ADJUSTMENTS
® CH1 • ® C H 2 S T E P BAL:
Adjusts any vertical movement in the trace occurring w h e n
the V O L T S / D I V knob is rotated.
@) CH1 • © C H 2 DC BAL:
A d j u s t s any vertical movement in the trace occurring w h e n
the V A R I A B L E knob is rotated.
© C H 1
• © C H 2 GAIN:
Adjusts the sensitivity of the vertical a x i s .
© T R A C E ROTATION:
A d j u s t s the trace w h e n it is tilted due to effects of a strong
magnetic field.
© F O C U S :
A d j u s t s the f o c u s .
ADJUSTMENT PROCEDURES
T R A C E ROTATION:
Set the selector to the GND position, position the trace over
the reference scale on the display, and adjust if tilted.
F O C U S :
Adjust the f o c u s for optimum sharpness of the w a v e f o r m .
The S T E P B A L and D C B A L adjustment begin w i t h S T E P B A L adjustment due to the cir-
cuit design.
S T E P BAL:
S e t the selector to the GND position, and adjust for C H 1
and C H 2 so that the trace does not move w h e n the
V O L T S / D I V knob is s w i t c h e d between the 1 , 2 , and 5
ranges.
DC BAL:
In the same manner a s S E T B A L , adjust for C H 1 and C H 2
so that the trace does not move V A R I A B L E knob is rotated
from the right to the left extreme.
A highly accurate calibrator is needed for the G A I N adjustment. If s u c h an instrument is
not available, contact your dealer. (These trimmer are for correcting any sensitivity shifts
in C H 1 and C H 2 ) .
GAIN:
A c c u r a c y will be improved if a calibration signal with an am-
plitude of 4 or 5 divisions on the C R T is used.
Contact your dealer if adjustment is not possible by the above procedures.
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Содержание CS-3025
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