1-8
18
* If a second degauss cycle is needed, allow a minimum interval of 20 minutes for the best result. A humming noise may be heard, but this is not a
malfunction.
Displaying this monitor’s name, serial number,
and date of manufacture.
While the monitor is receiving a video signal, press and hold the
button for more than five seconds to display this monitor’s
information box.
Picture is ghosting
• Eliminate the use of video cable extensions and/or video switch boxes.
• Check that all plugs are firmly seated in their sockets.
Picture is not centered or sized
properly
• Press the
button (page 7).
• Adjust the size (page 10) or centering (page 10). Note that some video modes do not fill
the screen to the edges.
Edges of the image are curved
• Adjust the geometry (page 10).
Wavy or elliptical pattern (moire)
is visible
• Set CANCEL MOIRE to ON and adjust the degree of moire cancellation until the moire is
at a minimum (page 11).
x
Problems caused by the connected computer or other equipment
• Change your desktop pattern.
Color is not uniform
• Degauss the monitor* (page 13). If you place equipment that generates a magnetic field,
such as a speaker, near the monitor, or if you change the direction the monitor faces, color
may lose uniformity.
• Adjust the landing (page 11).
White does not look white
• Adjust the color temperature (page 12).
Letters and lines show red or blue
shadows at the edges
• Adjust the convergence (page 11).
Monitor buttons do not operate
(
appears on the screen)
• If the control lock is set to ON, set it to OFF (page 13).
COLOR RETURN function does
not operate
• Before using this function, the monitor must be in normal operation mode (green power
indicator on) for at least 30 minutes. For more information on using the COLOR
RETURN function, see page 13.
• Adjust the computer’s power saving settings to keep the monitor in normal operation
mode for more than 30 minutes.
• The monitor may gradually lose its ability to perform this function due to the natural aging
of the picture tube.
A hum is heard right after the
power is turned on
• This is the sound of the auto-degauss cycle, which is normal. When the power is turned
on, the monitor is automatically degaussed for two seconds.
Symptom
Check these items
EASY
EXPERT
s
B
G
R
5 0 0 0 K
6 5 0 0 K
9 3 0 K
0
5 0
K
0
0
CO LOR
RE TURN
AVA I L AB L E
A F T ER WARM UP
CO LOR
SER NO : 1234567
MODEL : GDM 5411
MANUFACTURED : 1999-52
INFORMATION
Example
b
19
GB
Self-diagnosis function
This monitor is equipped with a self-diagnosis function. If there is
a problem with your monitor or computer(s), the screen will go
blank and the
1
(power) indicator will either light up green or
flash orange. If the
1
(power) indicator is lit in orange, the
computer is in power saving mode. Try pressing any key on the
keyboard.
If the
1
(power) indicator is green
1 Remove any plugs from the video input 1 and 2
connectors, or turn off the connected computer(s).
2 Press the
1
(power) button twice to turn the monitor
off and then on.
3 Press the
,
button for 2 seconds before the
monitor enters power saving mode.
If all four color bars appear (white, red, green, blue), the monitor
is working properly. Reconnect the video input cables and check
the condition of your computer(s).
If the color bars do not appear, there is a potential monitor failure.
Inform your service representative of the monitor’s condition.
If the
1
(power) indicator is flashing orange
Press the
1
(power) button twice to turn the monitor off
and then on.
If the
1
(power) indicator lights up green, the monitor is working
properly.
If the
1
(power) indicator is still flashing, there is a potential
monitor failure. Count the number of seconds between orange
flashes of the
1
(power) indicator and inform your service
representative of the monitor’s condition. Be sure to note the
model name and serial number of your monitor.
Specifications
CRT
0.24 mm aperture grille pitch
21 inches measured diagonally
90-degree deflection
FD Trinitron
Viewable image size
Approx. 403.8
×
302.2 mm (w/h)
(16
×
12 inches)
19.8" viewing image
Recommended resolution Horizontal: 1600 dots
Vertical: 1280 lines
Standard image area
Approx. 388
×
291 mm (w/h)
(15
3
/
8
×
11
1
/
2
inches)
or
Approx. 364
×
291 mm (w/h)
(14
3
/
8
×
11
1
/
2
inches)
Deflection frequency*
Horizontal: 30 to 121 kHz
Vertical: 48 to 160 Hz
AC input voltage/current 100 to 240 V, 50 – 60 Hz, 2.0 – 1.0 A
Power consumption
Approx. 145 W
Dimensions
Approx. 498
×
491
×
478 mm (w/h/d)
(19
5
/
8
×
19
3
/
8
×
18
7
/
8
inches)
Mass
Approx. 32 kg (70 lb 9 oz)
Plug and Play
DDC1/2B/2Bi, GTF**
* Recommended horizontal and vertical timing condition
• Horizontal sync width duty should be more than 4.8% of total
horizontal time or 0.8
µ
s, whichever is larger.
• Horizontal blanking width should be more than 2.3
µ
sec.
• Vertical blanking width should be more than 450
µ
sec.
** If the input signal is Generalized Timing Formula (GTF)
compliant, the GTF feature of the monitor will automatically
provide an optimal image for the screen.
Design and specifications are subject to change without notice.
1
2
1
(power) indicator
WH TE
I
RED
GREEN
BLUE
SER NO : 1234567
MODEL : GDM 5411
MANUFACTURED : 1999-52
INFORMATION