JVC GY-HM790U User Manual

1-18 (No.HC034<Rev.001>)
4.5 CAMERA ADJUSTMENTS
4.5.1 Encoder adjustment
Vectorscope settings as follows.
Saturation: 75%, SET UP: 7.5%
No. Item
Measuring
Instruments &
Input Signals
Mode
Measuring Point (A)
Adjustment Points (B)
Adjustment Level (C)
Adjustment Procedure
1 Preparation ADJUST MENU
No.1 "VIDEO
MODE
CHANGE"
(C)60(NTSC) (1) Select ADJUST MENU No.1, "VIDEO MODE
CHANGE"
(2) If system is not in [60](NTSC), select the
"60"and press the [Set] button.
(The camcoder will reboot automatically)
2 27MHz CAM
adjustment
Frequency
counter
ADJUST MENU
No.2 "27MHZ
CAM"
(A)Pb OUT
(B)[Cross-Shaped]
(UP/DOWN)
button
(C)27MHz ± 30Hz
(1) Select ADJUST MENU No.2 "27MHZ CAM".
(2) Push the [Set] button so that "*" lighting, and
then push the [Cross-Shaped](UP/DOWN)
button to adjust to the specified value.
(3) Push the [Set] button to store the adjustment.
3 Composite
Y level
adjustment
Waveform
monitor
(Oscilloscope)
ADJUST MENU
No.3 "CPS Y GAIN"
(A)Y/ VIDEO OUT
(75Ω terminated)
(B)[Cross-Shaped]
(UP/DOWN)
button
(C)Y level
1.0Vp-p
(1) Select ADJUST MENU No.3 "CPS Y GAIN".
(2) Push the [Set] button so that "*" lighting, and
then push the [Cross-Shaped](UP/DOWN)
button so that the Y level is as specified.
(3) Push the [Set] button to store the adjustment.
4 Component
Y level
adjustment
Waveform
monitor
(Oscilloscope)
ADJUST MENU
No.4 "CPN Y GAIN"
(A)Y/ VIDEO OUT
(75Ω terminated)
(B)[Cross-Shaped]
(UP/DOWN)
button
(C)Y level
1.0Vp-p
(1) Select ADJUST MENU No.4 "CPN Y GAIN".
(2) Push the [Set] button so that "*" lighting, and
then push the [Cross-Shaped](UP/DOWN)
button so that the Y level is as specified.
(3) Push the [Set] button to store the adjustment.

JVC GY-HM790U Specifications

General

Sensor type	CCD
Total megapixels	- MP
Optical sensor size	1/3 \
Digital zoom	- x
Optical zoom	14 x
Image stabilizer	No
Focal length range	4.4 - 61.6 mm
Interchangeable lens	Yes
Focal length (35mm film equivalent)	32 - 448 mm
Camcorder media type	Memory card
Compatible memory cards	SDHC
Internal storage capacity	- GB
Built-in flash	-
Display diagonal	4.3 \
Display resolution	800 x 480 pixels
Display resolution (numeric)	410000 pixels
Viewfinder resolution	1226000 pixels
Viewfinder screen size	0.45 \
Camcorder type	Shoulder camcorder
Product color	Black
Video resolutions	1280 x 720, 1440 x 1080, 1920 x 1080 pixels
Supported video modes	1080i, 576i, 720p
Video formats supported	MPEG2
Maximum video resolution	1920 x 1080 pixels
Bitrate at maximum video resolution	35 Mbit/s
Maximum image resolution	- pixels
Headphone connectivity	3.5 mm
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Component video (YPbPr/YCbCr) out	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0
Battery capacity	- mAh
Battery life (max)	- h
Storage temperature (T-T)	-20 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Storage relative humidity (H-H)	0 - 85 %
Operating relative humidity (H-H)	30 - 80 %

Weight and Dimensions

Weight	3.7 g