JVC GM-H40L1G User Manual
LCD DISPLAY MONITOR
GM-H40L1G
INSTRUCTIONS
LCT1942-001A
Safety Precautions
FCC NOTICE
CAUTION: Changes or modifi cations 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 diff erent 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 APPARATUS TO RAIN, MOISTURE,
DRIPPING OR SPLASHING AND THAT NO OBJECTS FILLED WITH LIQUIDS, SUCH AS VASES, SHALL BE PLACED
ON THE APPARATUS.
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 FIRE HAZARD. 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.
POWER CONNECTION
The power supply voltage rating of this product is AC 120 V. Do not use other power cords than the power cord attached
to this product.
This plug will fi t 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.
• 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 of your home, consult your product dealer or local power company.
2
Unplug this product from the wall outlet and refer service to qualifi ed 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 qualifi ed 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.
• 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
fi re or electric shock.
• Never spill liquid of any kind on the product.
• 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 a fi re, electric
shock, or other hazards.
• 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 more than 10 cm (3 15/16 inches).
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 qualifi ed service personnel.
• 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.
• 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.
3
Safety Precautions (cont.)
• 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 fi re or electric shock.
• Use only the accessory cord designed for this product to
prevent 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.
The product should be placed more than 30 cm (11 13/16
inches) away from heat sources such as radiators, heat
registers, stoves, and other products (including amplifi ers)
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 use attachments not recommended by the
product manufacturer as they may be hazardous.
Maintenance
• 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.
• When replacement parts are required, be sure the service technician has used replacement parts specifi ed by the
manufacturer or with same characteristics as the original part. Unauthorized substitutions may result in fi re, 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.
4
Table of Contents
Safety Precautions .............................................. 2
IMPORTANT SAFEGUARDS ........................................2
Parts Identifi cation ............................................. 6
Front panel ......................................................................6
Rear panel ........................................................................6
Remote control ..............................................................8
Installation .......................................................... 9
Connecting external speakers .............................. 10
Connections ...................................................... 11
Available signals ......................................................... 11
Daily Operations ............................................... 14
Turning on the main power ...................................14
Turning on the monitor ...........................................14
Selecting an input .....................................................14
Adjusting the volume ..............................................14
Changing the aspect ratio ...................................... 15
Displaying the current status ................................ 15
Selecting the picture mode ................................... 16
Selecting the audio mode ...................................... 16
Viewing Inputs A and B (analog RGB input)
at the same time —Dual Display .................... 16
Menu Operations .............................................. 17
Menu Confi guration—MAIN MENU ................ 18
Menu Confi guration—SET-UP MENU .............. 24
Setting the Power-on Lock ..................................... 30
How to Use External Control ............................ 31
Troubleshooting ............................................... 34
Self-diagnostic indication ....................................... 36
Specifi cations .................................................... 37
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 have purchased the monitor.
• Remote control (RM-C2005)
• Power cord x 1
• D-sub 15 pin – BNC conversion cable x 1
• Batteries (AA/R6) x 2
• Ferrite cores x 2
NOTE
• Be sure to attach the supplied ferrite cores to the speaker cords when using external speakers to reduce interference from the monitor on
external equipment (see page 10).
5
Parts Identifi cation
Front panel
Remote sensor:
Eco sensor:
Rear panel
Point the front end of the remote control toward here.
Detects brightness of the room (see page 23).
Self-diagnostic lamps:
These lamps light/fl ash if something abnormal occurs with
the monitor (see page 36).
Power lamp:
When the monitor is turned off : Unlit.
When the monitor is turned on: Lights in green.
When the monitor is in sleep mode: Flashes in orange.
When the monitor is in standby mode: Lights in orange.
Input card slots (SLOT-1, SLOT-2):
Optional input cards can be installed in these slots.
• For details about input cards, refer to the
instructions of the input card.
REMOTE terminals
Connect external control equipment (see pages 12, 31 to 33).
RS-232C terminal: Connect to the RS-232C terminal of a
personal computer. For the control method
using this terminal, consult an authorized JVC
dealer.
RS-485 terminals:
IN terminal: Connect external control equipment.
OUT terminal: Connect another component to send out the
control signal coming into the IN terminal
(cascade connection).
AUDIO OUT terminals
Connect external speakers or audio equipment.
EXT. SPEAKER terminal: Connect external speakers (commercially available) (see page 10).
• To use this terminal, set “SPEAKER SELECT” on the main menu to “EXT. (external)” (see page 21).
MONITOR OUT terminals: Connect to the audio input terminals of audio equipment such as an amplifi er (see
page 12).
6
1 (Power) button: Turns the monitor on/off (see page 14).
2 INPUT button: Changes inputs (see page 14).
3 MENU button: Displays the main menu (see page 17).
4 5/∞ buttons: Selects an item on the menu (see page 17).
5 +/– buttons: Adjusts the volume level (see page 14).
• When the menu is displayed, adjusts the value (see page 17).
6 SET-UP button: Displays the set-up menu (see page 17).
AC IN terminal:
Connect the supplied power cord (see page 13).
POWER switch:
I : Turns on the main power. (The power can be
controlled by POWER ON/OFF buttons on the
remote control or button on the main unit.)
‡: Turns off the main power.
AUDIO IN A/B terminals
Connect audio output terminals of equipment
such as a VCR (see page 13).
AUDIO IN A terminal
R, L/MONO terminals (pin jack):
Connect to the audio output terminals of
the equipment connected to the VIDEO
IN A terminal. (Connect only the L/MONO
terminal for monaural sound.)
AUDIO IN B terminal
STEREO terminal (stereo mini jack):
Connect to the audio output terminals of
the equipment connected to the VIDEO IN
B terminal.
VIDEO IN A/B terminals
Connect video output terminals of equipment such as a VCR (see page 13).
VIDEO IN A terminal
IN terminal (BNC): Connect to the video output terminals of playback equipment such as a
VCR.
OUT terminal (BNC): Connect to the video input terminal of another monitor, etc.
Y/C IN terminal (Y/C): Connect to the S-video output terminal of playback equipment such as a
VCR.
• When both IN terminal and Y/C IN terminal are used, the input to the Y/C IN terminal has priority.
VIDEO IN B terminal
RGB/COMPO. terminal (D-sub 15-pin)*: Connect to the video output terminal of a personal
computer or playback equipment such as a VCR.
DVI-D terminal (DVI-D)*: Connect to the digital output terminal of a personal computer.
* When connecting to a personal computer, use a cable with ferrite cores and no longer than of 3 m (118 1/8”) to avoid
electromagnetic disturbance.
7
Parts Identifi cation (cont.)
Remote control
POWER OFF button
Turns off the monitor (see page 14).
SET-UP button
Displays the set-up menu (see page
17).
MENU/EXIT button
Displays the main menu (see page
17).
PICTURE MODE buttons
Changes the picture mode (see
page 16).
DUAL DISPLAY buttons
Activates/deactivates the dual
display mode (see page 16).
AUDIO MODE buttons
VOLUME +/– buttons
Adjusts the volume level (see page
14).
STEREO, MONO buttons
Changes the audio mode (see page
16).
MUTING button
Turns off the volume immediately
(see page 14).
POWER ON button
Turns on the monitor (see page 14).
ASPECT button
Changes the aspect ratio (see page
15).
DISPLAY button
Displays the information of the
current input (see page 15).
5∞ 2 3 buttons
Operates the menu (see page 17).
OK button
Enters the password for the Poweron Lock (see page 30).
INPUT SELECT buttons
Selects the input (see page 14).
A (VIDEO) button
Selects the input to the VIDEO IN
A terminal (Input A).
B (RGB/COMPO./DVI) button
Selects the input to the VIDEO IN
B terminal (Input B).
C, D (SLOT-1) buttons
Selects the input to the optional
input card inserted in the slot 1
(Input C/D).
E, F (SLOT-2) buttons
Selects the input to the optional
input card inserted in the slot 2
(Input E/F).
Inserting the batteries
Use two AA/R6 dry cell batteries.
Insert the batteries from the · end, making sure the ª and · polarities are correct.
• Follow the warnings printed on the batteries.
• Battery life is about six months to one year, depending on how much you use
the remote control.
• The batteries we supply are only for setting up and testing your monitor,
please replace them as soon as you need to.
• If the remote control does not work properly, replace the batteries.
8
Installation
Precautions
• When installing the monitor, be sure to use a dedicated stand unit or wall mounting unit, depending on your particular
case. Ask your dealer to install.
• When installing the monitor in a special way (for example, installing it diagonally), consult your dealer.
• Route the power cord and connection cables along the wall or fl oor corners to avoid walking on them.
• For good heat dissipation, try to leave the following distance of space (minimum) around the monitor (see diagram below).
• The ambient temperature of the installation place should be within the range of 0°C to 40°C (32°F – 104°F) (slightly variable
depending on ambient conditions for installation).
• When installing the monitor near the ceiling or similar location, the remote control may not work correctly because of
possible eff ects, such as refl ections, from the surroundings. If this happens, move the monitor where it is free from these
eff ects.
• Do not install the monitor in such a way that the monitor and other AV equipment aff ect 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.)
When installing the monitor on a stand
Front view Side view
200 (7 7/8)
150
(6)
Unit: mm (inch)
150
(6)
50 (2)
When mounting the monitor on the wall
Front view Side view
200 (7 7/8)
100
(4)
100
(4)
50 (2)
Unit: mm (inch)
100 (4)
When installing the monitor vertically
• Make sure to install the monitor in the direction illustrated on
the right.
• Set the speed of the internal cooling fan to “HIGH” (see “FAN
SPEED” on page 29).
15 (5/8)
Remote
sensor
9
Installation (cont.)
Connecting external speakers
You can connect commercial speakers of the following specifi cations to the EXT. SPEAKER terminal:
• Impedance: Between 6 Ω and 8 Ω
• Power handling capacity: More than 3 W
Speakers
(commercially available)
Ferrite core (supplied)
To reduce interference from the monitor on external
equipment, attach the supplied ferrite cores near to the
EXT. SPEAKER terminals on the rear panel of the monitor.
CAUTION
• Do not short-circuit 9 and ( speaker cords to each other. (Refer also to the instructions supplied with the speakers.)
NOTE
• When using the external speakers, set “SPEAKER SELECT” on the main menu to “EXT. (external)” (see page 21).
Speakers
(commercially available)
10
Connections
Available signals
The following signals can be input to this monitor.
Video signals
Terminal Available signals
VIDEO IN A terminals NTSC, PAL, SECAM, PAL60, NTSC4.43, PAL-M, PAL-N, BW (50 Hz/60 Hz)
VIDEO IN B (RGB/
COMPO.) terminal
* Select an appropriate setting for High-Defi nition signal (see “1080/1035“ on page 23).
Computer signals (Preset)
VIDEO IN B (RGB/COMPO., DVI-D) terminals
No. Signal name
1 PC98 640 400 24.8 56.4 Non-interlace √ —
2VGA400-70 640 400 31.5 70.1 Non-interlace √ —
3VGA480-60 640 480 31.5 59.9 Non-interlace √ √
4WVGA-60 852 480 31.5 59.9 Non-interlace √ —
5VGA480-72 640 480 37.9 72.8 Non-interlace √ —
6SVGA-60 800 600 37.9 60.3 Non-interlace √ √
7XGA-60 1024 768 48.4 60.0 Non-interlace √ √
8WXGA-60 1366 768 48.4 60.0 Non-interlace √ √
9XGA-70 1024 768 56.5 70.1 Non-interlace √ —
10 XGA-75 1024 768 60.0 75.0 Non-interlace √ —
11 XGA-85 1024 768 68.7 85.0 Non-interlace √ —
12 XGA+-75 1152 864 67.5 75.0 Non-interlace √ —
13 SXGA-60 1280 1024 64.0 60.0 Non-interlace √ √
14 SXGA-75 1280 1024 80.0 75.0 Non-interlace √ —
15 UXGA-60 1600 1200 75.0 60.0 Non-interlace √ —
16 MAC13” 640 480 35.0 66.7 Non-interlace √ —
17 MAC16” 832 624 49.7 74.6 Non-interlace √ —
18 MAC19” 1024 768 60.2 74.9 Non-interlace √ —
19 MAC21” 1152 870 68.7 75.1 Non-interlace √ —
Component signals 480/60i, 576/50i, 480/60p, 576/50p, 720/60p, 720/50p, 1080/60i
(1035/60i)*, 1080/50i, 1080/24psF
RGB signals 15 kHz/50 Hz, 15 kHz/60 Hz
Screen resolution Horizontal
Horizontal Vertical RGB/COMPO. DVI-D
frequency
(kHz)
Ver tical
frequency
(Hz)
Input terminal
Scan system
√ : Acceptable — : Not acceptable
Note for VIDEO IN A (IN, Y/C IN) terminals
• When both IN terminal and Y/C IN terminal are used, the input to the Y/C IN terminal has priority.
Note for VIDEO IN B (RGB/COMPO., DVI-D) terminals
Select the correct input for Input B on the main menu (see “INPUT CONFIGURATION” on page 21).
• When RGB signals are input to the RGB/COMPO. terminal: Set “INPUT B” to “ANALOG RGB.”
• When component signals are input to the RGB/COMPO. terminal: Set “INPUT B” to “COMPONENT.”
• When using the DVI-D terminal: Set “INPUT B” to “DVI.”
Note for component signals
• The monitor is compatible only with Y on sync signals. The monitor is not compatible with composite sync (Cs) and separated sync (HD/
VD) signals.
Note for computer signals
• When a signal other than those listed above is input, part of the picture may not be displayed or an unnecessary picture may appear.
• Any signal other than those listed above may not be displayed normally although it’s frequency is within the acceptable range.
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 signal format is displayed on the screen. For other signals, the horizontal frequency and vertical
frequency are displayed.
• The DVI-D terminal can accept only No. 3, 6, 7, 8, and No. 13 signals.
• When the No. 3 and No. 7 signals are input, set “SAMPLING MODE” to “STD” on the set-up menu (see page 29).
• When the No. 4 and No. 8 signals are input, make the following settings:
– Set “SAMPLING MODE” to “WIDE” on the set-up menu (see page 29).
– Change the aspect ratio to “FULL” (see pages 15 and 19).
– Set the video card of the personal computer to “852 x 480” (for No. 4 signal)/“1366 x 768” (for No. 8 signal).
• When No. 12 to No. 15 and No. 19 signals are input, thin lines may become obscured because their signal frequencies are higher than the
screen resolution.
• The adjustment of the screen size and position is the setting common to the No. 10 and No. 18 signals. If you use both signals by
switching them, the adjustment of either signal may not be proper.
11
Connections (cont.)
CAUTION
• Before making any connections, turn off all the equipment.
• DO NOT connect the power cord until all connections are completed.
• Use a cord whose plugs correctly match the terminals on this monitor and the equipment.
• Plugs should be fi rmly inserted; poor connections could cause noise.
• When unplugging a cord, be sure to grasp it’s plug and pull it out.
• Refer also to the user manual of each piece of equipment.
12
To external speakers
(See page 10.)
Stereo audio
cable
RL
To stereo audio
input terminals
Amplifi er, etc.
RS-232C cable
To RS-232C
terminal
External equipment used
to control the monitor
(See page 31.)
RJ-45 cable
To RS-485
output terminal
RJ-45 cable
To RS-485
input terminal
External control input
terminal of other
equipment
(See page 31.)
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