JVC VF-HP790G User manual

For Customer Use:
Enter below the Serial No. which is located on the
body.
Retain this information for future reference.
Model No.
Serial No.
Thank you for purchasing this JVC product.
Before beginning to operate this unit, please read
the instructions carefully to ensure the best
possible performance.
STUDIO VIEWFINDER
VF-HP790G INSTRUCTIONS
LST1110-001A
VF-HP790G

II
Introduction
1.
Read all of these instructions.
2.
Save these instructions for later use.
PORTABLE CART WARNING
(symbol provided by RETAC)
S3125A
IMPORTANT SAFEGUARDS
4.
Unplug this appliance system from the wall outlet before cleaning. Do not use liquid cleaners or aerosol
cleaners. Use a damp cloth for cleaning.
5.
Do not use attachments not recommended by the appliance manufacturer as they may cause hazards.
6.
Do not use this appliance near water - for example, near a bathtub, washbowl, kitchen sink, or laundry tub, in a wet
basement, or near a swimming pool, etc.
7.
Do not place this appliance on an unstable cart, stand, or table. The appliance may fall,
causing serious injury to a child or adult, and serious damage to the appliance.
Use only with a cart or stand recommended by the manufacturer, or sold with the appliance.
Wall or shelf mounting should follow the manufacturer's instructions, and should use a
mounting kit approved by the manufacturer. An appliance and cart combination should be
moved with care.
Quick stops, excessive force, and uneven surfaces may cause the appliance and cart
combination to overturn.
8.
Slots and openings in the cabinet and the back or bottom are provided for ventilation, and to insure reliable operation of
the appliance and to protect it from overheating, these openings must not be blocked or covered. The openings should
never be blocked by placing the appliance on a bed, sofa, rug, or other similar surface.
This appliance should never be placed near or over a radiator or heat register.
This appliance should not be placed in a built-in installation such as a bookcase unless proper ventilation is provided.
9.
This appliance should be operated only from the type of power source indicated on the marking label. If you are not sure
of the type of power supplied to your home, consult your dealer or local power company. For appliance designed to
operate from battery power, refer to the operating instructions.
10.
For added protection for this product during a lightning storm, or when it is left unattended and unused for long periods
of time, unplug it form the wall outlet and disconnect the antenna or cable system. This will prevent damage to the
product due to lightning and power-line surges.
These are general IMPORTANT SAFEGUARDSand certain items may not apply to all appliances.
3.
All warnings on the product and in the operating instructions should be adhered to.
FOR USA
14.
Never push objects of any kind into this appliance through cabinet slots as they may touch dangerous voltage points or
short out parts that could result in a fire or electric shock. Never spill liquid of any kind on the appliance.
15.
Do not attempt to service this appliance yourself as opening or removing covers may expose you to dangerous voltage
or other hazards. Refer all servicing to qualified service personnel.
16.
Unplug this appliance from the wall outlet and refer servicing to qualified service personnel under the following conditions:
a. When the power cord or plug is damaged or frayed.
b. If liquid has been spilled into the appliance.
c. If the appliance has been exposed to rain or water.
d.
e. If the appliance has been dropped or the cabinet has been damaged.
f.
If the appliance does not operate normally by following the operating instructions. Adjust only those controls that
are covered by the operating instructions as improper adjustment of other controls may result in damage and will
often require extensive work by a qualified technician to restore the appliance to normal operation.
When the appliance exhibits a distinct change in performance - this indicates a need for service.
17.
When replacement parts are required, be sure the service technician has used replacement parts specified by the
manufacturer that have the same characteristics as the original part. Unauthorized substitutions may result in fire,
electric shock, or other hazards.
18.
Upon completion of any service or repairs to this appliance, ask the service technician to perform routine safety checks
to determine that the appliance is in safe operating condition.
13.
Do not overload wall outlets and extension cords as this can result in fire or electric shock.
12.
Follow all warnings and instructions marked on the appliance.
11.
Do not allow anything to rest on the power cord. Do not locate this appliance where the cord will be abused by persons
walking on it.

III
Safety Precautions
CAUTION:
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION
FOR USA AND CANADA
TO REDUCE THE RISK OF ELECTRIC
SHOCK. DO NOT REMOVE COVER (OR
BACK).
NO USER-SERVICEABLE PARTSINSIDE .
REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
The exclamation point within an equilateral
triangle isintended to alert the user to the
presence of important operating and
maintenance (servicing) instructionsin the
literature accompanying the appliance.
INFORMATION:
Thisequipment has been tested and found to comply with the limits
for aClass A digital device, pursuant to Part 15 of the FCC Rules.
These limitsare designed to provide reasonable protection against
harmful interference when the equipment isoperated in a
commercial environment.
Thisequipment generates, uses, and can radiate radio frequency
energy and, if not installed and used in accordance with the
instruction manual, may cause harmful interference to radio
communications.
Operation of thisequipment in aresidential areaislikely to cause
harmful interference in which case the user will be required to correct
the interference at hisown expense.
CAUTION:
CHANGES OR MODIFICAT IONS NOT APPROVED BY JVC
COULD VOID USER’S AUTHORITY TO OPERATE THE
EQUIPMENT.
THIS DEVICE COMPLIES WITH PART 15 OF THE FCC
RULES.
OPERAT ION IS SUBJECT TO THE FOLLOWING TWO
CONDITIONS: (1) THIS DEVICE MAY NOT CAUSE
HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST
ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING
INTERFERENCE THAT MAY CAUSE UNDESIRED
OPERAT ION.
The lightning flash with arrowhead symbol,
within an equilateral triangle isintended to
alert the user to the presence of uninsulated
“dangerous voltage” within the product’s
enclosure that may be of sufficient magnitude
to constitute arisk of electric shock to
persons.
POUR CANADA
ATTENTION
RISQUE D’ELECTROCUTION NE
PAS OUVRIR
ATTENTION: POUR EVITER TOUT RISQUE D’ELECTROCUTION
NE PAS OUVRIR LE BOITER.
AUCUNE PIECE INTERIEURE N’EST A REGLER
PAR L’UTILISATEUR.
SE REFERER A UN AGENT QUALIFIE EN CAS DE
PROBLEME.
Le symbole de l’éclair àl’intérieur d’un triangle
équilatéral est destiné à alerter l’utilisateur sur la
présence d’une “tension dangereuse” non isolée
dansle boîtier duproduit. Cette tension est
suffisante pour provoquer l’électrocution de
personnes.
Le point d’exclamation àl’intérieur d’un triangle
équilatéral est destiné à alerter l’utilisateur sur la
présence d’opérationsd’entretien importantesau
sujet desquellesdesrenseignementsse trouvent
dansle manuel d’instructions.
Cessymbolesne sont utilisésqu’aux Etats-Unis.
INFORMATION (FOR CANADA)
RENSEIGNEMENT (POUR CANADA)
ThisClass A digital apparatus complieswith Canadian
ICES-003.
Cet appareil numérique de laClass A est conforme à la
norme NMB-003duCanada.
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPLIANCE TO RAIN
OR MOISTURE.
CAUTION:
Thisunit should be used with 12V DC only.
To prevent electric shocksand fire hazards, do NOT use any
other power source.
AVERTISSEMENT:
ATTENTION:
Ce magnétoscope ne doit être utilisé que sur ducourant direct en 12V.
Afin d’eviter tout resque d’incendie oud’electrocution, ne pas utillser d’autres
sourcesd’alimentation électrique.
POUR EVITER LES RISQUES D’INCENDIE OU
D’ELECTROCUTION, NE PAS EXPOSER L’APPAREIL A
L’HUMIDITE OU A LA PLUIE.
NOTE:
The rating plate (serial number plate) ison the unit.
REMARQUE:
Laplaque signalétique (plaque dunuméro desérie) est située sur
le cadre inférieur de l’unité.
CAUTION:
To prevent electric shock, do not open the cabinet. No user
serviceable partsinside. Refer servicing to qualified service
personnel.
Due to design modifications, datagiven in thisinstruction book
are subject to possible change without prior notice.
The apparatus shall not be exposed to dripping or splashing and
that no objectsfilled with liquids, such as vases, shall be placed
close to the apparatus.

IV
Introduction
FOR EUROPE
Thisequipment isin conformity with the provisionsand
protection requirementsof the corresponding European
Directives. Thisequipment isdesigned for professional video
appliancesand can be used in the following environments:
●
Controlled EMC environment (for example, purpose-built
broad-casting or recording studio), and rural outdoors
environments.
In order to keep the best performance and furthermore for
electromagnetic compatibility we recommend to use cables
not exceeding the following lengths:
Safety Precautions
(continued)
Port Cable Length
VF CABLE Shield Cable 0.58 m
DC CABLE Shield Cable 5 m
SDI INPUT Coaxial Cable 2 m
Caution:
Where there are strong electromagnetic waves or magnetism, for
example near a radio or TV transmitter, transformer, motor, etc.,
the picture and the sound may be disturbed. In such case, please
keep the apparatus away from the sources of the disturbance.
Dear Customer,
Thisapparatus isin conformance with the valid European directivesand
standardsregarding electromagnetic compatibility and electrical safety.
European representative of Victor Company of Japan, Limited is:
JVC Technical ServicesEurope GmbH
Postfach 10 05 04
61145 Friedberg
Germany
Sehr geehrter Kunde, sehr geehrte Kundin,
diesesGerät stimmt mit den gültigen europäischen Richtlinien und
Normen bezüglich elektromagnetischer Verträglichkeit und
elektrischer Sicherheit überein.
Die europäische Vertretung für die Victor Company of Japan,
Limited ist:
JVC Technical ServicesEurope GmbH
Postfach 10 05 04
61145 Friedberg
Deutschland
Information for Users on Disposal of Old Equipment
[European Union]
This symbol indicates that the electrical and electronic
equipment should not be disposed as general household
waste at its end-of-life. Instead, the product should be handed
over to the applicable collection point for the recycling of
electrical and electronic equipment for proper treatment,
recovery and recycling in accordance with your national
legislation.
By disposing of this product correctly, you will help to conserve
natural resources and will help prevent potential negative
effects on the environment and human health which could
otherwise be caused by inappropriate waste handling of this
product. For more information about collection point and
recycling of this product, please contact your local municipal
office, your household waste disposal service or the shop
where you purchased the product.
Penalties may be applicable
for incorrect disposal of this waste, in accordance with national
legislation.
(Business users)
If you wish to dispose of this product, please visit our web
page http://www.jvc.eu to obtain information about the take-
back of the product.
[Other Countries outside the European Union]
If you wish to dispose of this product, please do so in
accordance with applicable national legislation or other rules
in your country for the treatment of old electrical and
electronic equipment.
Attention:
This symbol is only valid in the European
Union.

1
Introduction
Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PrecautionsDuring Use . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Namesof Partsand Functions(Front) . . . . . . . . . . . . . . . .3
Namesof Partsand Functions(Rear) . . . . . . . . . . . . . . . . . 4
Setup
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mounting on KA-790G . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Removing the Viewfinder . . . . . . . . . . . . . . . . . . . . . . . . 5
Connecting VF Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Mounting the Hood Cover (Provided) . . . . . . . . . . . . . . .6
Adjusting the Position . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Displaying the Images. . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Adjusting the Picture Quality . . . . . . . . . . . . . . . . . . . . . . . .6
Menu
Setting the Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Setting the Menuof thisViewfinder . . . . . . . . . . . . . . . . 7
Entering the CameraName . . . . . . . . . . . . . . . . . . . . . .7
Returning MenuSettingsto Default Settings. . . . . . . . . 7
Setting the CameraMenuof the GY-HM790 Series. . . . 7
MenuScreen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MAIN MENU Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
MARKER SETTING MenuScreen . . . . . . . . . . . . . . . . . 9
SHOOTING ASSIST MenuScreen . . . . . . . . . . . . . . . . 10
VIDEO FORMAT MenuScreen . . . . . . . . . . . . . . . . . . . 11
OTHERS MenuScreen . . . . . . . . . . . . . . . . . . . . . . . . . 12
Precautionswhen Using with the GY-HM790 Series. . . . . 12
Others
Ter m inal Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Tro ubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Thisproduct isan 8.4-inch color viewfinder for use i n t h e
GY-HM790CHU/GY-HM790U/GY-HM790CHE/GY-HM790E/
KA-790G studio system.
High Resolution
A large viewfinder with an 8.4-inch XGA (1024 x 768) LCD
panel.
Multi Scan
SupportsYPbPr input of HD (1080i 50/60, 720p 50/60) and
SD (480i 60, 576i 50).
[SDI INPUT] Terminal
In addition to the camera’sviewfinder image, SDI image can
be input to thisviewfinder.
Rich Marker
Equipped with Safety Zone display, two typesof Zebradisplay
and Focus Assist function, all of which are highly useful in the
studio.
Screen Menu Function
Yo ucan display the menuon the screen to set or adjust the
most appropriate monitor settingsfor the connecting system.
Yo ucan make settingsto the menus of thisviewfinder and the
GY-HM790 seriescamera(except for some parts).
Table of ContentsFeatures
How to use thismanual
䡵Symbolsused
Note : Describesprecautionsconcerning the operation
of thisproduct.
Memo : Describesreference information, such as
functionsand usage restrictionsof thisproduct.
A: Indicatesthe reference page numbersand
reference items.
䡵Content of thismanual
●All rightsreserved by JVC. Unauthorized duplication or
reprinting of thismanual, in whole or in part, isstrictly
prohibited.
●All other product namesused in thismanual are the
trademarksor registered trademarksof the respective
companies. Markssuch as ™, 姞, and 姝have been
omitted in thismanual.
●Illustrated designs, specificationsand other contentsof
thismanual are subject to change for improvement
without prior notice.

2
Introduction
Location of Storage and Use
䢇Do not place thisproduct at the following locations.
Doing so may cause the product to malfunction or break
down.
●Hot or cold placesbeyond the allowable operating
temperature range of 0 °C to +40 °C.
●Humid placesbeyond the allowable humidity range of
30 % RH to 80 % RH (non-condensing).
●Placesin the vicinity of astrong magnetic field, such as
near transformersor motors.
●Near equipment that emit radio waves, such as
transceiversor mobile phones.
●Placesthat are subject to dust or sand.
●Placesthat are subject to strong vibrations.
●Placesthat are susceptible to condensation, such as
near windows.
●Placesthat are subject to vapor or oil, such as kitchens.
●Placesthat emit radioactive raysor X-rays, and
corrosive gases.
䢇Noise may occur in the imagesor the colorsmay change
when thisproduct and itsconnecting wire are used in
placessubjected to strong radio or magnetic waves(e.g.,
near radios, TVs, transformers, or monitors).
Handlingthe Product
䢇Insufficient ventilation may result in malfunction of this
product. Make sure that objectsplaced around thisproduct
do not obstruct itsventilation.
䢇Do not place containersfilled with water (vases, plants,
cups, cosmetics, drugsand so on) on top of thisproduct.
Water getting into the interior of the equipment may result
in fire and electric shock.
Movingthe Product
Remove connecting cablesbefore moving thisproduct.
When moving thisproduct, do so after turning off the power of
the connecting camera, and make sure to unplug the cable
from thisproduct. Failure to do so may damage the cable,
causing fire or electric shock.
Maintenance
䢇Turn off the power of the connecting camerabefore
performing maintenance of thisproduct.
䢇Use asoft cloth to wipe the product. Do not wipe using
thinner or benzene, as doing so may cause the surface to
melt or turn cloudy. When there issignificant soiling, wipe
using acloth by dipping it in aneutral detergent that is
diluted with water, followed by cleaning using adry cloth.
䢇The exterior of thisproduct may change or the paint may
fall off when come into contact with rubber or vinyl products
for aprolonged period of time.
Energy Conservation
When thisproduct isnot used for aprolonged period of time,
turn off the power of the system for safety and energy
conservation purposes.
LCD Screen
Leaving the LCD screen exposed to the sun will damage the
LCD screen. Do not place the product outdoorsor near a
window.
Do not scratch or press hard on the LCD screen, or place
objectson top of the screen. Blotchesmay appear on the
screen and lead to malfunction of the LCD panel.
When using the product in cold places, horizontal stripesand
trailing imagesmay appear or the screen may appear dark.
These are not malfunctions. The screen will appear normal
again when the temperature rises.
Continuous display of still imagesmay cause residual images.
The screen will return to normal after some time.
When the product isin use, the screen or cabinet may
become warm. Thisisnot amalfunction.
Bright/Dark Spots
Bright spots(red, blue or green) and dark spotsthat are
continuously lit up may appear on the screen.
An LCD panel ismanufactured with extremely precise
technology. Although it consistsof more than 99.99 %
effective pixels, it may exhibit avery small number of
continuous bright or dark spotson the screen.
Maintainingthe LCD Screen
The surface of an LCD screen isspecially treated to control
reflectionsoff the surface. Improper maintenance may affect
the performance of the screen. Assuch, please adhere to the
following points.
●Use asoft cloth such as acleaning cloth or spectacles
cleaning cloth to lightly wipe off any dirt on the surface of
the screen.
●When there issignificant soiling, wipe using asoft cloth
such as acleaning cloth or spectaclescleaning cloth
soaked with abit of water.
●Do not use alcohol, benzene, thinner, acidic, alkaline or
abrasive cleaning fluid, or chemical wiping cloth to clean
the screen as they will scratch the surface.
Disposal
●Do not dispose thisproduct with other normal waste
products.
Do not throw the monitor into the rubbish that will be sent to
the dumping-ground.
●The fluorescent tube of thisproduct containsmercury.
Follow the rulesand regulationsof the local authoritiesfor
disposal.
PrecautionsDuringUse

3
A[MENU] Dial (Button)
●When the normal screen isdisplayed, press thisdial for
more than 1 second to display the menuof the camera.
The menuof the cameraisdisplayed when the
[INPUT SOURCE] setting of thisviewfinder isset to [VF]
and the GY-HM790 seriesisin the cameramode.
●When the menuof thisviewfinder isdisplayed, scroll this
dial up and down to move the cursor (X) up and down to
select an item.
●When the menuof the cameraisdisplayed, use thisdial to
select the menuitem and setting value. Press the dial to
confirm the selected item.
B[STATUS/MENU] Button
●When the normal screen isdisplayed, press thisbutton to
display the additional information. The additional
information that isdisplayed variesaccording to the input
image.
●Image from the camera’sviewfinder:
Displaysof [CAMERA NAME] or [SAFETY ZONE],
[CENTER MARK], [ASPECT MARKER], [ZEBRA],
[SPOT METER], [STATUS] set in the GY-HM790 series.
●Image from thisviewfinder’s[SDI INPUT] terminal:
Displaysof [SAFETY ZONE], [CENTER MARK],
[ASPECT MARKER], [ZEBRA], [CAMERA NAME] set in the
menuof thisviewfinder.
●When the normal screen isdisplayed, press thisbutton for
more than 1 second to display the menuof thisviewfinder.
●When the menuof the cameraisdisplayed, the menu
display switchesevery time thisbutton ispressed for more
than 1 second.
(Camera’smenu1[FavoritesMenu])
●When the menuof thisviewfinder or the camerais
displayed, press thisbutton to return to the normal screen.
Memo：
●Additional information doesnot appear in [1 : 1] display.
●The status of displaying or hiding the additional information
isnot saved. And the additional information isalways
displayed upon startup.
C[BRIGHT] Adjustment Control
For adjusting the brightness of the screen. Turn to the right to
brighten and to the left to darken.
Memo：
●When the camera’sviewfinder image isinput, the [VF
BRIGHT] adjustment knobon the cameraisdisabled.
D[CONTRAST] Adjustment Control
For adjusting the contrast of the screen. Turn to the right to
increase the contrast and to the left to decrease the contrast.
E[PEAKING] Adjustment Control
For adjusting the peaking of the screen. Turn to the right to
sharpen the contour and to the left to soften.
Memo：
●Thisadjustment control isdisabled when the Focus Assist
isactivated.
●When the camera’sviewfinder image isinput, the [VF
PEAKING] adjustment knobon the cameraisdisabled.
F[1 : 1] Button
Makesfocusing easier when displaying HD videos.
Press thisbutton to display the input video signalsin 1: 1 ratio
without resizing. The [ASPECT MARKER], [SAFETY ZONE],
[CENTER MARK], [ZEBRA], [SPOT METER],
[CAMERA NAME], [CAMERA STATUS] display will be
temporarily AOFFBduring thisdisplay.
Memo：
●Control status of the [1 : 1] button isnot saved.
●Thisbutton isdisabled when [INPUT SOURCE] isset to
ASDIBand SD-SDI signalsare input from the
[SDI INPUT] terminal.
●[1 : 1] display isAOFFBin the following cases.
●When the power isturned on
●When the menuof thisviewfinder or the camerais
displayed
●When the video format of the display image ischanged
●When changed to the return video
G[FOCUS ASSIST] Button
Press thisbutton to display the focus section in color.
Accurate focusing can be done. (PEAKING cannot be
adjusted.)
Memo：
●The color and level of the focus section can be changed at
the Menuscreen. (APage 10)
●When connected to the GY-HM790 series, the
[FOCUS ASSIST] button on the cameraisdisabled.
●When the return video isdisplayed, the setting of the
[FOCUS ASSIST] button on thisviewfinder isdisabled.
●When connected to the GY-HM790 series, the viewfinder
will not operate under the following conditions.
During BARS ON, SKIN COLOR ADJUST or SKIN AREA
SW ON
HTALLY Lamp
Displaysthe monitor status of the input screen, either in red or
green.
When Tally PGM (Program) signalsare input, the lamp lights
up in red.
When Tally PVM (Preview) signalsare input, the lamp lights
up in green.
When CALL signalsare input, the lamp blinksin red.
Namesof Partsand
Functions(Front)
MENU
STATUS
BRIGHT
CONTRAST
PEAKING
1:1
FOCUS
ASSIST
5
6
4
5
6
4
C
D
E
F
G
H
A
B

4
Introduction
ITALLY Lamp
Displaysthe monitor status of the input screen in red.
The lamp lightsup in red only when Tally PGM (Program)
signalsare input.
Memo：
●Use [TALLY] switch Kto turn ON/OFF the display function
of thislamp.
JVF CABLE HOLDER
For clamping the provided VF cable when connecting it to the
input terminal.
Memo：
●When connecting the VF cable, secure the cable with the
holder to prevent it from disconnecting. (APage 5)
K[TALLY] Switch
For turning ON/OFF the TALLY lamp I.
ON : TALLY isenabled.
OFF : TALLY isdisabled.
Memo：
●Thisswitch doesnot affect the operation of the TALLY
lampsHon the screen.
LDIP Switch
Do not touch as the switch function iscurrently not available.
M[VF CABLE] Input Terminal
For connecting to the VF output terminal (20-pin) of the
GY-HM790 seriesusing the provided VF cable.
N[SDI INPUT] Terminal
The input terminal for SDI video signals.
To d i splay the image from thisterminal, set [INPUT SOURCE]
in the [VIDEO FORMAT] menuto ASDIB. (APage 11)
To use the image from thisterminal as return signals, set
[SDI RETURN] to AONBwhile [INPUT SOURCE] isbeing set
to AVFB.
Memo：
●Yo ucan select the desired video format using
[FRAME RATE] and [FORMAT] in the [VIDEO FORMAT]
menu. (APage 11)
O[DC INPUT] Terminal (XLR type, 4-pin)
Thisviewfinder can be operated by connecting to an external
power supply of DC 12 V. (When thisviewfinder isconnected
to the GY-HM790 series, it isnot necessary to connect an
external power supply to thisterminal.)
Namesof Partsand
Functions(Rear)
DC INPUT SDI INPUT
VF CABLE TALLY
ON
OFF
K
M
N
O
J
I
L

5
Setup
Mountingon KA-790G
1Rotate the lock lever in the arrow direction ( )
asshown in the diagram below.
2Alignthebracketforviewfindermountontopof
KA-790G with the groove at the viewfinder mount
base and insert from the back of the camera head.
3Ro t a t e t h e v ie w f i n d e r l o ck l ev er i n t h e ar row
direction ( ) asshown below and secure the
viewfinder to KA-790G.
Removingthe Viewfinder
1While pressingthe Release button, slide the
viewfinder toward the back of the camera head and
remove.
ConnectingVF Cable
Before connecting the VF cable, be sure to turn off the
POWER switch on the cameraor on the remote control unit.
Connect the viewfinder’s[VF CABLE] terminal to the [VF]
terminal of the GY-HM790 serieswith the provided VF cable.
Note：
●Be sure to use the cable provided with thisviewfinder.
The cable provided with VF-HP840U cannot be used.
1Insert the provided VF cable fully to the [VF
CABLE] terminal.
2Loosen the set screw on the cable holder, tilt the
holder at an angle and insert the VF cable from the
bottom into the groove on the holder.
3Press the cable holder squarely against the
viewfinder and secure the set screw.
If the cable holder isslanted, the set screw cannot be secured
and it may damage the screw hole on the viewfinder.
Note：
●Be sure to turn off the viewfinder and the camerabefore
connecting or disconnecting the cable.
Installation
1
2
3
Mount Base
Bracket for Viewfinder Mount
Lock Lever
1
2
Push
Release Button
Lock Lever
VF Cable
Cable Holder
Set Screw
VF Cable
(Good) (No good)

6
Setup
Mountingthe Hood Cover (Provided)
1Align the hood cover with the groove on top of
the viewfinder screen and insert from the top.
2Secure with the screw located at the center,
below the viewfinder screen.
1Loosen the panningand tilt lock handle to adjust
the angle of the viewfinder and secure it at an
appropriate angle for easy viewing.
Memo：
●It may be difficult to view the LCD screen at some angles.
View from the direct front angle of the screen.
1Set the POWER switch on remote control unit or
camera to AONB, to display the image on the
viewfinder.
Memo：
●Depending on the system environment, it may take up to
10 secondsbefore the image isdisplayed.
●Select the image to display using [INPUT SOURCE] in the
[VIDEO FORMAT] menu. (Image from the camera’s
viewfinder or thisviewfinder’s[SDI INPUT] terminal)
(APage 11)
1Turn the [BRIGHT] control to adjust the
brightness of the screen.
To brighten, turn to the right.
2Turn the [CONTRAST] control to adjust the
contrast of the screen.
To increase the contrast, turn to the right.
3Turn the [PEAKING] control to adjust the
peaking.
To sharpen the contour, turn to the right.
Memo：
●Yo ucan set the frequency band where the contour is
emphasized with the [PEAKING] control in
[PEAKING FREQ.] of the [SHOOTING ASSIST] menu
screen. (APage 11)
●Yo ucan adjust the brightness of the LCD backlight using
[BACK LIGHT] in the [OTHERS] menu. (APage 12)
●When thisviewfinder isused, itsdisplay isalwayson
regardless of the [LCD+VF] setting in the [LCD+VF] menu
of the GY-HM790 series.
Note：
●After switching off the power on the cameraor remote
control unit, wait for 10 secondsor more before turning on
the power switch again.
●Turning ON/OFF the power switch in quick succession may
cause malfunction.
Installation (continued)
Adjustingthe Position
Screw
Panning
Tilt
Panning and Tilt Lock Handle
Displayingthe Images
Adjustingthe Picture Quality
MENU
STATUS
BRIGHT
CONTRAST
PEAKING
1:1
FOCUS
ASSIST
5
6
4
5
6
4
[BRIGHT] Control
[CONTRAST] Control
[PEAKING] Control

7
Menu
Settingthe Menu of thisViewfinder
1Press the [STATUS/MENU] button for 1 second
or more duringnormal screen display.
The [MAIN MENU] screen appears.
2Turn the [MENU] dial to move the cursor to the
desired menu screen.
3Press the [MENU] dial.
The selected menuscreen appears.
●Selecting [EXIT] on the [MAIN MENU] screen will return
the screen to the normal screen.
4Turn the [MENU] dial to move the cursor to the
item to be set and press the [MENU] dial.
The setting value of the item blinks.
●Selecting [PAGE BACK] on the menuscreen will return the
screen to the [MAIN MENU] screen.
5Turn the [MENU] dial to change the settingvalue.
6Press the [MENU] dial to stop the blinkingof the
settingvalue.
The setting value issaved at thispoint.
7To change other settings, repeat the above steps
3to 6.
8After all settings are complete, press the
[STATUS/MENU] button.
Thisreturnsto the normal screen.
Enteringthe Camera Name
1Display the [OTHERS] menu screen.
2Turn the [MENU] dial to move the cursor to
[NAME EDIT].
3Press the [MENU] dial.
The first character blinks.
4Turn the [MENU] dial to select any character.
5Press the [MENU] dial to confirm the character.
The next character blinks.
6Repeat the above steps4and 5to enter 6
characters.
To e n t e r atitle of less than 6 characters, use space.
7After all the charactersare entered, press the
[STATUS/MENU] button.
Thisreturnsto the normal screen.
Memo：
●To d i splay the cameraname on the Status screen, set
[CAMERA NAME] in the [OTHERS] menuscreen to AONB.
ReturningMenu Settings to Default Settings
At the [OTHERS] menuscreen, set [MENU RESET] to
AEXECUTEBand press the [MENU] dial to return the menu
settingsto default settings.
Settingthe Camera Menu of the GY-HM790 Series
The menuof the cameracan be set when [INPUT SOURCE]
isset to AVFBand the GY-HM790 seriesisin the Camera
mode.
1When the normal screen isdisplayed, press the
[MENU] dial for more than 1 second.
The camera’s[MAIN MENU] screen appears.
2 Follow the procedure from step 2 onwardsin
[Settingthe Menu of thisViewfinder] (
A Page7).
Memo：
●When the menuof the cameraisdisplayed, the menu
display switchesevery time the [STATUS/MENU] button is
pressed for more than 1 second.
(Camera’smenu1[FavoritesMenu])
●Operationsthat involve moving the cursor horizontally
cannot be performed on thisviewfinder.
●For detailson the menuof the camera, refer to the
[INSTRUCTIONS] of the GY-HM790 series.
Settingthe Menu
MENU
STATUS
BRIGHT
CONTRAST
PEAKING
1:1
FOCUS
ASSIST
5
6
4
5
6
4
[MENU] Dial
[STATUS/MENU]
Button
-- M AIN M ENU - -
M ARKER SETT I NG . .
SHOOTING ASSIST. .
V I D EO F OR
M AT . .
OTHERS . .
EX I T
-- M ARKER SETT I NG - -
ASPECT TYPE V I DEO
RAT I O 1 6 : 9
POS I T I ON CENTER
ASPECT
M ARKER ON
TYPE L I NE+HALF
SAFETY ZONE ON
SIZE 95
%
CENTER M ARK ON
PAGE BACK
-- OTHERS --
CA
M ERA NA M E ON
NAME ED I T HP790G
BLACK&
W HITE COLOR
M ENU RESET CANCEL
PAGE BACK
B AC K L I G H T MAX

8
Menu
The Menuscreen consistsof the following structure as shown below.
MAIN MENU Screen
Menu Screen
-- M ARKER SETT I NG - -
ASPECT TYPE V I DEO
RAT I O 1 6 : 9
POS I T I ON CENTER
ASPECT
M ARKER ON
TYPE L I NE+HALF
SAFETY ZONE ON
SIZE 95
%
CENTER M ARK ON
PAGE BACK
-- M AIN M ENU - -
M ARKER SETT I NG . .
SHOOTING ASSIST. .
V I D EO F OR
M AT . .
OTHERS . .
EX I T
-- SHOOTING ASSIST --
FOCUS ASS I ST BLUE
LEVEL M IDDLE
ZEBRA 2PATTERNS
TOP1 8 0
%
BOT TO M 170 %
TOP2 OVER
BOT TO
M 280 %
PEAK I NG FREQ . M IDDLE
PAGE BACK
-- VIDEO FOR M AT - -
I NPUT SOURCE VF
I NPUT S I GNAL AU
T O
FRAME RATE - - --
FOR
M AT - - --
ASPECT [SD ] 4 : 3
PAGE BACK
- - OTHERS - -
CA
M ERA NA M E ON
NAME ED I T HP7 9 0G
BLACK&
W HITE COLOR
PAGE BACK
BACK LIGHT MAX
MENU RESET CANCEL
SDI RETURN O
F F
Menu Screen Description
MARKER SETTING .. Thisitem setsthe various markersto be displayed in the images.
SHOOTING ASSIST .. Thisitem setsthe shooting assist function.
VIDEO FORMAT .. Thisitem setsthe format for video input or SDI video input.
OTHERS .. Thisitem setsthe cameraname and initializesthe menu.
EXIT Thisreturnsto the normal screen.

9
MARKER SETTING Menu Screen
Settingsin bold are factory default settings.
Memo：
●The [MARKER SETTING] menuisvalid for the image from thisviewfinder’s[SDI INPUT] terminal. When [INPUT SOURCE] in
the [VIDEO FORMAT] menuisset to AVFB, all itemsin the [MARKER SETTING] menuappear as A----Band cannot be
selected. For the image from the camera’sviewfinder, set the [Marker Setting] menuon the cameraby using the [MENU] dial to
control the menuof the camera(APage 7).
Item Setting ValueDescription
ASPECT TYPE VIDEO
CINEMA
Thisitem setsthe purpose of the marker.
VIDEO : Aspect for TV broadcast shooting.
CINEMA : Aspect for cinemashooting.
Memo：
●When the input format is4:3, ACINEMABcannot be selected. ([VIDEO] isdisplayed.)
RATIO Thisitem setsthe aspect ratio of the marker. It displaysthe configured aspect ratio of the
marker. When set to A16:9+4:3B, the 16:9 and 4:3marker are displayed at the same
time.
Memo：
●A16:9+4:3Bisdisplayed when the VIDEO FORMAT at the cameraisHD mode.
When ASPECT
TYPE isset to
AVIDEOB
16:9
4:3
14:9
16:9+4:3
When ASPECT
TYPE isset to
ACINEMAB
2.35:1
1:66:1
1:75:1
1:85:1
POSITION CENTER
C.HEADRM
Thisitem setsthe display position of the marker.
CENTER : Setsthe display position of the marker at the center of the screen.
C.HEADRM : Setsthe display position of the marker at the upper side of the screen.
Memo：
●AC.HEADRMBcan only be set when [RATIO] isA2.35:1Bor A1:85:1B. For other
settings, [CENTER] will be displayed and setting isdisabled.
ASPECT MARKER OFF
ON
Thisitem setsthe marker outside the aspect area.
OFF : Cancelsthe marker outside the aspect area.
ON : Displaysthe marker outside the aspect area.
Memo：
●When cameraoutput isset to BARS, thisfunction isAOFFBduring Return Video
display, 1:1 display and when status display isOFF.
TYPE LINE
HALFTONE
LINE+HALF
Thisitem setsthe type of labeling for markersoutside the aspect area.
LINE : Displaysthe aspect areain lines.
HALFTONE : Displaysthe image level outside the aspect areain half the brightness.
LINE+HALF : Displaysthe aspect areain linesand setsoutside the areain half the
brightness.
SAFETY ZONE OFF
ON
Thisitem setsthe marker inside the aspect area.
OFF : Cancelsthe marker inside the aspect area.
ON : Displaysthe marker inside the aspect area.
Memo：
●When cameraoutput isset to BARS, thisfunction isAOFFBduring Return Video
display, 1:1 display and when status display isOFF.
SIZE 95 %,
93%, 90 %
88 %, 80 %
Thisitem setsthe display percentage for markersinside the aspect area.
CENTER MARK OFF
ON
Thisitem setswhether to display markersin the center.
OFF : Cancelsthe center marker.
ON : Displaysthe center marker.
Memo：
●When cameraoutput isset to BARS, thisfunction isAOFFBduring Return Video
display, 1:1 display and when status display isOFF.
PAGE BACK ^Thisreturnsto the [MAIN MENU] screen.

10
Menu
SHOOTING ASSIST Menu Screen
Settingsin bold are factory default settings.
Menu Screen (continued)
Item Setting ValueDescription
FOCUS ASSIST RED
GREEN
BLUE
Thisitem setsthe display color of the focus section when the FOCUS ASSIST
function isoperated.
Thisitem isenabled when [INPUT SOURCE] in the [VIDEO FORMAT] menuisset to
ASDIB.
RED : Displaysthe focus section in red.
GREEN : Displaysthe focus section in green.
BLUE : Displaysthe focus section in blue.
Memo：
●When [INPUT SOURCE] in the [VIDEO FORMAT] menuisset to AVFB, all itemsin
the [MARKER SETTING] menuappear as A----Band cannot be selected. For the
image from the camera’sviewfinder, set the [Marker Setting] menuby using the
[MENU] dial to control the menuof the camera(APage 7).
●The [FORMAT] button of the GY-HM790 seriesisdisabled.
LEVEL LOW
MIDDLE
HIGH
Thisitem setsthe focus level during the FOCUS ASSIST operation.
LOW : Displaysthe focus section.
MIDDLE : Emphasizesthe focus section.
HIGH : Further emphasizesthe focus section.
ZEBRA OFF
1 PAT T E R N
2 PAT T E R N S
Select whether to display Zebraand the display format.
Thisitem isenabled when [INPUT SOURCE] in the [VIDEO FORMAT] menuisset to
ASDIB.
OFF : Doesnot display Zebra.
1PATTERN : Displaysthe brightness set between [TOP1] and [BOTTOM1] in Zebra.
2PATTERNS : In addition to [1PATTERN], thisdisplaysthe brightness set between
[TOP2] and [BOTTOM2] in Zebra.
Memo：
●When [INPUT SOURCE] in the [VIDEO FORMAT] menuisset to AVFB, all itemsin
the [MARKER SETTING] menuappear as A----Band cannot be selected. For the
image from the camera’sviewfinder, set thisfunction using the [MENU] dial to
control the menuof the camera(APage 7).
TOP1
5 % ~ 80 % ~ 100 %
OVER
Thisitem setsthe upper limit of the brightness of Zebra1.
5 % ~ 100 % : Displaysthe brightness below thissetting as Zebra. (The value can be
set in intervalsof 5 %.)
OVER : Cancelsthe upper limit of the brightness of the displayed Zebra.
Memo：
● When [ZEBRA] isset to A OFF B , A ----- B will be displayed and setting isdisabled.
BOTTOM1 0 % ~ 70 % ~ 100 % Thisitem setsthe lower limit of the brightness of Zebra1.
0 % ~ 100 % : Displaysthe brightness above thissetting as Zebra. (The value can
be set in intervalsof 5 %.)
Memo：
● When [ZEBRA] isset to A OFF B , A ----- B will be displayed and setting isdisabled.
TOP2 5 % ~ 100 %
OVER
Thisitem setsthe upper limit of the brightness of Zebra2.
5 % ~ 100 % : Displaysthe brightness below thissetting as Zebra. (The value can be
set in intervalsof 5 %.)
OVER : Cancelsthe upper limit of the brightness of the displayed Zebra.
Memo：
●When [ZEBRA] isset to AOFFBor A1 PAT T E R N B, A-----Bwill be displayed and
setting isdisabled.
BOTTOM2
0 % ~ 80 % ~ 100 % Thisitem setsthe lower limit of the brightness of Zebra2.
0 % ~ 100 % : Displaysthe brightness above thissetting as Zebra. (The value can be
set in intervalsof 5 %.)
Memo：
●When [ZEBRA] isset to AOFFBor A1PATTERNB, [----] will be displayed and setting
isdisabled.

11
VIDEO FORMAT Menu Screen
Settingsin bold are factory default settings.
Item Setting ValueDescription
PEAKING FREQ. LOW
MIDDLE
HIGH
Thisitem setsthe frequency band where the contour isemphasized with the
[PEAKING] control.
LOW : Emphasizesthe low frequency band.
MIDDLE : Emphasizesthe intermediate frequency band.
HIGH : Emphasizesthe high frequency band.
Memo：
●Thisitem isdisabled when the Focus Assist isactivated.
PAGE BACK ^Thisreturnsto the [MAIN MENU] screen.
Item Setting ValueDescription
INPUT SOURCE VF
SDI
Select the input image to display on the LCD screen.
VF : Inputsthe image from the camera’sviewfinder.
SDI : Inputsthe image from thisviewfinder’s[SDI INPUT] terminal.
SDI RETURN OFF
ON
Thisitem setswhether to use the signalsinput to thisviewfinder’s[SDI INPUT]
terminal as return signals.
OFF : Return signalsare supplied by the camera. Doesnot use the signalsinput to the
[SDI INPUT] terminal.
ON : Usesthe signalsinput to the [SDI INPUT] terminal as the return signals.
Memo：
●When [INPUT SOURCE] isset to ASDIB, thisitem appearsas A----Band cannot
be selected.
INPUT SIGNAL AUTO
MANUAL
Select whether to automatically detect the video format of the input signals.
AUTO : Automatically detectsthe video format.
MANUAL : The video format isnot automatically detected; select the video format
using [FRAME RATE] or [FORMAT].
Memo：
●When the return video isinput, set thisitem to AAUTOB.
FRAME RATE 60
50
Thisitem setsthe frame rate of the input signals.
60 : Select thiswhen the frame rate of the input signalsis60 Hz.
50 : Select thiswhen the frame rate of the input signalsis50 Hz.
Memo：
●When [INPUT SIGNAL] isset to AAUTOB, thisitem appearsas A----Band cannot
be selected.
FORMAT Select the format of the input signals.
1080I : Select thiswhen the input signal isHD1080i.
720P : Select thiswhen the input signal isHD720p.
480I : Select thiswhen the input signal isSD480i.
576I : Select thiswhen the input signal isSD576i.
Memo：
●When [INPUT SIGNAL] isset to AAUTOB, thisitem appearsas A----Band cannot
be selected.
●If [System Definition] of the GY-HM790 seriesisset to ASD (DV)Bwhen
[INPUT SOURCE] isset to AVFB, select A1080IB.
●When thisitem isset to A720PBwhile the [INPUT SOURCE] isset to AVFB, the
return video supplied by the cameraisnot displayed.
●A480IBor A576IBcan only be selected when [INPUT SOURCE] isset to ASDIB.
When FRAME
RATE isset to
60
1080I
720P
480I
When FRAME
RATE isset to
50
1080I
720P
576I
ASPECT[SD] 4:3
16:9
Thisitem setsthe aspect of the screen display when SD signalsare input.
Thisitem isenabled only when SDI signalsare input to the [SDI INPUT] terminal
while [INPUT SOURCE] in the [VIDEO FORMAT] menuisset to ASDIB.
4:3: Displays4:3input signalsas-is.
16:9 : Displays4:3imagesin 16:9. Thisisvalid when the input signalsare at
SQUEEZE.
PAGE BACK ^Thisreturnsto the [MAIN MENU] screen.

12
Menu
OTHERS Menu Screen
Settingsin bold are factory default settings.
䡵Itemswith restricted operation at VF-HP790G dependingon camera settings
Menu Screen (continued)
Item Setting ValueDescription
CAMERA NAME OFF
ON
Thisitem setswhether to display the cameraname on the STATUS screen.
OFF : Doesnot display.
ON : Display.
Memo：
●The cameraname isnot displayed during MENU display.
NAME EDIT A to Z, 0 to 9,
- . / [ ]
Enter the cameraname.
Up to 6 characterscan be entered. (APage 7)
The default setting isAHP790GB.
BLACK & WHITE COLOR
B&W
Thisallowsthe imagesto be viewed in black and white.
Thisitem isenabled when [INPUT SOURCE] in the [VIDEO FORMAT] menuisset to
ASDIB. (APage 11)
COLOR : Displayscolor images.
B&W : DisplaysB&W images.
Memo：
●For the image from the camera’sviewfinder, set thisfunction by using the [MENU]
dial to control the menuof the camera(APage 7).
BACK LIGHT MIN, 1 to 9, MAX Thisitem adjuststhe brightness of the LCD backlight.
Increase the value to increase the brightness.
MENU RESET CANCEL
EXECUTE
Thisitem returnsall menusettingsto factory default settings.
CANCEL : CancelsMenuReset.
EXECUTE : ExecutesMenuReset.
PAGE BACK ^Thisreturnsto the [MAIN MENU] screen.
Precautionswhen Using
with the GY-HM790 Series
Setting Item Setting ValueRestricted Operation
Tally System Studio The TALLY lamp displaysTALLY(PGM/PVM), CALL and warning from the remote
control.
Other than Studio The TALLY lamp displaysthe cameraoperation status and warning.

13
Others
VF Terminal
20-pin Connector
DC INPUT Terminal
4-pin Connector
Terminal Specifications
Pin No. Name IN/OUT
1D0+ IN
2GND0 ^
3GND ^
4 12 V IN
5SCL(D3-) IN
6D0- IN
7CLK+ IN
8CLK- IN
9GNDC ^
10 SDA (D3+) IN
11 D1+ IN
12 GND 1 ^
13D2+ IN
14 GND ^
15 VF_SEN (GND3)IN
16 D1- IN
17 GND2 ^
18 D2- IN
19 NRESET IN/OUT
20 VF_D_IN OUT
Pin No. Name IN/OUT
1GND ^
2NC ^
3NC ^
4+12V IN
345
2
1
8910
7
6
1314 1512
11
18 19 2017
16
1
23
4
345
2
1
8910
7
6
1314 15 12
11
18 19 20
17
16
[VF CABLE] Connector [DC INPUT] Connector

14
Others
䡵General
Connecting Device : GY-HM790 series
Power Supply : 12 V DC
(11 V DC to 18 V DC)
Power Consumption : Approx. 11 W and
below
Ambient Temperature : 0 °C to 40 °C
Allowable Operating Humidity : 30 % RH to 80 % RH
Mass : 1.6 kg(excluding hood)
1.9 kg(including hood)
䡵LCD Specifications
Screen Size : 8.4 inch
Aspect Ratio : 4:3
LCD Panel : TFT-LCD
Resolution : 1024 x 768 dots(XGA)
Display Color : Approx. 16.77 million
colors
View Angle (Standard) : 60°/50°/65°/65°
(Top/Bottom/Left/Right)
Brightness :300 cd/m²
Contrast Ratio : 400:1
䡵Input Terminal
SDI Input : HD/SD SDI video signal input, BNC
(unbalanced)
HD-SDI : Compliant with SMPTE 259 M
SD-SDI : Compliant with SMPTE 292 M
䡵Accessories
Instructions...........................................................................1
Warranty Card (For USA & Canada) ....................................1
VF Cable ..............................................................................1
Hood Cover ..........................................................................1
Troubleshooting
TroubleshootingCheck Point
Power doesnot turn on Insert the VF cable or power cable fully.
Turn on the power supply of the GY-HM790 series/RM-HP250.
There are no imagesInsert the VF cable fully.
Turn on the power supply of the GY-HM790 series/RM-HP250 and set the correct
settings.
Check the setting of [INPUT SOURCE] in the [VIDEO FORMAT] menu. (APage 11)
Is[INPUT SIGNAL] in the [VIDEO FORMAT] menuset to AMANUALB? In thiscase,
set it to AAUTOBor set the video format correctly. (APage 11)
The color isincorrect / There isno color Insert the VF cable or power cable fully.
Adjust the [CONTRAST] and [BRIGHT] adjustment controls.
Is[BLACK & WHITE] in the [OTHERS] menuset to AB&WB? In thiscase, set it to
ACOLORB. (APage 12)
Blurry imagesAdjust the [BRIGHT] and [PEAKING] adjustment controls.
The field angle size of the viewfinder is
wrong
Check the settingson page 11.
The imagesappear distorted Check the settingson page 11.
Specifications

15
Dimensional Outline Drawing(Unit: mm)
* The specificationsand appearance of thisproduct and other related productsmay be modified for improvement without prior
notice.
With Hood Without Hood
261
130
261
195
184
90
67
12
MENU
STATUS
BRIGHT
CONTRAST
PEAKING
1:1
FOCUS
ASSIST
5
6
4
5
6
4
5
6
4

LST1110-001A
VF-HP790G STUDIO VIEWFINDER
© 2010 Victor Company of Japan, Limited