Planar Bobcat X SN-4045-WX User Manual

Bobcat X

SN-4045-WX

User Guide

2

SN-4045-WX

Bobcat X

40" Direct-view LCD Panel

User Guide

020-0550-00B

Copyright ©30 Jan 2007 by Planar Systems™, Inc. All Rights Reserved.
Contents of this publication may not be reproduced in any form without permission of Planar Systems, Inc.

Trademark Credits Windows™ is a trademark of Microsoft Corp.

APLCD® is a registered trademark Planar Systems, Inc.

All other names are trademarks or registered trademarks of their respective companies.

Disclaimer The information contained in this document is subject to change without notice. Planar Systems, Inc. Company
makes no warranty of any kind with regard to this material. While every precaution has been taken in the preparation of this
manual, Planar Systems shall not be liable for errors or omissions contained herein or for incidental or consequential damages
in connection with the furnishing, performance, or use of this material.

Limited Warranty Planar warrants to Buyer that the Bobcat X (hereinafter, the “Product”), if properly used and serviced,
will perform substantially in accordance with the product data sheet and users manual, and will be free from defects in material
and workmanship for one year following date of shipment. This warranty does not apply to air filters and other consumable
parts.

If any Product fails to conform to the written warranty, Planar's exclusive liability and Buyer's exclusive remedy will be, at
Planar's option, to repair, replace or credit Buyer's account with an amount equal to the price paid for any such defective Prod­uct returned by Buyer during the warranty period, provided that: (a) Buyer promptly notifies in writing that such Product failed
to conform, furnishes an explanation of any alleged deficiency and obtains from Planar a return authorization; and (b) Planar is
satisfied that claimed deficiencies actually exist and were not caused by accident, misuse, neglect, alteration, improper instal­lation or repair, or improper testing. Planar will have a reasonable time to make repairs, to replace Products, or to credit
Buyer's account.

Limitations Any written warranty offered by Planar is in lieu of all other warranties, express or implied. Planar neither
assumes nor authorizes any other person to assume any other liabilities in connection with the sales or use of any product with­out limitation. Planar disclaims all other warranties, express or implied, including any warranty of merchantability or fitness
for a particular purpose. In no event will Planar be liable to buyer or any other party for procurement costs, loss of profits, loss
of use, or for any other incidental, consequential, indirect or special damages or for contribution or indemnity claims, however
caused. Planar's liability shall be limited to actual direct damages not in excess of the amounts paid to Planar by buyer for the
Product. These limitations will apply to all claims, including, without limitation, warranty, contract, indemnity, tort (including
negligence), strict liability or otherwise.

Quality Assurance Program To ensure long-term, top-quality performance of Planar’s direct-view LCD products, Planar
provides out-of-warranty coverage for image quality failures with a prorated replacement cost discount, as detailed below

For a period of three (3) years from the date of shipment, the Product is covered against temporary image retention (TIR)
and uneven display (UD), which is the formation of dark banding or streaking. If the Product exhibits TIR or UD that is visu­ally objectionable in normal use during the original one (1) year warranty period, the Product shall be repaired or replaced
under Planar warranty policies and procedures. If the Product exhibits visually objectionable TIR or UD outside the warranty
period, Planar will discount the replacement or repair cost of the LCD panel on a monthly prorated basis up to a maximum of
three (3) years from the original shipment date. For example, if the Product fails in the 24th month from shipment, the cus­tomer will be charged 24/36 or 2/3 of the repair cost. Planar will absorb the remaining 1/3 of the cost of repair. The buyer is
responsible for shipping the Product back to Planar; Planar will cover the cost of shipping the repaired Product back to the
Buyer. Repair of the Product is the only warranty option. Planar will not refund the Buyer for the unused portion of the
expected product life. The replacement LCD is fully warranted for ninety days or the remainder of the original Product’s
expected life, whichever is shorter. The replacement LCD qualifies for the additional TIR warranty coverage for the remainder
of the original Product’s expected life. If TIR or UD symptoms can be rectified by turning off the Product or by displaying a
solid black image for two hours, and the Product shipped from Planar within the past three years, the LCD is not eligible for
replacement under the terms of the prorated replacement cost discount program

This prorated replacement cost discount program of LCD panel performance is exclusive of all other warranties written,
express, or implied. All other failure modes are excluded from this additional warranty coverage and strictly covered by the
original one (1) year limited warranty.

ii Bobcat X User Guide

Table of Contents

1.1 What are the Main Features of Bobcat X? … 1

1.2 You Should Have These Accessories … 2

1.3 Safety for You and Bobcat X … 3

2.1 Installing the DVI Board … 7

2.2 Installing the Bobcat X Wall Bracket … 11

2.3 Hanging the Bobcat X on the Wall Bracket … 13

2.4 Connecting Power … 15

2.5 Connecting Picture Sources … 17

2.6 Connecting RS232 Communication … 19

3.1 Quick Start … 21

3.2 Setting Up a Bobcat X … 23

3.2.1 Selecting the Picture … 25

3.2.2 Adjusting Levels for Digital Sources … 29

3.2.3 Adjusting Levels for Analog Sources … 31

3.2.4 Adjusting Levels for Video Sources … 33

3.3 Aspect Ratio Settings … 35

3.3.1 Adjusting Sharpness … 41

3.3.2 Adjusting Position … 43

3.4 Tiling a Display … 45

3.5 Saving and Recalling Configurations … 47

3.5.1 Saving Configurations … 48

3.5.2 Recalling Stored Configurations … 51

3.5.3 Deleting a Configuration … 53

3.5.4 Memory: What Is Saved? And Where? … 54

3.5.5 Adjusting Color Balance … 57

3.5.6 Zoom and Position … 61

3.5.7 Viewport Adjustment … 63

3.6 Advanced Options … 65

3.6.1 Auto Setup Options … 66

3.6.2 Menu Options … 67

3.6.3 Miscellaneous Options … 68

3.6.4 Backlight Control … 69

3.7 Serial Port Settings … 71

3.8 Other Operations … 73

4.1 Cleaning the Screen … 75

5.1 Basic Bobcat X Troubleshooting Steps … 77

5.2 Reading the Status Menus … 81

iii

5.3 Test Patterns … 83

6.4 Menu Structures … 85

6.5 Remote Control Buttons … 123

6.6 Drawings … 129

6.7 Connector Locations and Diagrams … 131

6.8 Optimizing Your Planar Display … 133

6.9 EDID: What It Is and How It Works … 135

Glossary of Terms … 137

Specifications for Bobcat X … 139

Regulatory Information … 141

Index … 143

iv

v

1.1 What are the Main Features of Bobcat X?

Flat screen, long backlight life (60,000 hours). Portrait or Landscape orientation

Bobcat X is a 40" LCD display that can be wall-mounted or
mounted on a stand. The display can be portrait or land­scape.

Landscape

Bobcat X is only 3.96" deep. Its aspect ratio is 1.77
(16:9). Its native resolution is WXGA (1366 × 768). It
accepts a wide range of input pictures from VGA to UXGA
in either analog or digital (DVI).

For video it accepts NTSC, PAL, and SECAM as com­posite, component, or S-Video.

Most important, it is easy to set up and adjust.

What features were added to Bobcat X?

Bobcat X was developed from Bobcat II
(SN-4035-WX), and adds these features and enhancements.

Portrait

• Native WXGA resolution

• Increased contrast ratio of 1000:1

• Can be ordered in two different configurations: Base
Model and Video Model

• Automatic ambient light sensing and backlight adjust­ment

• 40 memory slots for easy configuration switching

• Improved video performance

• Improved component serviceability

• Optional tabletop feet

1

1.2 You Should Have These Accessories

Standard accessories

• 1 Power cord

• 1 VGA cable

•1 Remote control

• This User Guide

Optional accessories

• Free-standing feet

• Adapter Plate, WAL-4025-00, with hardware

Bobcat X

SN-4045-WX

The Adapter Plate comes with 4 nuts and 8 metric
screws. The 4 nuts hold the Wall Bracket to the Adapter
Plate.

User Guide

• Wall Bracket, with CATLOCK™ and locking tool

The Adapter Plate can be bolted to a wall. Or the
Adapter Plate can be screwed onto an NEC plasma monitor
display stand using the 8 metric screws.

2

1.3 Safety for You and Bobcat X

This list of safety warning and caution notes isn’t very long. Reading it could save you from getting an electric
shock.

This display was designed with safety in mind. How­ever, if you don’t heed the safety warning and cautions, you
could get hurt. The safety warning are on stickers in various
places in and on the display. They are reproduced on these
pages so you can see them all at once.

There are some other times you should know relating to
safety:

WARNING

Wall mounts must be secure.

If the displays are hung on a wall, the wall must be
strong enough to hold them. Each display unit weighs
about 55 lbs. (25 kg). Simply mounting it to wallboard or
wall paneling won’t be adequate or safe. The mounting
method must be capable of holding 5 times this weight, 275
lbs. (125 kg) for each display unit.

CAUTION

The screen could be damaged by heavy pres­sure.

Bobcat X screens are protected with a cover glass to
protect the LCD.

Some Bobcat Xs are shipped, at customer request, with­out this protective glass. In these, the LCD is not protected.
Slight pressure on the LCD will cause distortion of the
image. Heavier pressure will cause permanent damage.
Bobcat Xs of this type should be mounted where viewers
cannot touch the screen.

Lamp(s) inside this product contain mercury.
This product may contain other electronic

waste that can be hazardous if not disposed
of properly. Recycle or dispose in accordance with
local, state, or federal Laws. For more information,
contact the Electronic Industries Alliance at

www.eiae.org

check www.lamprecycle.org

. For lamp specific disposal information,

.

3

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5

6

2.1 Installing the DVI Board

Planar Systems ships the DVI board separately from the Bobcat X to some customers and for field upgrades.

✎

The DVI Board is the field-installed video board for
the Video Model of Bobcat X.

1. If you powered up the unit to confirm proper working
order upon receipt, turn off AC power to the Bobcat X
and remove the power cord.

2. Place the unit face down on a flat surface on something
soft and non-scratching. If your unit does not have a
protective face glass panel, be EXTREMELY careful as
the LCD material can be scratched.

3. Confirm that your DVI Board package contains four (4)
mounting screws, a replacement DVI cover panel, and a
disposable grounding wrist strap.

4. On the back of the Bobcat X, remove the blank cover
panel.

b) Remove the blank panel by pushing down slightly

on the inserted end of the panel as you pull it out.

As you remove the panel,
push down slightly on this
end of the panel as you pull
it towards you

a) Unscrew the two screws holding the blank panel in

place. Save the screws for the replacement panel you
will install later.

7

c) Recycle the blank panel with other aluminum scrap

metal.

5. Attach the grounding wrist strap to bare metal on the
chassis. Using standard ESD procedures, remove the

DVI board from the anti-static bag. (The DVI board is
shown in the pictures below.)

Use a grounding wrist
strap (not shown) or
other personal ESD
devices to prevent
damage to the board

6. Carefully slide the right side of the board into the slot
on the right side of the opening.

7. Align the connector on the board with the connector in
the opening.

Gently push the board into the connector. The board is
fully seated when the four screw holes are aligned.

8. Screw down the four corners of the DVI board with the
supplied mounting screws.

8

9. Slide the DVI replacement cover panel into place. Press
down gently on the insertion end of the panel to help
the tabs insert in the slots.

As you insert the panel,
push down slightly on this
end of the panel

10. Secure the DVI replacement cover panel using the
screws you removed earlier.

9

10

2.2 Installing the Bobcat X Wall Bracket

The Bobcat X hangs on its wall bracket in either landscape or portrait orientation.

Installing the wall bracket

The wall bracket comes with each Bobcat X. See picture

in “You Should Have These Accessories” on page 2.

Using hardware you supply, bolt or screw the wall
bracket to a wall. Be sure to bolt or screw to structural ele­ments of the wall, not just the wall board or drywall. The
Bobcat X weighs 55 lbs. (25 kg). The mounting method
you use must be capable of holding five times this weight
(265 lbs., 120 kg). The mounting holes are on 6.26" cen­ters. When installed, the wall bracket protrudes 0.375" from
the back panel of the Bobcat X.

✎ This space at the rear of the Bobcat X will

be occupied by the wall bracket when the
display is hanging on a wall.

Ventilation

The Bobcat X needs no space to the rear for ventilation.
However, like all electronic devices, it does produce some
heat. The space above the display should provide enough
space so that heated air can get away. This means you
should not mount it into a sealed space with nowhere for
the heated air to escape.

Portrait or Landscape

The wall bracket always mounts the same way, whether
the displays will be hung as portrait or landscape. The
hooks on the wall bracket should always have the open part
facing upward.

✎ The Locking Wall Bracket does not have the

large back plate. It consists of the square, open
box with the locking mechanism. This Locking
Wall Bracket with CATLOCK™ is a standard
accessory.

For array mounting guidelines, contact Planar Systems.

11

12

2.3 Hanging the Bobcat X on the Wall Bracket

The locking system for the Bobcat X wall bracket prevents the display from jumping off the bracket during earth
tremors, and it helps deter theft.

Two-person job

The Bobcat X weighs just over 55 lbs. (25 kg). Always
have two persons hang the display on the wall bracket.

Two orientations

The Bobcat X hangs in either landscape or portrait ori­entation. The small black square shows the position of the
AC power receptacle. The gray rectangle shows the posi­tion of the picture connectors, when viewed from the front.

Landscape

Portrait

✎ The Bobcat X will not rotate the picture. The

source (computer or video source) must rotate the
picture. The Bobcat X can rotate the menus, so
the internal menus will be upright with either
orientation.

Hanging the display

Before you hang the first display, practice using the lock
lever to open and close the locking mechanism.

4. Use the locking tool to lock the display onto the wall
bracket. To see if it is locked in place, try to lift the dis­play. If it won’t lift, its locked.

Locking and unlocking

This end of the locking tool
works from below the wall
bracket.

This end of the locking tool
works from the sides of the
wall bracket.

✎ After the display is hung, the connectors for video

and power are a little difficult to see. Some
installers connect power and video cables just
before hanging the display.

1. Be sure the locking lever is in the open position. The
tab on the lever should not protrude below the bottom
of the box.

2. Using two persons, lift the display so the power recep­tacle is at the bottom for landscape hanging.

✎ For portrait orientation, the power receptacle will

be on the left, looking from the front.

3. Hang the display in the hooks. Pull forward on the dis­play to see that it is properly in the hooks.

13

Unlocking from the side: Slide the tool in from the side. It will ride up
over the lock and catch it. Pull the lock back to unlock.

Unlocking from the bottom: Slide the tool in from the bottom, keep­ing the open side of the hook to the left, as shown. Catch the lock and
pull down.

Back side of the locking lever, showing the
two pins that the tool hooks onto.

14

2.4 Connecting Power

Bobcat X accepts 110-120 VAC and 200-240 VAC with no manual switching. It is the responsibility of the
installer to provide the power supply cord certified for use in the destination country.

Plug the power cord into the receptacle on the rear of the
Bobcat X. Plug the other end into a good source of AC
power.

When ready, turn on the power switch.

Normal operation

It is normal to leave the power connected and the power
switch on all the time and turn the backlight on and off as
desired.

For power receptacle dimensions, see see “Connector
Locations and Diagrams” on page 131.

Power receptacle and power switch location

15

16

2.5 Connecting Picture Sources

The Bobcat X accepts inputs from many different sources, depending on configuration

Which Configuration Do You Have?

The Bobcat X can be ordered in one of two configura-

tion: Base Model or Video Model.

Base Model Inputs

The base model has on analog computer video input port
and two RS232 ports (input and output). You may connect
standard sources ranging from VGA to UXGA and 480i,
480p, 720p, or 1080i to the analog video input port.

Video Model Inputs

The Video Model has a total of five different inputs. Of
these five different video inputs, four are the same for both
models: Analog, Composite, S-Video, and Component
(YPbPr).

The fifth connector on the Video Model is a DVI input
port that accepts all video and graphics signal inputs up to
165MHz pixel clock.

Computer sources

Connect analog computer sources to the analog connec­tor or on Video Models, connect digital computer sources
to the DVI connector.

Most DVD players have red, green, and blue RCA con-

nectors for component video output.

Connectors and Locations

The locations of the connectors are show in the illustra-

tion on 7.

✎ For exact locations and dimensions of connectors,

see “Connector Locations and Diagrams” on
page 131.

Since computer sources are RGB, you must set the Col­orspace to RGB in the Picture menu.

Video Sources

Connect composite video sources to the yellow RCA
connector, S-Video sources to the S-Video connector, and
component video sources to the red, green, and blue RCA
connectors.

Component and S-Video connectors accept NTSC and
PAL video sources. The composite connector also accepts
SECAM video sources.

✎ For some customers and field upgrades, video

boards are shipped separately and must be
installed prior to use. For more information, see
“Installing the DVI Board” on page 7.

YPbPr sources

Component video sources, such as those provided by

some DVD players, should be connected to the component
connectors. These connectors accept 480i and 576i signals
(480p and HD signals are not accepted).

17

The Video Model

The Base Model (shown above) has
only and Analog VGA connector.

18

2.6 Connecting RS232 Communication

5 4 3 2 1

6789

RS232 control is not necessary for operation, but it is a convenient way to control Bobcat Xs from a distance. If
your installation will not use RS232 control, skip this section.

RS232 control has one big advantage: you can control all
the units from a computer at a considerable distance from
the wall. You can control:

• units one at a time;

• several video walls separately;

• all the units in all the walls at the same time.

Almost everything you can do with the remote, you can
do with RS232 commands. Plus, you can send inquiries to
the units and find out the current settings and values.

RS232 connections are made with cables like those used
for computer networks. These cables have eight (8) con­ductors and have RJ-45 connectors on each end.

✎ It is important that the cable has “straight through”

connections. To know if your cable is correct, hold
the two connectors side by side with the ends
pointing in the same direction. Look at the side of
the connectors that do not have the locking tab. If
the colors of the wires inside the connector are the
same left to right for both connectors, this is the
correct cable. If the colors are mirror reflections of
each other, it is the wrong type.

Wiring the adapter

To go from 9-pin D-sub serial connector on the back of the
computer to an RJ45 connector, use a standard
RJ45-to-9-pin adapter. Wire it internally as shown. The
wiring shown for this adapter is correct for straight-
through cables. Straight-through cables are wired 1-to-1,
2-to-2, etc.

Yellow wire pin 3

Black wire pin 2

Green wire pin 5

RJ45 9-pin

63

55

32

You need an adapter to go from the computer’s 9-pin serial
output connector to an RJ-45 connector. Adapters of this
type are readily available at computer and electronic supply
stores. You will only need one adapter; all the rest of the
connections will be RJ-45 to RJ-45.

The adapter is not pre-wired. You will make three con­nections inside the adapter, as described below.

1

RJ45 looking into the socket

Connecting RS232 cables

1. Connect the adapter to the serial output connector of
the controlling computer. (This computer does not have
to be the same one as the computer used as a picture
source.) The serial output is sometimes called the
Comm Port, and sometimes there are two.

8

✎ If the serial output is a 25-pin connector, use a 25-

to-9-pin adapter, then the 9-pin to RJ-45 adapter.

19

2. Connect a cable from the RJ-45 adapter to the nearest
unit’s RS232 In connector.

3. Connect this first unit’s RS232 Out connector to the
next unit’s RS232 In connector.

4. Continue in this way until all units are connected.

✎ The order in which you connect the units is not

important. You can connect them in any order that
is convenient and keeps the cable lengths to a
minimum.

From the first unit, connect RS232 Out to the next unit’s
RS232 In. Continue in this way until all units are in the
loop. The order of units in the loop does not matter because
each unit in the array must have a unique address.

✎ The loop-through limit is approximately 30 units in

typical situations. However, if the units are spaced
far apart or the total length of the loop-through is
very long, this limit may be reduced. You may
need multiple RS232 sources.

For information about configuring RS232 communica­tions, see “Serial Port Settings” on page 71.

RS232 Connector Location

For exact locations and dimensions of connectors, see
“Connector Locations and Diagrams” on page 131.

20

3.1 Quick Start

After you select the picture source, most of the rest of setup is automatic, although you can override the automatic
settings and adjust anything manually.

Selecting the source means choosing the connector where
the picture is coming in. You’ll chose from the following
connectors, depending on the model:

Base Video

Analog Analog

DVI

Composite

S-Video

Component (YPbPr)

Quick start

Connect power and turn on the power switch, which should
light. The backlight will come on automatically. If the
power was already on, and the backlight is off, press the
remote

ON button.

1. Aim the remote control at the lower right corner (in
landscape mode; in portrait mode, it is in the lower left
corner of the Bobcat X) and press

SOURCE on the

remote.

ON

LAMP

OFF

SOURCE

CURTAIN

SAVE

LEVEL

FREQ/

PHASE

SETUP

2. Press

MENU. The Main Menu displays on the screen

Main Menu

Picture

Size & Position

Aspect Ratio & Wall

Memory

Diagnostics

Advanced Options

Program Information

3. Select Picture with the up-down arrow keys on the

remote and press

Picture

Source Analog 2

Colorspace RGB

Sync Type Separate H&V

Vertical Frequency (frame locked) 60Hz

Horizontal Frequency 1080 kHz

Pixel Frequency 1280MHz

Horizontal Resolution 1280

Vertical Resolution 768

Frequency

Phase

ENTER. This opens the Picture menu.

1232

100.0

The Bobcat X looks at each of the connectors and stops
on the first one that is receiving a valid picture.
If this is successful (it may take 10 seconds) stop here.
If you have several sources connected, press
again to go to the next one with a picture.
If you get no picture or have other trouble, read the rest
of these steps.

✎ If you use a video source (such as from a

progressive DVD player) on the Analog or Digital
inputs, manually change the Colorspace to YPbPr.
Otherwise the colors will be wrong.

21

Sharpness Sharpest

Input Levels

SOURCE

✎ TIP: The FREQ/PHASE button opens the Picture

Landscape

Portrait

IR Receiver
and Power LED

menu directly.

• The IR receiver for the remote is a small hole in the
lower left corner of the display. Be sure the remote is
aimed toward it. (In Portrait orientation the IR receiver
is in the lower left corner.

About the remote

The remote control operates with IR (infra-red) signals
going to the IR receiver. The receiver is in the lower right
corner (in landscape mode; in portrait mode, it is in the
lower left corner) of the screen bezel behind a small hole.

4. Select Source and press E

NTER. This opens the

Source menu (the menu shown below is from the

Video Model; the Base Model have different options):

Analog

Digital

Component (YPbPr)

S-Video

Composite

5. With the UP or DOWN arrow keys, select the input
connector you want:

All Models Analog, usually computer sources,

VGA through UXGA

Video Model Digital (DVI connector)

Component

Composite Video

S-Video

(Later, to prevent accidental adjustment of the display,
disable the remote control function using an RS232 com­mand.)

A quick reference for all the remote buttons is found in
“Remote Control Buttons” on page 123.

If the remote doesn’t work

• The batteries in the remote are dead or installed wrong.

• The remote was not aimed at the screen.

• Something is blocking the IR receiver in the Bobcat X.

• IR remote action was disabled by an RS232 command.

✎ The remote control has a large spread of its IR

radiation. It is difficult from a distance to control
only one Bobcat X in an array. Step closer.

6. Press

ENTER. The Bobcat X will immediately display

the picture. Within a second or two the Bobcat X will
analyze the picture and adjust to it.

If you see no picture …

• Check the source by connecting it to another type of
display. If the source is a laptop, maybe it has timed out
and the screen is blank. Did you enable the VGA output
on the rear of the laptop?

• Check the power switch near the AC power cord. It
should be lit.

22

3.2 Setting Up a Bobcat X

The source picture—from computer, video, DVD—is not always perfect in its size or resolution; it does not always
conform exactly to a standard. Bobcat X can compensate for this.

You’ll find it easier to configure your Bobcat Xs when you
perform the steps in the following order:

• Select the Source (Picture)

• Adjust the Input Levels

• Select the Scale Mode

• Adjust the Sharpness

• Check the Image Position

Then if you are using multiple units, whether in a ban-

ner, tower, or wall, perform the remaining steps:

• Set up Tiling for the image on multiple units

• Adjust Scaling and Cropping

• Color Balance the units

Computer sources vary quite a bit from computer to com­puter. They even vary between video outputs on the same
video card. Video sources vary more.

To make the Bobcat X respond correctly to these non-

standard sources we adjust Input Levels.

How does Input Level relate to Color Balance?

To make all the displays show the same color and bright­ness across the whole array, you need to adjust input levels
and do color balancing.

The Input Level adjustment process asks you to provide
a picture from the computer that is black, then one that is
pure white. With these, you can quickly and automatically
make the display “learn” what this computer means by
black and white.

The result? Good pictures, using all the dynamic range
of color coming from the computer.

✎ For Input Levels, if you must use black and white

coming from the computer you will use for the
program. Don’t make this adjustment with your
work laptop and then switch to another computer
for the display’s program of pictures.

What does Color Balance do?

Color balancing adjusts all the displays in an array so
they produce the same colors across the entire array.

Displays differ from one another because of very small
differences in the color of the light produced by the back­light and by differences in the liquid crystal panels them­selves.

In color balancing you use the display’s internal test pat­terns of white, first, then gray. The internal pattern assures
that a pure white is used.

You can do Input Levels first, or you can do Color Bal-

ance first. It doesn’t matter. But they must both be done.

✎ Input Levels and Color Balance do not affect each

other, but they both affect the final picture.

✎ If you have a stand-alone application, you don’t

need to do color balancing, but you can use the
Color Balancing menu to adjust the color to your
preferences. Nonetheless, you should still set
Input Levels.

What does Input Level do?

For analog computer sources adjusting to the computer’s
picture output means finding what that computer means by
black and white.

Black is supposed to be a voltage of zero coming from
the computer’s video card, but it almost never is. White is
supposed to be a voltage of 0.7 volts, but it usually isn’t
either.

23

Configuring units with RS232

If you intend to configure the units using RS232, you’ll
need to do one of the following:

• Learn and use the RS232 command equivalents for the
menu commands in this chapter.

• Via RS232 commands, “disable” the remote control for
all units other than the one you are currently configur­ing.