Enter below the Model No. and the Serial
No. which is located on the rear panel of the
cabinet. Retain this information for future
reference.
INSTRUCTIONS
Model No.
Serial No.
LCT1389-001B
INSTRUCTIONS
Thank you for purchasing this JVC Monitor.
Model
GM-V42UG
GM-V42UB
This instruction manual refers to the GM-V42UG and GM-V42UB.
The differences between these two models are its color and class of EMC: GM-V42UG is gray and is categorized in class A,
while GM-V42UB is silver and is categorized in class B.
Before using the monitor, read this manual carefully so
that you know how to use the Monitor correctly.
Refer to this manual whenever questions or problems
about operation arise. Be sure to read and observe the
safety precautions.
Keep this manual where the user can see it easily.
* Installation and removal require special expertise.
CAUTION: Changes or modifications not approved by JVC could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is
operated in a commercial environment. This equipment 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 this equipment in a residential area is likely to cause harmful interference in which case the user will be required to
correct the interference at his own expense.
■ GM-V42UB
CAUTION: Changes or modifications not approved by JVC could void the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance
with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
– Reorient or relocate the receiving antenna.
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.
IMPORTANT INFORMATION
WARNING:TO REDUCE THE RISK OF FIRE AND ELECTRIC SHOCK, DO NOT EXPOSE THIS
PRODUCT TO RAIN OR MOISTURE.
IMPORTANT SAFEGUARDS
Electrical energy can perform many useful functions. This unit has been engineered and manufactured to assure
your personal safety. But IMPROPER USE CAN RESULT IN POTENTIAL ELECTRICAL SHOCK OR FIREHAZARD. In order not to defeat the safeguards incorporated into this product, observe the following basic rules for
its installation, use and service. Please read these “Important Safeguards” carefully before use.
– All the safety and operating instructions should be read before the product is operated.
– The safety and operating instructions should be retained for future reference.
– All warnings on the product and in the operating instructions should be adhered to.
– All operating instructions should be followed.
– Unplug this product from the wall outlet before cleaning. Do not use liquid cleaners or aerosol cleaners. Use a damp
cloth for cleaning.
– Use a vacuum cleaner to get rid of the dust around the intakes (all the
openings) on the rear. If a vacuum is not available, use a cloth and wipe it off.
Failure to do so will cause internal heat buildup and, therefore, cause damage
to the product.
– Do not use attachments not recommended by the product manufacturer as
they may be hazardous.
– Do not use this product near water. Do not use immediately after moving from
a low temperature to high temperature, as this causes condensation, which
may result in fire, electric shock, or other hazards.
– Do not place this product on an unstable cart, stand, or table. The product
may fall, causing serious injury to a child or adult, and serious damage to the product. The product should be mounted
according to the manufacturer’s instructions, and should use a mount recommended by the manufacturer.
2
– When the product is used on a cart, care should be taken to avoid quick stops, excessive force, and
uneven surfaces which may cause the product and cart to overturn, damaging equipment or causing
possible injury to the operator.
– Slots and openings in the cabinet are provided for ventilation. These ensure reliable operation of the
product and protect it from overheating. These openings must not be blocked or covered. (The openings
should never be blocked by placing the product on bed, sofa, rug, or similar surface. It should not be placed in a built-in
installation such as a bookcase or rack unless proper ventilation is provided and the manufacturer’s instructions have
been adhered to.)
For proper ventilation, separate the product from other equipment, which may prevent ventilation and keep distance
15
more than 10 cm (3
/16 inches).
– This product should be operated only with the type of power source indicated on the label. If you are not sure of the
type of power supply to your home, consult your product dealer or local power company.
– This product is equipped with a three-wire plug. This plug will fit only into a grounded power outlet. If you are unable to
insert the plug into the outlet, contact your electrician to install the proper outlet. Do not defeat the safety purpose of
the grounded plug.
– Power-supply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or
against them. Pay particular attention to cords at doors, plugs, receptacles, and the point where they exit from the
product.
– For added protection of this product during a lightning storm, or when it is left unattended and unused for long periods
of time, unplug it from the wall outlet and disconnect the cable system. This will prevent damage to the product due to
lightning and power line surges.
– Do not overload wall outlets, extension cords, or convenience receptacles on other equipment as this can result in a
risk of fire or electric shock.
– Never push objects of any kind into this product through openings 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 product.
– Do not attempt to service this product yourself as opening or removing covers may expose you to dangerous voltages
and other hazards. Refer all service to qualified service personnel.
– Unplug this product from the wall outlet and refer service to qualified service personnel under the following conditions:
a) When the power supply cord or plug is damaged.
b) If liquid has been spilled, or objects have fallen on the product.
c) If the product has been exposed to rain or water.
d) If the product operated normally by following the operating instructions. Adjust only those controls that are covered
by the Operation Manual, as an improper adjustment of controls may result in damage and will often require
extensive work by a qualified technician to restore the product to normal operation.
e) If the product has been dropped or damaged in any way.
f) When the product exhibits a distinct change in performance – this indicates a need for service.
– When replacement parts are required, be sure the service technician has used replacement parts specified by the
manufacturer or with same characteristics as the original part. Unauthorized substitutions may result in fire, electric
shock, or other hazards.
– Upon completion of any service or repairs to this product, ask the service technician to perform safety checks to
determine that the product is in proper operating condition.
15
– The product should be placed more than 30 cm (11
/16 inches) away from heat sources such as radiators, heat
registers, stoves, and other products (including amplifiers) that produce heat.
– When connecting other products such as VCR’s, and personal computers, you should turn off the power of this product
for protection against electric shock.
– Do not place combustibles behind the cooling fan. For example, cloth, paper, matches, aerosol cans or gas lighters
that present special hazards when over heated.
– Use only the accessory cord designed for this product to prevent shock.
– Do not touch the handles on the rear soon after many hours of continuous use. They are so hot and will cause a burn
on the hand. If you need to touch the handles, for example, to move the product, wait until the handles are cooled
enough.
Option terminal: This terminal is intended exclusively to be used to drive the fan motor.
–
Do not connect any plugs to the terminal other than JVC’s recommended optional parts.
Polarity of terminal
POWER CONNECTION
The power supply voltage rating of this product is AC 120 V.
The power cords attached conform to the following power supply voltage and countries.
Use only the power cord designated to ensure Safety regulations of each country.
For U.S.A. and Canada: AC 120 V
3
Parts Identification
VIDEO
DISPLAY
OFFPOWER
RM–C579 REMOTE CONTROL UNIT
ON
ASPECT
MUTING
MENU/EXIT
VOLUME
A
COMPO.
/(RGB B)
BRGB A
INPUT SELECT
VIDEO
DISPLAY
OFF POWER
RM–C579 REMOTE CONTROL UNIT
ON
ASPECT
MUTING
MENU/EXIT
VOLUME
A
COMPO.
/(RGB B)
BRGB A
INPUT SELECT
12
3
49
p
6
8
7
5
REGULARFULL
ZOOMPANORAMIC
Remote Control
1 Remote control cable jack (page 11)
Connect the remote control cable (not supplied) when
using this remote control as a wired remote control.
2 Remote signal transmission window
3 POWER ON/OFF button (page 14)
Use this button to turn on/off the power.
4 DISPLAY button (page 14)
Use this button to display the input terminal, color system
(for VIDEO A or VIDEO B input), scan system (for
COMPONENT input) and horizontal/vertical frequency
(for RGB A and RGB B input).
Pressing the button again will make the display disappear.
5 INPUT SELECT (VIDEO A, VIDEO B, COMPO./(RGB B) and
RGB A) buttons
(page 14)
Use these buttons to switch between inputs.
To select the COMPONENT or RGB B input, you have to
set “RGB/COMPO.” correctly on the menu (see page 22).
6 MUTING button (page 14)
Use this button to turn off the volume immediately.
Pressing the button again will resume the previous
volume level.
7 2 / 3 / 5 / ∞ buttons
8 MENU/EXIT button
9 ASPECT button (page 15)
p VOLUME + / – buttons (page 14)
Use these buttons to select menu items or make
adjustments.
Use this button to display or erase menus.
While a sub-menu is displayed, pressing this button will
move you one screen back to the preceding menu.
Use this button to switch between aspect ratios. Each time
you press the button, the aspect ratio changes as follows:
Use these buttons to adjust the volume level.
• The VOLUME – button can be also used to display the
Setup Menu (see page 25).
4
Monitor: Front View
MENU INPUTPOWER
MENUINPUT POWER
3456
12
Bottom View
1 Remote sensor/power lamp
Point the front end of the wireless remote control toward
here.
When the Monitor is turned on, the power lamp glows
green. It glows orange in standby mode.
2 Self-diagnostic lamps (page 39)
These lamps light/flash if something abnormal occurs
with the Monitor.
3 2 / 3 / 5 / ∞ buttons
Use these buttons to select menu items and to make
adjustments.
• When no menu is displayed, you can use the 2 / 3
buttons to adjust the volume level.
4 MENU button
Use this button to display or erase menus.
While a sub-menu is displayed, pressing this button will
move you one screen back to the preceding menu.
5 INPUT button (page 14)
Use this button to switch between inputs.
To select the COMPONENT or RGB B input, you have to
set “RGB/COMPO.” correctly on the menu (see page 22).
6 POWER button (page 14)
Use this button to turn on and off the Monitor.
5
Parts Identification (Continued)
AC INAUDIO
L
OUT
R
RGB A
AUDIO
IN
REMOTE
RS-232C
WIRED
MAKE
EXTERNAL
(
9
9
(
R
SPEAKER OUT
L
INTERNAL
POWER
OPTION
12345
7
8
6
Monitor: Rear Views
1 RGB A input terminals (page 11)
•D-sub, 15 pin
Connect to the video output terminal of a personal
computer.
• AUDIO IN (stereo mini jack)
Connect to the audio output terminal of a personal
computer.
2 REMOTE terminals (pages 11 and 13)
•RS-232C (D-sub, 9 pin)
Connect to the RS-232C terminal of a personal computer.
For the control method using this terminal, consult an
authorized JVC dealer.
• MAKE terminal (mini DIN 4pin)
Connect an external control unit. (See page 13.)
• WIRED terminal (stereo mini jack)
Connect a wired remote control unit to this terminal.
Note:
• When the above three terminals are used at the same
time, transmitted commands through the MAKE
terminal have priority over those through the other
terminals.
6
3 AUDIO OUT terminals (pin jack) (page 11)
Connect to the audio input terminals of external
equipment such as an amplifier.
4 AC IN terminal (page 11)
5 POWER switch (page 14)
Connect the supplied power cord to this terminal.
Setting this switch to “| (on)” will put the Monitor into
standby mode, allowing you to turn on and off the power
using the POWER button either on the remote control or
on the Monitor.
6 OPTION terminal (page 13)
Connect the power cord of the Cooling Fan Unit (not
supplied) when installing the Monitor vertically.
7 SPEAKER OUT L/R terminals (page 11)
Connect external speakers, such as unique JVC speakers
(not supplied), etc.
8 INTERNAL/EXTERNAL (built-in speaker/external
speaker) selecting switch (page 11)
INTERNAL:To use built-in speakers.
EXTERNAL:To use external speakers.
9 VIDEO A terminals (page 12)
9pq
VIDEO A
VIDEO
INOUT
AUDIO
L/MONO
R
VIDEO B
VIDEO
INY/C IN
COMPONENT/RGB B
VIDEO
Y/G Pb/BPr/RHD/Cs VD
AUDIO
L/MONO
R
AUDIO
L/MONO
R
• AUDIO (L/MONO, R) input terminals (pin jack)
Connect these terminals to the audio input terminals of a
VCR, etc.
• VIDEO IN terminal (BNC)
Connect this terminal to the video output terminal of a
VCR, etc.
• VIDEO OUT terminal (BNC)
Connect this terminal to the video input terminal of
another Monitor.
Note:
• Since the video output terminals on this Monitor are
loop-through terminals, the devices connected to this
video output terminal should be correctly terminated.
Otherwise, pictures become abnormally bright or the
Monitor screen gets affected abnormally.
p VIDEO B terminals (page 12)
• AUDIO (L/MONO, R) input terminals (pin jack)
Connect these terminals to the audio output terminals of
a VCR, etc.
• Y/C (S video) IN terminal (mini DIN 4pin)
Connect this terminal to the S-video output terminal of a
VCR, etc.
• VIDEO IN terminal (pin jack)
Connect this terminal to the video output terminal of a
VCR, etc.
Note:
• When both the video and S-video terminals are
connected, the S-video terminal will have priority.
q COMPONENT/RGB B input terminals (page 12)
• AUDIO (L/MONO, R) input terminals (pin jack)
Connect these terminals to the audio output terminals of
the other equipment.
Connect these terminals to the following output
terminals of a personal computer or other equipment:
– Analog RGB signal output terminals
– Horizontal sync (HD) signal or composite (Cs) signal
output terminal
– Vertical sync (VD) signal output terminal
Notes:
• External sync signals are automatically detected when
they come in.
• When both horizontal (HD)/vertical (VD) sync and
composite (Cs) sync are connected, HD/VD sync signals
will be used.
• Y, Pb, Pr (VIDEO) input terminals (BNC)
Connect these terminals to the component signal output
terminals of NTSC or high-vision equipment.
Note:
• When these terminals are used as the component
terminals (Y, Pb, Pr)—see “Setting the COMPONENT/
RGB B Input” on page 22, external sync signals (HD/Cs,
VD) cannot be used.
7
Preparations
Checking the Accessories
The following accessories are included with the Monitor. Check for them. If any item is missing, please contact the dealer where
you purchased the Monitor.
• Remote control (RM-C579) x 1
• Power cord x 1
• Batteries (AA/R6P) x 2
• Ferrite core x 1 (Only for GM-V42UG)
Installing the Batteries
Put the batteries in the remote control as follows. If the remote control has become erratic in operation, change the batteries.
1
Remove the back cover.
While pushing the release lever on the cover, remove the cover in
the direction of the arrow.
2
Place the batteries.
Put the two supplied batteries (AA/R6P), noting the ª and ·
markings, as shown.
3
Replace the back cover as illustrated.
Make sure the release lever on the cover is locked in place correctly.
Precautions for using batteries
If batteries are used improperly, the liquid could leak out, causing a fire, injury, etc. or dirtying the vicinity.
Take notice of the following:
• Do not mix old and new batteries.
• Do not mix different types of battery as different types may have different characteristics.
• Place the batteries according to the ª and · markings indicated on the battery compartment.
• When installing the batteries, insert the · end first to avoid a short circuit.
• Use only the specified batteries.
• When you are not using the remote control for a long time, remove the batteries.
• When the batteries have reached the end of their life, replace them with new ones immediately. Otherwise, the liquid may leak
out, or malfunction may be caused by the leaked liquid. If the leaked liquid contacts your skin, wipe off the liquid with a soft
cloth. If the affected skin is left as is, you may get a rough skin.
• Do not throw the batteries into fire or try recharging them.
• The service life of batteries is six months to one year for normal use. The supplied batteries are only for checking the operation
and their life may be shorter. When the remote control operation becomes erratic, replace with new batteries.
Attaching the Ferrite Core (GM-V42UG Only)
Attach the ferrite core to the power cord. Using the power cord without the ferrite core may lead to noise (interference). Open
the ferrite core, insert the power cord and close the ferrite core. Attach the ferrite core to the AC IN end of the power cord.
Ferrite core *
Power cord
* Not supplied to GM-V42UB
Plug to AC IN
8
Installation
50
(2)
200 (7 )
/
8
7
MENUINPUT POWER
100 (3 )
100
(3 )
/
16
15
100
(3 )
/
16
15
/
16
15
200 (7 )
/
8
7
150
(4 )
/
16
15
50
(2)
50
(2)
MENUINPUT POWER
150
(4 )
/
16
15
200
(7 )
/8
7
50(2)
Precautions
• When mounting the Monitor vertically, consult your dealer. (See also page 13).
• When installing the Monitor, be sure to use a dedicated Stand Unit, Wall Mounting Unit, or Monitor Hanger Unit, depending
on a particular case. Ask your dealer for installation.
• When installing the Monitor, refer also to the user manual for each option to use. Do not tilt the Monitor rightward, leftward,
or backward.
• Route the power cord and connection cables along wall or floor corners to avoid walking on them.
• For good heat dissipation, try to leave the following distances of space (minimum) around the Monitor.
• The ambient temperature of the installation place should be within the range of 0˚C to 40˚C (slightly variable depending on
ambient conditions for installation.)
• When installing the Monitor in a place, such as near the ceiling, the remote control may not work correctly because of possible
effects from the surroundings. If this happens, use the remote control as a wired remote control or move the Monitor where it
is free from these effects.
When installing the Monitor on a stand
Front View
Side View
Wall
Unit: mm (inch)
Take measures against the Monitor from overturning:
To protect against abnormal events such as earthquakes and to prevent unexpected accidents, take appropriate measures
for preventing the Monitor from overturning; should it overturn, this could lead to personal injury.
For detailed information, refer to the manual supplied for the stand.
When mounting the Monitor on the wall
Front View
Side View
When hanging the Monitor from the ceiling
Side View
Unit: mm (inch)
Notes:
• Do not allow the same image (pattern) to be continuously displayed on the screen for a long time; otherwise, the area on the
screen corresponding to the image may vary in brightness, leaving an afterimage on the screen. To reduce the afterimage, you
can use the Refresh function (see page 31).
• The Monitor is manufactured using very high-precision technology, allowing for more than 99.99% active pixels, however, be
aware that only a slight number of pixels may be deficient or lit at all times.
• Do not install the Monitor in such a way that the Monitor and other AV equipment affect each other adversely. (For example,
if a disturbed image or noise due to electromagnetic interference occurs, or if the infrared remote control malfunctions, change
the installation place.)
Unit: mm (inch)
9
Connections
Precautions
• Before making connections, turn off all the equipment.
• Plugs should be firmly inserted; poor connection could cause noise.
• To unplug a cord, be sure to grasp its plug and pull it out.
• Connect the power cord after having finished all other connections.
• Refer also to the user manual of each piece of equipment.
Available Signals
Video signals
The following signals can be input to this Monitor:
• VIDEO A and VIDEO B terminals accept — NTSC, PAL M, and PAL N signals.
• COMPONENT/RGB B terminals accept — 480i, 576i, 480p, 576p, 720/60p, 1080/50i, and 1080/60i (1035/60i) signals. (Youneed to set “RGB/COMPO.” to “COMPO.” on the menu (see page 22).
Computer signals (Preset)
This Monitor has 18 preset video modes for the most popular industrial standard, and the signals of the following image
resolutions can be input to the RGB input terminals.
Signal nameScan system
No.
1PC9864040024.856.4Non-interlace
2VGA400-7064040031.570.1Non-interlace
3VGA480-6064048031.559.9Non-interlace
4VGA480-7264048031.772.8Non-interlace
5VGA480-7564048037.575.0Non-interlace
6WVGA-6085248031.760.3Non-interlace
7MAC13”64048035.066.7Non-interlace
8SVGA-5680060035.256.3Non-interlace
9SVGA-6080060037.960.3Non-interlace
10SVGA-7280060048.172.2Non-interlace
11SVGA-7580060046.975.0Non-interlace
12XGA-60102476848.460.0Non-interlace
13XGA-70102476856.570.1Non-interlace
14XGA-75102476860.075.0Non-interlace
15XGA-85102476868.785.0Non-interlace
16XGA+-75115286467.575.0Non-interlace
Screen resolution
Horizontal
Vertical
Horizontal
Frequency (kHz)
Vertical
Frequency (Hz)
17RGB15K-60——15.759.9Interlace
18RGB15K-50——15.650.0Interlace
Notes:
• When a signal other than listed above is input, a part of the screen may become void or an unnecessary picture may appear.
• Signals, though they are within the acceptable range of frequencies, may not be displayed normally, depending on the signal
type.
• Depending on the connected equipment, the Monitor may not be compatible with composite sync (Cs) or G on sync signals.
• When a preset mode signal is input, the vertical frequency displayed on the screen will have an “*” shown at its right top
position.
• When the No. 6 signal is input, change the aspect ratio to “FULL” with the ASPECT button (page 15) on the remote control or
from the “FUNCTION SELECT” menu (page 21).
• When No. 8 to No. 16 signals are input, thin lines may become obscure for their signal frequencies are higher than the screen
resolution.
10
VIDEO
DISPLAY
OFF POWER
RM–C579REMOTE CONTROL UNIT
ON
ASPECT
MUTING
MENU/EXIT
VOLUME
A
COMPO.
/(RGB B)
B RGB A
INPUT SELECT
❊
AC INAUDIO
L
OUT
R
RGB A
AUDIO
IN
REMOTE
RS-232C
WIRED
MAKE
POWER
ª·
ª·
ª
·
·
ª
Connection Diagrams
Typical connections
Personal computer
(used as the playback source)
To audio output
To monitor output
Personal computer
(used to control the Monitor)
To RS-232C
❊ For connection, see page 13.
Remote control
(supplied)
Amplifier, etc.
To audio input
Cable with stereo
mini jacks
(not supplied)
Power cord (supplied)
To a wall outlet
Ferrite core (supplied to GM-V42UG)
• Make sure to attach the ferrite core to
the power cord. See also page 8.
External speaker connection
External speakers
(Ex. TS-C421SPG)
To speaker input terminalsTo speaker input terminals
When using external speakers,
set this to EXTERNAL.
How to connect the cords
Note:
It is recommended to use the speaker unit—TS-C421SPG (not supplied)
as the external speakers. You can also connect any speakers of the
following specifications:
• Impedance: Between 6 Ω and 8 Ω
• Power handling capacity: More than 3 W
Caution:
• Do not short-circuit the 9 and ( speaker cords each other. (Refer
also to the instructions supplied with the speaker unit when
connecting speakers.)
11
VIDEO A
VIDEO
INOUT
AUDIO
L/MONO
R
VIDEO B
AUDIO
L/MONO
R
VIDEO
INY/C IN
COMPONENT/RGB B
VIDEO
Y/G Pb/BPr/RHD/Cs VD
AUDIO
L/MONO
R
Connections (Continued)
AV connections
VCR 1
(used as the playback source)
To audio output
To video output
To audio output
VCR 2
(used as the playback source)
To video output
To S-video output
DVD player, etc.
(used as the playback source)
To audio output
To video output
When connecting another PC to the COMPONENT/RGB B terminals, set the “RGB/COMPO.” setting to “RGB”
(see page 22).
To audio output
To G output
To B output
Personal computer
(used as the playback
source)
Notes:
• You can connect another VCR or Monitor to the VIDEO A OUT terminal. However, when connecting a VCR to the
VIDEO A terminals, do not connect both IN and OUT terminals to the same VCR.
• When connecting a VCR to the VIDEO B terminals, you can use either the video or S-video terminals. If the both
terminals are used, S-video terminal will have priority.
To R output
To HD/Cs output
To VD output
12
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