Table of Contents
Advertisement
ADJUSTMENTS
® CH1 • ® CH2 S T E P BAL: Adjusts any vertical movement in the trace occurring w h e n
@) CH1 • © CH2 DC BAL:
© C H 1 • © C H 2 GAIN:
© T R A C E ROTATION:
© F O C U S :
ADJUSTMENT PROCEDURES
T R A C E ROTATION:
F O C U S :
The S T E P B A L and DC 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:
DC BAL:
A highly accurate calibrator is needed for the GAIN 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:
Contact your dealer if adjustment is not possible by the above procedures.
the V O L T S / D I V knob is rotated.
Adjusts any vertical movement in the trace occurring w h e n
the V A R I A B L E knob is rotated.
Adjusts the sensitivity of the vertical a x i s .
Adjusts the trace w h e n it is tilted due to effects of a strong
magnetic field.
Adjusts the focus.
Set the selector to the GND position, position the trace over
the reference scale on the display, and adjust if tilted.
Adjust the focus for optimum sharpness of the w a v e f o r m .
Set 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 switched between the 1 , 2 , and 5
ranges.
In the same manner as 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 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.
29
Advertisement
Table of Contents
