Panasonic PT-M1083U Service Manual page 79

Crt projector shassis s4
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12.
12. TEST button
.
Each time this button is pressed, the test pattern display switches to one of the seven
test patterns. including the crosshatch pattern.
.
The buttons used to adjust the convergence cannot be operated
unless the TEST
button is first pressed
to display a
test pattern.
Types of test pattern and order of appearance
NOTE:
.
The H character pattern and crosshair
pattern will
not be
dispJayed
if the on-screen character display function
has been turned off.
.
If the horizontal scanning frequency
for the
input signals is within the range of 15-29.17 kHz, the
right
edge of
the vertical
scanning lines
in the
crosshatch
pattern
may become distorted. regardless Of the adjustment setting.
This occurs because
of the nature
of the
test signal, and does not indicate a problem.
.
The
display
can be returned to the normal screen
by pressing the ESe (Escape) button.
.
Only the crosshatch pattern and cross hair pattern can be displayed when in raster size adjustment mode.
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