ViewSonic 21PS Service Manual page 7

Multi-scan color crt display
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Please notice, however, that there is the case you
can mot get the size andlor position you want,
{lor example Display Time is too short, then you
Can't get digger size of the image.)
5.43 The CRT adopted in this CRT display is designeo
to minimize the moire phenomenon at suitable
size for typical display modes. However, there
might be a display format among many formats. in
which the moire phenomenon appears on this
display
55 Signal level and input impedance
5.5.1 Video signal level
+ » This CRT display is adjusted at the factory using
0 7Vp-p video signa', Black level is OV
'This CRT display is compatible with 1.0Va-p
video signal by using video input level secton
in. OSD function
5.82 Sync signal level
+ HIV Separate, HV Mixed TTL level
«Syne on Green 0.286 Vop
55.3 Input mpedance
Video input: 750
Sync input 2 1
5.6 Display performance
5.6.1 Dsclay area
ET TIMING.
WIDTH
380mm + 5mm.
HEIGHT : 285mm + Smm.
MODES
WIDTH:
355mm + $mm
HEIGHT : 284mm + Smm_
2) RESERVATION TIMING
MODE4~7
WIDTH:
380mm + 7mm.
HEIGHT : 285mm + 7mm
MODES:
WIDTH:
365mm + 7mm.
HEIGHT : 24mm + 7mm
3) DISPLAY AREA (Full scan)
WIDTH;
402mm
HEIGHT : 301mm.
5.62 Centering
¢
Edge of bezei
5.6.3 Distortion
$63. a) Trapezoid
1AC-SDI < 2.5mm
1A8 - COI $ 2.5mm,
A
8
c
.
) Paralielogram
aosaem

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