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CALIBRATION
·10 .
ALIGN TRACE
a.
FOCUS and ASTIGMATISM
Advance INTENSITY and position the trace to crt
center. Check FOCUS and ASTIGMATISM for proper
operation.
b.
Align trace
Obtain a longer horiz trace by setting HORIZONT AL
VOLTS/DIV to .2. Adjust crt vernier adjustment to
align trace with a horizontal line.
.
c.
SCALE ILLUM
Advance SCALE ILLUM and check for proper opera
tion.
"11.
VERTICAL POSITIONING
a.
Range
2 cm up
Set VERTICAL POSITIONING ccw. Trace must be
off screen at crt bottom .
Set VERTICAL POSITIONING cw. Trace must be at
least 2 cm lip from graticule center.
1 2.
PHASE A AND B
a .
Setup
Obtain a vertical bar pattern by setting HORIZON
TAL to GRID .
. Connect P jack to K jack on test panel.
Adjust STEPS/FAMILY for 6 to 10 steps (bars).
b.
Phase A
With STEPS/SEC at 120 (ccw) position, adjust Phase
A for best flatness at display bottom.
1 4
570 CALIBRATION
NOTES
12b.
Phase A
2-5-64
TEl< 570 FCP
Summary of Contents for 570
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