Calibration— Type 503
fig . 6-24. Totl setup lor adjusting am plifier phasing
Control Settings:
f—
SLOPE
+
COUPLING
AC
SOURCE
INT.
LEVEL
FREE RUN
HORIZONTAL DISPLAY
VERTICAL
HORIZ. AMPLIFIER
(SWEEP DISABLE
SENSITIVITY
.2 VOLTS/CM
—
VARIABLE CALIBRATED
POSITION
Midrange
-I-INPUT DC
-IN PU T
GND
—
HORIZONTAL
SENSITIVITY .2 VOLTS/CM
VARIABLE
CALIBRATED
POSITION
Midrange
—*
+INPUT
GND
-IN PU T GND
31. Adjust Amplifier Phasing O
NOTE
At Serial Number 560, capacitors C356 and C456
were changed from fixed units to variable units.
At Serial Number 6997, capacitors C368 and
C468 were installed.
Fig. 6-2S. Location of phasing adjustments (instrument right side).
"
©
6-21