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Thank you for purchasing the JVC GY-HD250U/CHU and
GY-HD251E/CHE HD CAMERA RECORDER.
These instructions are for the GY-HD250U/CHU and GY-
HD251E/CHE.
• A lens is included with the GY-HD250U and GY-HD251E.
• A lens is not included with the GY-HD250CHU and GY-
HD251CHE.
Information applicable only to the GY-HD250U/CHU is
marked by “(U model only)”.
Information applicable only to the GY-HD251E/CHE is
marked by “(E model only)”.
* All product names in this manual are trademarks or regis-
tered trademarks of their respective companies.
Marks such as ™, ® and © are not used in this manual.
ACCESSORIES
This device is a HDV/DV video system format camera
recorder.
Videocassettes marked with the
A
symbol can be used.
The following phenomena may occur when tapes recorded
on other units (including another GY-HD250/GY-HD251)
are recorded or played back on GY-HD250/GY-HD251.
• The transient section between scenes recorded on other
units and those recorded on this device may appear dis-
turbed.
• Digital noise may appear during playback due to track-
ing errors.
• This device records and plays back in the SP mode.
Recording or playback in the LP mode is not possible.
(In DV format)
• Due to manufacturing dispersion of tapes, we recom-
mend not to record pictures within the first 2 to 3 min-
utes from the beginning of the tape.
• Before recording important scenes, be sure to perform a
test recording and confirm that both video and audio are
recorded correctly.
• Recorded video and audio contents are for private use.
Other use may infringe on the rights of copyright hold-
ers.
• JVC cannot assume liabilities that may derive from the
impossibility of normal recording or playback of video or
audio due to malfunction of this device or the videocas-
sette.
/
(Excluding the CHU/CHE
model)
Lens
X
See pages 10 and 33
Microphone
X
See page 33
Core Filter
For Viewfinder Cable
X
See page 33
Clamp Filters ×4
For DC (×2)/Audio/
IEEE1394 Cable
X
See pages 36, 64 and 67
SD memory card
X
See page 34
Tripod base
(Provided only for U model)
X
See page 35
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MAIN FEATURES
• GY-HD250/GY-HD251 records in HDV format or DV format.
DV format can record and play back SD (Standard Defini-
tion) video on Mini DV videocassettes.
HDV format can record and play back HD (High Definition)
video on Mini DV videocassettes.
There are two types of recording formats within HDV format.
HDV 720p (720 effective scan lines, progressive scan)
HDV 1080i (1080 effective scan lines, interlaced scan)
GY-HD250/GY-HD251 supports HDV 720p format. (HDV
720p)
HDV and
are trademarks of Sony Corporation
and Victor Company of Japan, Limited.
• 24p mode shooting function
In HDV format, it records in 24p mode.
It uses a 2:3:2:3 pulldown when recording to tape and con-
verts the images to 60 frames. Component output is con-
verted to 60 frames during playback as well.
24p DV format video uses a 2:3:2:3 pulldown (24p Mode).
A 2:3:3:2 pulldown (24p Advanced Mode) is also supported.
It can shoot with the same number of frames as movie
film.
• Tapes recorded in the DVCAM format can only be played
back (simple playback).
Recording in the DVCAM format is not possible.
DVCAM is a registered trademark of Sony Corporation.
• 60 Hz/50 Hz HD or HDTV signals
Supports both 60 Hz/50 Hz HD or HDTV signals.
You can select this in a menu screen.
• Cross-convert video output
You can output converted video from the video output con-
nectors. You can select this in a menu screen.
• Outputs composite, component, Y/C separate and RGB
signals as analog video in DV format. Outputs composite
and component signals in HDV format.
• Features HD/SD SDI output terminals
Outputs serial digital HD and SD signals.
• Focus assist function
Enables easy and accurate focusing during shooting.
• User buttons added
Enables you to switch camera settings instantly to suit the
shooting conditions.
• External video signal input enabled
Records composite video signals from an external source.
• GENLOCK input terminal
Input BB (Black Burst) or HD Tri-sync signals. SC phase
and HD/SD H phase adjustments can be performed.
• Time code reader/generator
The built-in time code reader/generator can be used to
record the time code and user’s bits.
• Time code input/output terminal and slave lock function
Slave lock to an external time code generator connected
to the time code input terminal.
The time code output terminal outputs built-in time code
generator data.
• Built-in large 3.5" color LCD display
In addition to displaying the camera image and the play-
back image, the LCD monitor shows the status screens,
menu screens for settings, and alarm indications.
• Built-in monitor speaker for audio checking
The input audio can be monitored in recording or EE mode.
The playback sound can be monitored in the playback
mode. The speaker also outputs an alarm tone in case an
abnormal condition occurs in this device.
• Recording check function for convenient recording review
function
• Camera section designed with 3-CCD system for high-
quality picture
1/3" 3-CCD with 1,110,000 effective pixels employed. Dig-
ital signal processing for reproduction of HDV/DV high-
quality picture.
• Multi-Zone Auto Iris Detection Circuit
Multi-zone auto iris detection circuit ensures optimum iris
position even in back light conditions or when a bright sub-
ject moves in a frame.
• Safety Zone indication in viewfinder
• Zebra pattern video level indication in viewfinder
• Full Auto Shooting (FAS) function
Eliminates the need for troublesome switch or filter opera-
tions by automatically providing a wide range of compati-
bility with shooting conditions that change as you move
between indoors and outdoors or between bright and dark
locations.
• ND filters for 1/4ND, 1/16ND provided
• IEEE1394 connector
IEEE1394 connector (6-pin) provided. Enables transfer of
digital data to other equipment provided with IEEE1394
connector, such as a non-linear editing system. (Power
cannot be supplied.)
• 1/3" bayonet type lens
• Built-in color bars (ARIB (multi-format color bars), SMPTE/
EBU type)
• Shutter speeds and menus can be selected using a dial,
making it very easy to use.
• Variable scan shutter
There is no flicker when shooting computer screens and
other non-NTSC/PAL format screens.
• Slow shutter
Makes it possible to brightly shoot video of dark subjects
with little motion by accumulating the images.
• Backup recording function
Continuous extended recording is possible by connecting
to HDV/DV devices.
• Connect to KA-HD250 Studio Kit and use as a studio cam-
era.
