Black Box 262K Manual de usuario
CUSTOMER
SUPPORT
INFORMATION
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
JULY 1994
AC403A
262K Color LCD Panel
DC-IN
POWER
ON OFF
CONTRAST
COLOR
FINE TUNE TINT
CONTRAST
COLOR
CLEAR
MONITOR
RESET
262K COLOR LCD PANEL
FEDERAL COMMUNICATIONS COMMISSION
AND
INDUSTRY CANADA
RADIO FREQUENCY INTERFERENCE STATEMENTS
This equipment generates, uses, and can radiate radio frequency energy
and if not installed and used properly, that is, in strict accordance with the
manufacturer’s instructions, may cause interference to radio communication.
It has been tested and found to comply with the limits for a Class A
computing device in accordance with the specifications in Subpart J of
Part 15 of FCC rules, which are designed to provide reasonable protection
against such interference when the equipment is operated in a commercial
environment. Operation of this equipment in a residential area is likely to
cause interference, in which case the user at his own expense will be required
to take whatever measures may be necessary to correct the interference.
Changes or modifications not expressly approved by the party responsible
for compliance could void the user’s authority to operate the equipment.
This digital apparatus does not exceed the Class A limits for radio noise emission from
digital apparatus set out in the Radio Interference Regulation of Industry Canada.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant les limites
applicables aux appareils numériques de la classe A prescrites dans le Règlement sur le
brouillage radioélectrique publié par Industrie Canada.
Trademarks
Apple®, Mac®, and Macintosh®are registered trademarks of Apple Computer, Inc.
Hercules®is a registered trademark of Hercules Computer Technology.
IBM®is a registered trademark of IBM Corporation.
Any other trademarks mentioned in this manual are acknowledged to be the property
of the trademark owners.
3
CONTENTS
Chapter Page
1. Specifications...................................................................................................4
2. Introduction ....................................................................................................5
3. Installation .......................................................................................................6
3.1 Setting Up................................................................................................6
3.2 Connecting the Cables............................................................................7
3.2.1 Connecting to a VGA System .......................................................7
3.2.2 Connecting to an EGA, CGA, or Hercules System......................8
3.2.3 Connecting to a Mac II System.....................................................8
3.2.4 Connecting to a Mac LC System ..................................................9
3.3 Rear Projection .......................................................................................9
4. Using the LCD Panel.....................................................................................10
4.1 Control Keys ..........................................................................................10
4.2 How to Use the LCD Panel...................................................................11
4.3 Using the Remote Control ...................................................................11
5. Care and Maintenance..................................................................................12
5.1 Cleaning the Bottom Glass ...................................................................12
5.2 Cleaning the Housing...........................................................................13
5.3 Static Electricity.....................................................................................13
5.4 Transporting the LCD Panel................................................................13
6. Troubleshooting............................................................................................14
6.1 Troubleshooting Guide ........................................................................14
6.2 Calling Black Box..................................................................................15
6.3 Shipping and Packaging .......................................................................15
Index....................................................................................................................16
Contents
4
262K COLOR LCD PANEL
Display — True-color active matrix
TFT (Thin Film Transistor)
LCD; 640 x 480 resolution; 100:1
contrast ratio; 4:3 aspect ratio;
30 ms typical response time
Colors — Five modes: 8, 16, 2197,
32,768, or 262,144 colors
Controls — Directions, contrast,
color selection, reset, front/rear,
clear, fine-tune, tint
Power — Autoswitching; input:
100 to 250-VAC, 50 to 60 Hz,
0.9 A
Size — 12.6"H x 14"W x 1.6"D
(32 x 35.5 x 4 cm); Display:
approx. 6.7" x 5.1" (17 x 13 cm)
Weight — 5 lb. (2.3 kg)
1. Specifications
Video Systems Supported:
H. Sync V. Sync Dot Clock
Video Mode Resolution (KHz) (KHz) (MHz)
IBM VGA 720 x 480 31.47- 70.00+ 28.322
640 x 480 31.47- 59.94- 25.175
640 x 400 31.47- 70.00+ 25.175
640 x 400 31.47+ 70.00- 25.175
IBM EGA 640 x 350 21.85+ 59.70- 16.257
IBM CGA 640 x 200 15.69+ 59.92+ 14.318
Hercules (text) 720 x 350 18.14+ 49.03- 16.000
Hercules (graphics) 720 x 348 18.51+ 50.05 16.000
IBM MDA 720 x 350 18.43+ 49.82- 16.257
Macintosh II 640 x 480 35.00- 66.68 30.240
Macintosh LC 640 x 480 34.97- 66.61- 31.334
5
CHAPTER 2: Introduction
With the 262K Color LCD Panel,
you can project computer video
on a screen big enough for a whole
room to watch. It’s perfect for
business meetings, conferences,
and classroom instruction.
Your LCD Panel has a range of
262,144 colors, for rich true-color
images. It’s compatible with both
Apple®Macintosh®and IBM®
compatible computers; on the IBM
compatibles, it will work with VGA—
or with CGA, EGA, or Hercules®
compatible video, with the optional
DB9 Y cable.
The Y cable that comes with the
LCD Panel lets you attach both the
Panel and your computer monitor
at once, so you can display your
presentation on both
simultaneously.
What’s in the Package
Besides this manual, the package
should contain these items:
• 262K Color LCD Panel
• DB15HD Y cable for VGA
• DB15 Y cable for Mac®
• Power adapter with cord
• Remote control
• Two AA batteries (for the
remote control)
If anything on this list is missing,
call Black Box right away.
2. Introduction
6
262K COLOR LCD PANEL
When you connect the LCD Panel
to a PC, it works the same way a
monitor does, taking signals from
the same video port on your PC.
If you have a portable or notebook
computer with an internal screen,
you may have to activate the external
video port before it will work. See
the manual for your computer.
3.1 Setting Up
1. Position your overhead
projector at the right level and
distance for projection. For
best results, you’ll want:
• A high-intensity overhead
projector—for instance, a
400-watt halogen or metal-
vapor type—that projects a
bright, uniformly illuminated
image. (A rating of 4000
lumens or better is
recommended.)
• A dimmed room with no
direct sunlight shining in.
The LCD Panel works with all
transmissive overhead
projectors—projectors with a
light source that shines through
the image (the kind of
projector you ordinarily use
with transparencies, not
opaque sheets of paper).
2. Make sure everything is turned
off—the computer, the
overhead projector, the
monitor, and the LCD panel.
3. Set up your computer and
monitor near the projector—
close enough for the 15-foot
(4.6-m) Y cable to reach
without stretching.
4. Place the LCD Panel on the
projector’s glass plate with the
controls on the Panel toward
the screen.
3. Installation
Connectors and Switch on the LCD Panel.
7
CHAPTER 3: Installation
3.2 Connecting the Cables
The LCD Panel comes with two Y
cables, one for VGA video and one
for Macintosh video. You can also
order optional cables for connecting
to CGA, EGA, and Hercules video;
call your supplier.
3.2.1 C
ONNECTING TO A
VGA S
YSTEM
1. Make sure the PC is switched
off. Never connect the LCD
panel when the PC’s power is
on.
2. Disconnect the monitor cable
from the PC. If you want to use
both the PC monitor and the
LCD Panel at the same time,
plug the monitor cable into the
short cable stub on the Y cable.
Tighten the thumbscrews to
make sure you have a good
connection.
NOTE: For some software programs that
detect the presence of an external
monitor in order to determine the
type of display, you’ll need to have
the external monitor connected.
3. Plug the single-connector end
of the Y cable—the end with
two cables coming out of it—
into the PC’s video port. Again,
tighten the thumbscrews to
make a tight connection.
4. Plug the DB25 connector (the
large one) into the LCD Panel.
5. Plug the 6-pin mini-DIN
connector from the power
adapter into the DC-IN jack on
the LCD Panel. Connect the
socket end of the AC cord to
the power adapter.
DC-IN
POWER
ON OFF
CONTRAST
COLOR FINETUNE TINT
Connecting the Y Cable.
8
262K COLOR LCD PANEL
6. Make sure the power on the
LCD Panel is off, then plug the
power cord into a convenient
AC outlet.
7. Turn on the PC, then the LCD
Panel.
NOTE: Follow this power-up sequence, or
the video signals might not be
synchronized corectly. The image
on the Color LCD Panel is made up
of red, green, and blue parts, and
the parts are synchronized to the
incoming video signal from the
computer. If there isn’t a video
signal from the computer—if you
turn on the LCD Panel while the
computer is still off, for example—
then the LCD Panel might lose
synchronization, and you’ll see a
split image of red, green, and blue.
To bring the LCD panel back to
normal, you can press the RESET
button on the panel or on the remote
control.
Avoid turning on the LCD Panel
for any length of time when no video
signal is present—that can reduce
the lifetime of the LCD.
8. Run a program on the
computer that creates a
colorful image on the screen.
It’s easier to adjust the LCD
panel when it’s showing a
colorful image. Focus the
projector.
CAUTION
Make sure the LCD Panel’s
power adapter is completely
connected before you turn
on the projector. The cooling
fans in the LCD Panel won’t
work unless the power
connected, and the h
from the projector cou
damage the Panel.
3.2.2 C
ONNECTING TO AN
EGA, CGA,
OR
H
ERCULES
S
YSTEM
The connections are exactly the
same as for a VGA system (see
Section 3.2.1), but you need the
optional DB9 Y cable.
For Hercules systems, the Panel
defaults to Hercules Text Mode. To
select Graphics Mode, press the
RESET button and the COLOR
button on the front panel at the same
time. To go back to Text Mode, press
those two buttons again.
3.2.3 C
ONNECTING TO A
M
AC
II S
YSTEM
1. Make sure the Mac is switched
off. Never connect the LCD
panel when the Macintosh is
turned on.
2. Disconnect the monitor cable
from the Mac, and plug it into
the short cable stub on the Y
cable. Tighten the thumbscrews
to make sure you have a good
connection.
NOTE: The external monitor must be
connected for the computer to work.
3. Plug the single-connector end
of the Y cable—the end with
two cables coming out of it—
into the Macintosh video port.
Again, tighten the thumbscrews
to make a tight connection.
4. Plug the DB25 connector (the
large one) into the LCD Panel.
5. Plug the 6-pin mini-DIN
connector from the power
adapter into the DC-IN jack on
the LCD Panel. Connect the
socket end of the AC cord to
the power adapter.
9
CHAPTER 3: Installation
6. Make sure the power on the
LCD Panel is off, then plug the
power cord into a convenient
AC outlet.
7. Turn on the Macintosh, then
the LCD Panel.
NOTE: Follow this power-up sequence, or
the video signals might not be
synchronized correctly. The image
on the Color LCD Panel is made up
of red, green, and blue parts, and
the parts are synchronized to the
incoming video signal from the
computer. If there isn’t a video
signal from the computer—if you
turn on the LCD Panel while the
computer is still off, for example—
then the LCD Panel might lose
synchronization, and you’ll see a
split image of red, green, and blue.
To bring the LCD panel back to
normal, you can press the RESET
button on the panel or on the remote
control.
Avoid turning on the LCD Panel
for any length of time when no video
signal is present—that can reduce
the lifetime of the LCD.
8. Run a program on the
Macintosh that creates a
colorful image on the screen.
It’s easier to adjust the LCD
panel when it’s showing a
colorful image. Focus the
projector.
CAUTION
Make sure the LCD Panel’s
power adapter is completely
connected before you turn
on the projector. The cooling
fans in the LCD Panel won’t
work unless the power
connected, and the h
from the projector cou
damage the Panel.
3.2.4 C
ONNECTING TO A
M
AC
LC
S
YSTEM
The connections are exactly the
same as for a Mac II system.
The LCD Panel defaults to Mac II
mode. To switch to Mac LC mode,
press the RESET button and the
COLOR button on the front
panel at the same time. To go back t
o Mac II mode, press those two
buttons again.
3.3 Rear Projection
To use the LCD panel for rear
projection, just press the
FRONT/REAR button on the control
panel. To go back to front projection,
press the same button again.
10
262 COLOR LCD PANEL
Once you’ve made all the connec-
tions in Chapter 3, the LCD Panel is
ready to go. This chapter describes
the controls on the front panel and
the remote control.
4.1 Control Keys
The keys on the front panel and the
remote control work the same way.
A
RROW
K
EYS
—
Use the arrow keys to move the
screen image up, down, left, or right.
If you press an arrow key once, the
image will move by one pixel; if you
hold down the arrow key, the image
will move faster.
CONTRAST +
AND
–
Press +to lighten the image
and –to darken it.
CLEAR
Clears the image, whether a signal is
present or not. Push the CLEAR
button again to restore the image.
RESET
Restores the screen position,
contrast, and color to the default
settings. Press RESET and COLOR
together to select either Mac LC
or Hercules Graphics mode.
COLOR
AND
These buttons select the color mode.
There are five different color modes:
• 8-color
• 64-color
• 512-color
• 32,768-color
• 262,144-color
The default is 512-color mode.
Pressing the
button changes the
selection one step toward the 8-color
mode; pressing the
button
changes it one step toward the
262,144-color mode. For some
images, a mode with fewer colors
will give you a more brilliant and
saturated color. Pick the mode that
looks best with your image.
4. Using the LCD Panel
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