difficult shooting conditions
with almost no illumination.
●Zebra pattern video level indication on monitor
screen
●Built-in color bar (SMPTE type)
●Aspect ratio switchable between standard and
wide-screen
Menu allows screen format setting to be switched
between 4:3 format and LETTER BOX-screen
(16:9).
●Time code reader/generator
Recording of SMPTE time code possible.
●Edit search function for convenient recording
review
●Variable scan shutter
Eliminates flicker when shooting other screen
pictures than NTSC, such as computer monitor
screens.
Copes with the range from 60.6 Hz to 2084.6 Hz.

●DV (i. LINK) connector
DV connector (4-pin) provided. Enables transfer
of digital data to other equipment provided with
DV connector.
●Built-in camera-shake compensation function
●Built-in 2.5" color LCD display
●Network connection possible (requires
installation of the optional network pack KA-DV300)
This allows audio and video streaming data to
be transmitted via LAN card or the data can be
recorded on a memory card.
6
CONTENTS
INTRODUCTION
Precautions for Proper Use .............................. 7
Routine and Periodical Maintenance ................ 9
Precautions for Use of Head Cleaning Tape ... 10
Videocassette to be Used ............................... 10
Condensation ................................................... 11
Characteristic CCD Phenomena ...................... 11
CONTROLS, INDICATORS AND CONNECTORS
Right Side Section .......................................... 12
Rear Section ................................................... 14
Left Side Section ............................................. 18
Front Section ................................................... 20
Top Section ..................................................... 21
Indications on LCD Screen and
Viewfinder Screen ....................................... 22
PREPARATIONS
Basic System .................................................. 32
Power Supply Preparation .............................. 33
AC Operation .................................................. 33
Battery Pack Operation ................................... 34
Attaching an External Microphone (optional) .. 36
PREPARATIONS FOR OPERATION
Turning the Power ON .................................... 37
Cassette Loading ............................................ 38
LCD Screen Adjustment .................................. 39
Adjustment the Viewfinder .............................. 40
Setting, Displaying and Recording
the Date and Time ....................................... 41
Charging the Built-in Battery ........................... 44
Setting, Displaying and Recording
the Time Code ............................................. 45
SETTINGS BEFORE SHOOTING
Shooting Mode (AUTO/MANUAL) Selection ... 47
Audio Input Signal Selection ........................... 49
Audio Monitor Selection .................................. 51
Focus Mode Selection .................................... 52
Angle of View (Zoom In/Zoom Out) ................. 53
Menu Screen Settings ..................................... 54
SHOOTING
Basic Recording Operation ............................. 57
Viewing the Recorded Scene (Edit Search) .... 59
If the Unit is Left in Recording-Standby Mode .. 60
Recording the Color Bar ................................. 61
Using the AE Function .................................... 62
MANUAL ADJUSTMENTS
Manual Focus Adjustment ............................... 63
Using ND Filter ................................................ 65
Obtaining Natural Tint (White Balance) ........... 66
Manual Iris Adjustment .................................... 68
Manual Shutter Speed Adjustment ................. 70
Manual Gain Adjustment ................................. 72
Displaying Zebra Patterns for Adjustment ....... 75
Manual Adjustment of the Audio
Recording Level .......................................... 76
Disabling Operation of the Camera-Shake
Compensation Function .............................. 78
Adjusting the Quality of Camera Image .......... 79
PLAYBACK
Playback of Tape ............................................. 80
Blank Search ................................................... 81
Adjusting the Playback Sound Volume ........... 82
Outputting CH-3/CH-4 Channel Sound ........... 83
EXTERNAL COMPONENTS
Connecting a Video Component with
DV Connector .............................................. 84
MENU SCREEN
MENU Screen Structure ................................. 86
Setting Menu Screens ..................................... 88
Contents of Menu Screens ............................. 90
TOP MENU Screen ..................................... 90
SYSTEM Menu Screen ............................... 91
DISPLAY Menu Screen ............................... 94
CAMERA Menu Screen ............................... 96
OPERATION Menu Screen ......................... 98
CLOCK/TC Menu Screen ............................ 99
VTR Menu Screen ....................................... 99
TROUBLESHOOTING
Alarm Indications and Actions ....................... 100
In case of Difficulty ........................................ 102
OTHERS
Displaying the Hour Meter Display ................ 104
Specifications ................................................ 105

CAMERA SECTION
Image pickup devices: 1/3-inch interline CCD × 3
Color separation optical system :
F1.6 3-color separation
prism
Number of effective pixels :
380,000 pixels ((H) 768 ×
(V) 492)
Color system : NTSC (wide-band R-Y, B-Y
encoder)
Color bars : SMPTE standard color bar
Sync system : Internal sync (built-in
SSG)
Lens magnification : 14X (optical)
Optical filter : 1/32 ND built-n
Sensitivity : F11, 2000 lx
Minimum illumination :
2.65 lx (F1.6, LOLUX
mode) Calculated value
Horizontal resolution: 750 TV lines (effective)
Gain : –3 dB to 18 dB (1 dB step)
ALC, LOLUX
Electronic shutter speed :
1/100, 1/250, 1/500,
1/1000, 1/2000
Variable scan speed : 60.1 Hz to 2084.6 Hz
Contour correction : Horizontal: dual-edged.
Vertical: dual-edged
LENS SECTION
Focal length : f = 5.7 mm – 79.8 mm
Max. aperture : 1:1.6 (WIDE) – 1:2.8
(TELE)
Minimum distance to subject :
1.0 m (full zoom range)
Camera-shake compensation range :
±0.3 degrees
[ VTR SECTION]
Recording format : DV format SD specifica-tion
Format : MiniDV
OTHERS Specifications
Tape speed : 18.812 mm/sec (SP
mode), 12.555 mm/s (LP
mode)
Record/Play time : 60 minutes (With M-DV60ME
cassette, SP
Mode)
90 minutes (With M-DV60ME
cassette, LP
Mode)
F.F/Rewind time : Approx. 2 minutes (With
M-DV60ME cassette)
[VIDEO SIGNAL SYSTEM]
Recording format : 8-bit, 13.5 MHz, 4:1:1
component recording
[AUDIO SIGNAL SYSTEM]
Recording format : 16-bit, 48 kHz, 2-channel
PCM audio/12-bit, 32 kHz
4-channel PCM audio (re-cording
only 2 channels)
Frequency response: 50 Hz to 20 kHz (in 48 kHz
mode)
INPUT/OUTPUT SIGNALS
Video signal output : 1 V (p-p), 75 ohms un-balanced
composite out-put.
(BNC)
YC output : Y 1 V (p-p) 75 ohms un-balance
C 0.286 V (p-p) 75 ohms
unbalance (4P)
Microphone input : –60 dBs, 3 kohms bal-anced,
phantom power
supply +48 V output sup-ported
(XLR 3-P, 2 sys-tems)
Audio output : –8 dBs, 1 kohms,
unbalanced (RCA)
Earphone output : –60 dBs to –28 dBs, at 8-
ohm load (monaural mini-jack)
DV connector :4P
DC input : 6V to 12V DC
Built-in microphone : Unidirectional, sensitivity
–40 dBs
106
OTHERS Specifications (cont’d)
Design and specifications are subject to change without notice.
GENERAL
Power consumption : DC7.2 V 14.4 W
Mass : Approx. 1.4 kg
(without battery)
Allowable operating temperatures :
0 °C to 40 °C
Allowable operating humidity :
30% to 80% RH
Allowable storage temperatures :
–20 °C to 60 °C
ACCESSORIES
Instruction Manual :x 1
Battery Pack : BN-V428
AC power adapter (battery pack charger) :
AA-P30
OPTIONAL ACCESSORIES
Microphone : MV-P615U
Microphone holder : KA-A33
Network pack : KA-DV300
DV cable : VX-DV130 (4P-4P)
VX-DV230 (4P-6P)
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