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2.
Set the
T/ME/D/V
switches
to
X-Y and the VERT
MODE
switch
to CH
2.
Apply
the vertical signal to the
CH 2
OR Y
input
connector
and the horizontal signal
to
the CH 1 OR X
input
connector
.
3.
Advance the INTENSITY
control
until
the display is
visible.
If the
display
is
not visible
with
the
INTENSITY
control
at midrange, press the BEAM FINDER
pushbutton
and
adjust
the
CH
1 and
CH
2 VOL
TS/D/V
switches
until
the
display
is
reduced in size, both
vertically
and
horizon-
tally.
Center
the
compressed
display
with
the POSITION
controls
(CH 2
POSITION
vertically, CH 1 POSITION
horizontally);
release the BEAM FINDER
pushbutton.
Adjust
the FOCUS
control
for a
well-defined
display.
SINGLE SWEEP DISPLAY
1. Obtain a Normal Sweep Display. For random
Signals, set the
trigger
circuit
to
trigger
on a signal that
is
approximately
the same
amplitude
and frequency
as
the
random
signal.
2.
Push the
SINGL
SWP
button
on the A
TRIG
MOOE
switch. The next
trigger
pulse starts the sweep and
displays a
single trace. If no
triggers
are present, the
READY
lamp lights,
indicating
the A Sweep
Generator
circuit
is set and
waiting
to be triggered.
3.
After
the sweep is complete, the
circuit
is
"locked
out"
and the READY lamp is out. Press the
SINGL
SWP
button
to prepare the
circuit
for
another
single-sweep
display.
@
475A/OM44
Operators
19
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