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Additional Information
Self-diagnosis Function
This monitor is equipped with a self-diagnosis function. If
there is a problem with your monitor or computer, the
screen will go blank and the u indicator will either light up
green or flash orange.
If the u indicator is green
1
Disconnect the video input cable or turn off the
connected computer.
2
Press the u button twice to turn the monitor off and
then on.
3
Press and hold 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
cable and check the condition of your computer.
If the color bars do not appear, there is a potential monitor
failure. Inform the IBM HelpCenter of the monitor's
condition.
If the u indicator is flashing orange
Press the u button twice to turn the monitor off and
then on.
If the u indicator lights up green, the monitor is working
properly.
If the u indicator is still flashing, there is a potential
monitor failure. Inform the IBM HelpCenter of the monitor's
condition. Be sure to note the model name and serial
number of your monitor. Also note the make and model of
your computer and video board.
u indicator
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
19.8" viewing image
Recommended resolution
Horizontal: 1600 dots
Vertical: 1200 lines
Standard image area
Approx. 388 291 mm (w/h)
(15
or
Approx. 364 291 mm (w/h)
(14
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. 498 504 508 mm
(w/h/d)
(19
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 s, whichever is larger.
• Horizontal blanking width should be more than 2.3
sec.
• Vertical blanking width should be more than 450 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.
12 inches)
3
1
/
11
/
inches)
8
2
3
1
/
11
/
inches)
8
2
5
7
/
19
/
20 inches)
8
8
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