Page 1
Product Specification -
LC08 High-Bright Monitor
Document Number: 023-0283-00
Revision: C
Title: Product Specification – LC08 High-Bright Monitor Page 1 of 26
Document Number: 023-0283-00 Rev C
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Table of Contents
Section 1 Introduction 4
1.1 Description 4
1.2 Display Format 4-5
Section 2 Basic Construction 6
2.1 Connectors 6
2.1.1 Video Signal Connector 6
2.1.2 DC Power Input Connector 6
2.2 Interface Cables 6
2.3 LCD Controller Board 6
2.4 Grounding 6
2.4.1 Chassis Ground 6
2.4.2 Signal Ground 7
2.5 External Controls 7
Section 3 Environmental 8
3.1 Temperature and Humidity 8
3.2 Altitude 8
3.3 Vibration and Shock 8
3.3.1 Vibration (for non-packaged item) 8
3.3.1.1 Sine sweep 9
3.3.1.2 Random Vibration 9
3.3.2 Shock (for non-packaged item) 9
Section 4 Video Signal Input Requirement 10
4.1 Video Input Lines 10
4.2 Signal Functions 11
4.2.1 Video Parameters 11
4.2.2 Synchronization 12
4.2.2.1 Mode Detection 12
4.2.2.2 Color Display Detection 13
4.3 Signal Quality 13
4.3.1 Video Signal Duty Cycle 13
4.3.2 TTL Sync Pulse Signal Levels 13
4.3.3 Rise / Fall Time 13
4.4 Timing And Frequency 14
4.4.1 Video, Horizontal And Vertical Sync 14
Section 5 DC Power Input Requirements 16
5.1 DC Power Input Lines 16
5.2 DC Input Voltage / Current 16
5.3 Power On-Off Sequences 17
Section 6 Display Performance 18
6.1 Display Luminance 18
6.2 Display Contrast 18
6.2.1 Room Ambient Contrast 18
6.2.2 High Ambient Contrast 18
6.3 Display Uniformity 18
6.4 Display Chromaticity 18
6.5 LCD Panel - Physical Image Characteristics 19
Section 7 Display Cosmetics 20
7.1 Black Display Picture Mode 20
7.2 White Display Picture Mode 20
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Section 8 Regulatory Agency Requirements 21
8.1 Safety Certification 21
8.2 CE Marking 21
8.3 RFI Emission Certification 21
8.4 System Transient Disturbance Requirements 22
8.4.1 Electrostatic Discharge Requirements 22
8.4.2 Electromagnetic Energy Susceptibility Requirements 22
8.5 Labeling 22
8.6 Color Coding 22
Section 9 Reliability 23
9.1 Design Workload 23
9.2 Critical Failures 23
9.3 Failure Definition 23
Appendix 1 Glossary of Terms 24-25
Revision History 26
Figures
Figure 1. Display Illustration 4
Figure 2. External Adjustments 7
Figure 3. Definition of Axes for Shock and Vibration 9
Figure 4. Video Signal Connector - Pin Number Assignments 10
Figure 5. Video Signal Connector Illustration 10
Figure 6. Purposely left vacant
Figure 7. Rise / Fall Time 10
Figure 8. Purposely left vacant
Figure 9. TTL Allowable Signal Levels 11
Figure 10. Duty Cycle 12
Figure 11. VGA Signal Timing 14
Figure 12. DC Power Input Connector - Pin Assignments 16
Figure 13. DC Power Input Connector Illustration 16
Figure 14. Current Profile 17
Tables
Table 1. Temperature / Humidity Limits 7
Table 2. Video Mode Definitions 12
Table 3. Dot Clock Frequencies 14
Table 4. Measured u’, v’ Color Coordinates 19
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Section 1 - Introduction
This document defines the electromechanical parameters and operating characteristics for an Active Matrix
Liquid Crystal Display (LCD) Panel based color display, hereafter referred to as the Display. It is intended for
operation under ambient light conditions ranging from darkness to full sunlight.
1.1 Description
Figure 1. Display Illustration
The Display is a VGA compatible color display unit that can be driven directly from the standard analog
Video Graphics Array (VGA) output on a personal computer (PC). It consists of a 8.4" viewable diagonal
LCD Panel with optical elements, Cold Cathode Fluorescent Lamps (CCFL), Inverter Board, and LCD
Controller Board . Cooling fans provide temperature stabilization within the Display’s operating
environment . Two (2) chassis mounted connectors at the rear provide for video signal and DC power
input connection. These components will be mounted in a fully enclosed chassis.
1.2 Display Format
The Display must be compatible with IBM VGA 1 and VESA2 video standards. Its operating frequency
range is 31.5 KHz to 48.1 KHz horizontal; 60 Hz to 72 Hz (non-interlaced) vertical. Supported video
resolutions supported are as follows:
For IBM VGA1 modes, the Display will accept 640 dots horizontally; 400 or 480 lines vertically and 800
dots horizontal, 600 lines vertical for the VESA2 modes. VGA border(s) are excluded from the active
display area definitions listed in this document. Figure 11 defines the IBM VGA 1 and VESA2 video signal
timing requirements.
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The LCD Controller Board (Section 2.3) will automatically program itself, sensing incoming
horizontal/vertical frequencies and sync pulse polarities to completely “fill” the active display area of the
Display with the video resolution being presented. Video Mode Definition parameters for video
resolution detection by the video board are shown in Section 4.2.2.1.
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Section 2 - Basic Construction
2.1 Connectors
There are two (2) connectors supplied as an integral part of the Display.
2.1.1 Video Signal Connector
The video input signal cable will connect to a chassis mounted 15-pin female mini D-Shell connector
(AMP 748390-5 or equivalent) with socket contacts at the rear of the Display. Shielded for
electromagnetic interference (EMI) purposes, it shall perform electrical interconnection between the
Display and user logic. Refer to Section 4.1 for electrical connections.
2.1.2 DC Power Input Connector
The DC power input connector will be a chassis mounted 2-pin "MAT-N-LOK" style connector (AMP 1-
480699-0 or equivalent) at the rear of the Display. The connector housing incorporates male pin
contacts. Connections (Section 5.1) are insulated to insure no accidental contact.
2.2 Interface Cables
No interface cables are provided. Planar can provide suggestions on available cables.
2.3 LCD Controller Board
The LCD Controller Board incorporates components necessary to drive the LCD Panel (Section 6.5).
Accepting VGA and VESA video standards (Section 1.2), these video signals are digitized and processed
for the LCD Panel. Due to the LCD Panel’s fixed video resolution (800 x 600), the LCD Controller Board
performs independent horizontal and vertical zoom and shrink scaling of specified video resolutions
less than or greater than the LCD Panel’s video resolution to fully accommodate the LCD Panel’s
capability.
Magnification of specified video resolutions to match the native LCD Panel’s resolution incorporates
scaling algorithms minimizing aliasing and image distortion. The LCD Controller Board includes the
following characteristics:
• Per pixel scaleable filters providing text sharpening and graphics smoothing for the highest
possible image quality.
• Color depth enhancement by performing spatial-temporal dithering eliminating visual artifacts
resulting in clear and crisp text and graphics.
2.4 Grounding
Two (2) types of ground are provided:
Chassis
and
Signal
ground.
2.4.1 Chassis Ground
The chassis ground is a conductor that is grounded to the earth within user circuitry. It may not be used
for current carrying purposes. It is to be used only for non-current carrying purposes such as
electromagnetic compatibility (EMC).
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2.4.2 Signal Ground
Signal ground is electrically connected to chassis ground via the LCD Panel, video board and mounting
screws. However, there are no DC currents carried through this interconnect.
2.5 External Controls
The display comes from the factory adjusted for the supported modes. When using these modes,
adjustment should not be necessary. However, if it should become necessary, or a non-supported mode
is selected, the following controls are available for adjustment.
There are 4 push buttons located on the back of the display, which allow adjustment of the displayed
image. See figure below for button locations. The provided controls are:
Name
Function
Dot Clk - Clock Frequency/Phase Decrease
Dot Clk + Clock Frequency/Phase Increase
Horiz Horizontal Position
Gain Video Gain
The Clock Frequency /Phase adjustments are dual function buttons. The phase allows for 32 positions of
phase control. If the button is held down, the clock frequency is adjusted up or down 1 clock each time
the phase control register rolls over. To adjust the clock frequency further, continue to hold the button
down. If phase adjustment is desired, it’s best to use single presses.
The Horizontal Position is adjusted by holding down the Horiz button. The position will shift by 1
column for each press. If the button is held down, the position will continuously adjust until released.
The direction of the adjustment depends on the direction of the last adjustment. The direction will
continue to be true until the maximum or minimum adjustment is reached. At this point, the direction
will reverse.
The Gain adjustment is to allow the full scale of the input video to be utilized. The direction of this
adjustment will reverse when a limit is reached. For example, it will adjust from maximum to minimum,
then reverse and go from minimum to maximum. The best way to make this adjustment is with a
continuous gray scale pattern on the display. A proper adjustment will give continuous shading from
black to white.
Gain
Power
12VDC
Figure 2. External Adjustments (Rear View)
Horiz
DotClk +
DotClk -
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Section 3 - Environmental
3.1 Temperature and Humidity
The Display shall withstand operating and storage environmental conditions listed in Table 1.
Temperature
General Operating Shipping and Storage
o
0
C to 60oC
o
F to 140oF]
[32
Relative
Humidity
Note 1,4
Table 1
. Temperature / Humidity Limits
Note 1: Tair ≤32ºC : 95% RH maximum.
Tair >32ºC : Absolute humidity content not to exceed 100% at 32ºC
Note 2: Tair @ 20ºC < 48 hours
Tair @ 60º C < 168 hours
Note 3: Background color changes slightly depending on ambient temperature
This phenomenon is reversible.
Note 4: Tair @ -30ºC : 15% RH (exterior face of Vandal Shield)
Tair @ 54ºC : 100% RH (exterior face of Vandal Shield)
Comments
o
-20
C to 60oC
o
F to 140oF]
[-4
Note 2,3,4,5
Note 1
Without
Condensation
Note 5: The LCD Panel is not warranted above 50ºC operating temperatures with a reduction in
MTBCF specified in Section 9.2.
Reference to "room ambient" is defined as 25ºC -30ºC [77ºF - 86ºF] and shall apply throughout this
specification unless otherwise noted.
This Display will not be subjected to environments outside of the limits of Table 1 for testing or any
other purpose.
3.2 Altitude
Maximum operating altitude shall be 3,000 meters [9,850 feet]. Maximum shipping and storage altitude
is 12,000 meters [39,400 feet].
3.3 Vibration and Shock
The packaged Display must comply to ASTM D4169,
Shipping Containers and Systems
3.3.1 Vibration (for non-packaged item)
The following Sections 3.3.1.1, 3.3.1.2, and 3.3.2 apply.
Standard Practice for Performance Testing of
. See Figure 3 below for orientation of axes.
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3.3.1.1 Sine Sweep
The Display withstands a vibration of 0.9G from 10 Hz - 200 Hz (120-second sweep cycle) for 15-minutes
in each of three axes (x, y, z).
3.3.1.2 Random Vibration
The Display complies to ASTM D4728,
Shipping Containers
. This test uses:
Standard Test Method for Random Vibration Testing of
truck level II
, for a one hour duration
3.3.2 Shock (for non-packaged item)
The Display withstands a 76mm [3in]
equivalent
drop height with at least 2.5-msec duration pulse in all
three axis. Approximately 30G’s of shock are generated.
Figure3. Definition of Axes for Shock and Vibration
on the Z axes
.
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Section 4 - Video Signal Input Requirements
4.1 Video Input Lines
The Video Signal Connector will consist of fifteen (15) positions wired numerically and supplied
attached to the Display as a chassis mounted connector per definitions listed in 3. The "No Pin"
positions of this connector may not be used for any purpose.
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4.2 Signal Functions
4.2.1 Video Parameters
As seen by the source, the display R, G and B input resistance is be 75-ohm, ±10%; input capacitance at
50 MHZ < 30 pF.
The video input signal will have a range of 0 mv to 714 mv (maximum) where 0 mv is minimum
luminance. Rise and fall times for the input signal (10% - 90%) must be <
When terminated with an ideal 75 ohm termination, the dark state (black input) is defined as a level
between 0 mv and 10 mv. The white state (full white) is dependent on the VGA controller source driving
the Display. Maximum output levels may range from 550 mv to 714 mv. Nominal 680 mv input voltage
shall be defined as the default for setup requirements.
Displayed image intensity and color change follows visual linearity with the video analog input. This is
necessary to provide a uniform user color change on the screen in response to a uniformly stepped
analog input. The Display is capable of resolving a minimum color range of 262,144 displayable colors (6
bit resolution for Red, Green and Blue). This interpolates to 64 shades of gray (or color) at the Red,
Green, and Blue analog video inputs. Accomplishing specified shades of gray requires a “Video Gain”
control adjustment (Section 2.9) of Red, Green, and Blue analog input signals based on the maximum
output level range previously specified.
8 ns (Figure 7).
Figure 7. Rise / Fall Time
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4.2.2 Synchronization
Sync pulses for horizontal and vertical are TTL levels. Figure 9 defines the allowable levels and drive
current requirements.
4.2.2.1 Mode Detection
The polarity of incoming horizontal/vertical frequencies and synchronization pulses define the video
resolution being presented. Available video modes are listed in Table 2 below.
Video
Mode
Displayed
Image
Resolution
IBM VGA
640x400 31.468KHz
IBM VGA
VESA
640x480 31.468KHz
800x600 48.077KHz
Table 2. Video Mode Definitions
Scanning Frequency
Sync Polarity
Horizontal Vertical Horizontal Vertical
70Hz
60Hz
72Hz
-
-
+
+
-
+
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4.2.2.2 Color Display Detection
The video signal source determines which type of display is connected to it based on the state of the
Monitor Sense Lines. The Display will indicate to the source that it is a "color display" when Monitor
Sense Line 1 (Pin 11) is physically connected to Signal Ground Reference (Pin 10) as defined by the
wiring definitions of 3.
4.3 Signal Quality
4.3.1 Video Signal Duty Cycle
The duty cycle for the video signal(s) is 100%. It is a percentage ratio of Ta vs. Tb illustrated in Figure 10
as follows:
=Duty
Ta
(%) 100 x
Tb
Figure 10.
4.3.2 TTL Sync Pulse Signal Levels
Input levels for the horizontal and vertical sync pulses are defined in Figure 9, above.
Duty Cycle
4.3.3 Rise / Fall Time
Rise and fall times are the times required for signal transitions between 10% of Vs above Low Steady
Level and 10% of Vs below High Steady Level where Vs is the peak-to-peak video input signal level. The
overshoot, if present, are exempted from establishing these high/low levels referenced in Figure 7. Both
rise and fall times of each input signal shall be as follows:
Video: Less than 8 ns
Horizontal Sync: Less than 50 ns
Vertical Sync : Less than 100 ns
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4.4 Timing And Frequency
4.4.1 Video, Horizontal and Vertical Sync
Table 3 and Figure 11 illustrate video timing relationships the Display operates within when the
specified video mode is applied.
The incoming active video dot clock frequencies for the Display are:
Dots
800
640
Dot Time
20.000-ns
39.722-ns
Dot Frequency
50.000 MHz
25.175 MHz
Table 3. Dot Clock Frequencies
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RESOLUTION
Video Clock
Horizontal Scan Frequency
Horizontal Line Period
Horizontal Blanking
Horizontal Sync Pulse
Horizontal Front Porch
Horizontal Back Porch
Horizontal Active Display
Horizontal Sync Polarity
Vertical Scan Frequency
Vertical Frame Period
Vertical Blanking
Vertical Sync Pulse
Vertical Front Porch
Vertical Back Porch
Vertical Active Display
Vertical Sync Polarity
NOTE: VGA border is not included in the Active Display time described above.
640 x 400 640 x 480
25.175 MHz 25.175 MHz
31.468 KHz 31.468 KHz
31 .778 μs 800 dots 31.778 μs 800 dots 20 .800 μs 1040 dots
6 .356 μs 160 dots 6 .356 μs 160 dots 4 .800 μs
3 .813 μs 96 dots 3.813 μs 96 dots 2 .400 μs
0 .636 μs 16 dots 0.636 μs 16 dots 1 .120 μs
1 .907 μs 48 dots 1.907 μs 48 dots 1 .280 μs
25 .422 μs 640 dots 25.422 μs 640 dots 16 .000 μs
-
70.087 Hz 59.94 Hz
14 .268 ms 449 line 16.683 ms 525 line 13 .853 ms
1 .557 ms 49 line 1 .430 ms 45 line 1 .373 ms
0 .064 ms 2 line 0.064 ms 2 line 0 .125 ms
0 .381 ms 12 line 0 .318 ms 10 line 0 .770 ms
1 .112 ms 35 line 1 .049 ms 33 line 0 .478 ms
12 .711 ms 400 line 15.254 ms 480 line 12 .480 ms
+
IBM VGA
VIDEO MODES
- +
- +
VESA
800 x 600
50.000 MHz
48.077 KHz
72.187 Hz
240 dots
120 dots
56 dots
64 dots
800 dots
666 line
66 line
6 line
37 line
23 line
600 line
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Section 5 - DC Power Input Requirements
5.1 DC Power Input Lines
The DC Power Input Connector consists of two (2) positions wired numerically and supplied attached to
the Display as a chassis mounted connector per definitions listed in Figure 12.
PIN NUMBER SIGNAL NAME
1
2
Most Positive Input Voltage
Most Negative Input Voltage
Figure 12. DC Power Input Connector – Pin Assignments
The DC Power Input Connector which connects to the equipment shall be a 2-pin MATE-N-LOK type
(Section 2.5.2) with male pin contacts. Pin number assignments are defined in Figure 12. Shown below
is the physical layout as seen by the interface cable from the DC power source.
Figure 13. DC Power Input Connector Illustration
5.2 DC Input Voltage / Current
• DC Input Voltage: 12 Vdc nominal, ±0.4 Vdc.
• DC Input Current: 3.0-amp maximum current draw (12.4 Vdc applied) steady-state conditions.
• Refer to Figure 14 for input current characteristics at “power-up” conditions.
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5.3 Power On-Off Sequences
The Display shall automatically return to normal operation upon resumption of power after a power
loss.
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Section 6 – Display Performance
6.1 Display Luminance
The Display will provide one level of luminance used for both daylight and night viewing. Minimum,
initial, white-light luminance on the face of the Display face shall be 685 cd/m
room environment with ambient light conditions less than 10 Lux [1 fC] incident illumination and at
room temperature. Reference: MIL L 85762A (3.10.2.2.3).
6.2 Display Contrast
Display Contrast is a relationship between luminance levels and the ability to perceive a luminance
difference. It is normally expressed as a ratio of ON white-light luminance to OFF black-background
luminance generated by the Display.
2
[200 fL] in a darkened
= C
6.2.1 Room Ambient Contrast
Minimum Contrast of the Display under room ambient lighting conditions of 1076 LUX [100fC] direct
incident illumination is 11:1.
Reference: MIL L 85762A (Table II).
6.2.2 High Ambient Contrast
Minimum Contrast of the Display in a diffuse off-axis illuminance (sun) of 86,080 LUX [8,000fC] and a
specular on-axis luminance (sky) of 6,853cd/m2 is 5:1.
Reference: MIL L 85762A (Table II).
6.3 Display Uniformity
Luminance Uniformity (UL) measured within 25mm [1.0in] from the edge of the Display image area is
±70%, minimum of the luminance measured at the center of the image area while displaying a center
block pattern measuring 50mm [2.0in] square.
luminancelight - whiteON
luminance background-black OFF
6.4 Display Chromaticity
The metric used for color coordinate determination is the CIE 1976 UCS (Uniform Chromaticity Scale) u′,
v′ system.
Color determination is performed at the normal to the display in a dark room environment with
ambient light conditions less than 10 LUX [1fC] incident illumination.
The measured u′, v′ color coordinates at room temperature for White-light and the Red, Green, and Blue
primaries are listed for reference purposes only.
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Color
Red
Blue
Green
White
u′
0.428
0.130
0.140
0.216
v′
0.527
0.330
0.563
0.514
White color is concentrated around 5000
Table 4. Measured u’, v’ Color Coordinates
6.5 LCD Panel - Physical Image Characteristics
The Display is a matrix display with the following features:
• LCD Size: 210mm [8.4in] diagonal
• Active Area: 170.4mm [6.73in] by 127.8mm [5.10in]
• Pixel Format: 800 (H) x 600 (V)
(1 pixel = R + G + B dots)
• Pixel Pitch: 0.213mm [0.008in] horizontal x 0.213mm [0.008in] vertical
• Pixel Arrangement: R,G,B vertical stripe
• Aspect Ratio: 4:3
Perceived Color
Reddish-Orange
Blue
Yellowish-Green
White
o
K color temperature.
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Section 7 – Display Cosmetics
The external visual inspection shall be conducted with the unaided eye at a minimum of 35 cm [14in] from the
display surface. There are acceptable defects when the Display is in the Black Mode and in the White Mode.
7.1 Black Display Picture Mode
• Power up the Display. Display an all black screen via the video input.
• The LCD Panel is acceptable if there are 15 or less green, red, and blue dots
visible from 35cm [14in] with the unaided eye.
• The LCD Panel is acceptable if no more than 5 dots are joined.
7.2 White Display Picture Mode
• Power up the Display. Display an all white screen via the video input.
• The LCD Panel is acceptable if there are 10 or less black dots visible from 35c
[14in] with the unaided eye..
• The LCD Panel is acceptable if no more than 3 dots are joined.
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Section 8 - Regulatory Agency Requirements
NOTE: Specified standards may change as market requirements dictate.
8.1 Safety Certification
The Display must be certified to the following safety standards:
UL 1950/CAN/CSA C22.2 No. 950-95
Safety of Information Technology, including electrical business equipment
UL 291 Standard for Automated Teller Machine
IEC 950 Safety Information Technology, including electrical business equipment
EN 60950 Safety of Information Technology, including electrical business equipment.
8.2 CE Marking
(Declaration according to ISO/IEC Guide 22 and EN45014)
The Display shall conform to the following EC Directives:
Council Directive 73/23/EEC and 93/68/EEC (Latest Amendment) on the harmonization of the laws of
the Member States relating to electrical equipment designed for use within certain voltage limits is
based on compliance with the following harmonized standards:
EN 60950:1992 + A1:1993 +A2:1993 +A3:1995 +A4:1997 +A11:1997
EN 41003:1991
Council Directive 89/336/EEC, 92/31/EEC and 93/68/EEC (Latest Amendment) on the approximation of
the laws of the Member States relating to electromagnetic compatibility is based on compliance with
the following harmonized standards:
Electromagnetic Emissions EN 55022:1987
Electromagnetic Immunity EN 50082:1992
8.3 RFI Emission Certification
The Display is certified to the following emissions standards:
• FCC, Part 15, Paragraph 15.107(b) and 15.109(b), Class A RFI emissions standard.
• EN 55022 − Limits and measurements of radio interference characteristics of information
technology equipment.
• IEC 1000 3−2/1995; EN 61000−3−2 Current Harmonic Tests
• IEC 1000 3−3/1995; EN 61000−3−3 Voltage Fluctuation and Flicker Tests
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8.4 System Transient Disturbance Requirements
The Display shall meet the following system transient disturbance requirements:
8.4.1 Electrostatic Discharge Requirements
The Display will perform normally when subjected to static electricity discharges from persons touching
the external surfaces of the Display. Performance is verified by testing according to EN 50082−1 (Ref IEC
801−2:1984) at severity level 3 (4 Kv contact discharge, 8 Kv air discharge). Tests are conducted with
service doors open. Testing is performed on points that are typically the first internal contact while
performing routing servicing and replenishment operations.
8.4.2 Electromagnetic Energy Susceptibility Requirements
The Display will perform normally in an electromagnetic field with a strength of 10-volts per meter from
10 KHz to 1 GHz. (REF CISPR 22).
8.5 Labeling
IEC 417 − Graphical Symbols for Use on Equipment.
8.6 Color Coding
ISO 3864 − Safety Colors and Safety Signs.
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Section 9 - Reliability
9.1 Design Workload
The Display is capable of operating 24 hours a day, 365 days a year under the specified environmental
conditions of Section 3.
9.2 Critical Failures
Critical failures are defined as failures which render the Display inoperable to the end user, excluding
Vandal Shield inflicted damage. Excluding the Mean Time Between Critical Failure (MTBCF) of the
Fluorescent Backlight, the Display shall have a MTBCF of 40,000 hours. The MTBCF on subassembly
components are:
• LCD Panel 50,000 hours
(see Note 5, Section 3.1, for MTBCF deviation)
• Fan 250,000 hours
• Video PCB 300,000 hours
• Backlight Inverter Board 4,752,852 hours
9.3 Failure Definition
In general, the term failure
performance capability because of conditions internal to the Display unit. The requirements of Section
9.2 refer to critical failures, defined and distinguished from others as follows:
• Display Failure - Display ceases full operation. The failure cannot be corrected without at least one
of the following: tools, test equipment, replacement parts, checks of the Display unit, and
knowledge beyond performing routine operations.
• Nuisance Failure - A component in the Display unit has ceased operation but does not impair the
required operation of the unit.
• Not Machine Failures - Malfunctions attributable to the following causes shall not be classified as
failures:
Improper installation or maintenance
Abuse or misuse
Exposure to environments outside the specified design range.
denotes a fully functional Display unit ceasing to function within its required
Lack of prescribed preventative maintenance.
Failures caused by test equipment used to control cycle and check the operation of Display
units on test.
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Appendix 1 - Glossary of Terms
Aspect Ratio
Back Porch
sync pulse and the corresponding blanking pulse.
Black Level
Blanking
on the display screen.
Blanking Level
information from the range containing synchronizing information. Also called the pedestal level, or blacker-
than-black.
Brightness
more or less light. Its psycho-physical, photometric equivalence is luminance.
Candela-per-meter-squared [cd/m2]
Candle Power
CIE
− Abbreviation for the Commission Internationale de l'Eclairage, formerly referred to as the International
− The ratio of width to height of a display surface. The standard television aspect ratio is 4:3.
− The portion of a composite display signal which lies between the trailing edges of a horizontal
− The display-signal level corresponding to a specified limit for black peaks.
− The process of decreasing (or increasing) the display-signal level so that no visible retrace will appear
− The level of a composite display signal which separates the range containing display
− A psycho-physiological attribute of visual perception in which a source appears to emit or reflect
− The international unit of luminance (nits).
− Luminous intensity expressed in candelas.
Commission on Illumination (ICI).
Chrominance
reference "white" of equal luminance. In three-dimensional CIE color space, chrominance is a vector which lies in
a plane of constant luminance.
Chromaticity
Chrominance).
Chromaticity Value
tristimulus value). The unit value of each component is the amount of that component added to the other two
components to produce a reference "white".
Color Data
Color Saturation
white light.
Color Temperature
of the source.
− The colormetric difference (dominant wavelength and purity) between any color and a
− The color quality of light which is defined by its dominant wavelength and purity (see
− The scalar value of any one component of a three-component color (also called a
− The programmed values which determine the amplitudes of the signal which drive a color display.
− A psycho-physiological measurement of the degree to which a color appears to be free of
− The temperature to which a black body must be heated to produce a color matching that
Contrast
dB (Decibel)
x log
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Document Number: 023-0283-00 Rev C
− The ratio between the maximum and minimum luminance values of a display.
− A measure of the ratio of two signals. The dB value is 20 x log10 of a voltage or current ratio or 10
of a power ratio.
10
Page 25
Foot-Candle [fC]
luminous flux is impinging on an area at a rate of one lumen per square foot.
− A unit of illumination equal to the illumination which occurs when uniformly distributed
Foot-Lambert [fL]
or reflecting luminance flux at the rate of one lumen per square foot.
Front Porch
blanking pulse and the corresponding sync pulse.
Gray Scale
as gray-scale graduations that differ by the square root of 2.
− Variations in the luminance value of "white" light, from black to white. Shades of gray are defined
Illuminance
"apparent" or projected area of the surface.
Image
− A displayed view of one or more objects or parts of objects.
Lambert
reflecting light at the rate of one lumen per square centimeter.
− A unit of luminance equal to the uniform luminance of a perfectly diffusing surface emitting or
Luminance
Measured in nits.
Lumen
− The unit of luminous flux or rate of luminous energy flow. It is equal to the flux radiating through a
− A unit of luminance equal to the uniform luminance of a perfectly diffusing surface emitting
− The portion of a composite display signal which lies between the leading edges of a horizontal
− The density of luminance flux impinging on a surface. It is the quotient of the flux divided by the
− Luminous intensity reflected or emitted by a surface in a given direction per unit of apparent area.
unit solid angle (steradian) from a uniform point source of one candela.
Luminous Flux
is expressed in lumens.
Luminous Intensity
LUX
− The international unit of illumination. One LUX equals one lumen per square meter.
Photometer
luminance, or illumination. An equality-of-brightness photometer is based on simultaneous comparison of
adjoining visual areas; a flicker photometer compares successive stimuli in the same visual area.
Resolution
hypothetical coordinate locations which can be used to position graphic elements on a display surface.
Shades of Gray
a square-root-of-2 difference between successive shades.
Sync
− A contraction of synchronous or synchronization.
Tristimulus Value
− The time rate of luminous energy flow, measured by its capacity to evoke a visual sensation. It
− The luminous flux radiated by a point source. It is expressed in candela.
− Any optical device which uses a comparison technique to measure luminous intensity,
− The number of addressable, controllable display or picture elements, or the number of
− A division of the gray scale from black to white into a series of discrete luminance shades with
− See
Chromaticity Value
and
Color Data
.
Title: Product Specification – LC08 High-Bright Monitor Page 25 of 26
Document Number: 023-0283-00 Rev C
Page 26
Revision History
REV REF DATE PAGE DESCRIPTION OF CHANGE BY
1 --- 27 Feb. 2003 All Draft Release M. Brogger
2 --- 25 Mar. 2003 All Format Cleanup L. Lewis
A --- 27 Mar. 2003 6 Added detailed button descriptions L. Lewis
B 1230 5 May 2003 All Removed Power supplies references M. Nichols
C 1535 12 Dec 2003
All Removed reference to customer in section 6.4;
removed redundant equations in Section 6;
M. Nichols
corrected panel parameters in section 6.5;
simplified section 4.4.1 by removing
descriptions in favor of Figure 11 only; other
minor corrections of figure numbers and
pagination. Added new Brand logo.
Title: Product Specification – LC08 High-Bright Monitor Page 26 of 26
Document Number: 023-0283-00 Rev C
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