Appendix
A-2230
Operators
e.
Set the
X10
Magnifier knob to
On
(knob out).
f.
CHECK-The
time markers
are
1 division apart.
8. Check 4K to 1 K Display Compress
a.
Set:
A SEC/DIV
X10
Magnifier
1K/4K
50µs
Off (knob
in)
4K (button out)
b.
Select
0.1
ms
time markers from the time-mark gen-
erator
and
check that the time markers
are
2 divisions
apart.
c.
Rotate the SEC/DIV Variable control out of detent.
d.
CHECK-For
2 time markers per division over the
center 8 divisions.
9. Check Non Store Sweep Length
a.
Set:
SEC/DIV Variable
STORE/NON
STORE
CAL detent
NON
STORE
(button out).
b.
Use
the
Horizontal
POSITION
control to
align
the
start of the A Sweep with the 1st vertical graticule
line.
c.
CHECK-End
of the sweep
is
to
the
right of the
11th vertical graticule
line.
d.
Disconnect the test equipment from the instrument.
A-16
10. Check X Gain
a.
Set:
X-Y
CH
1 VOL TS/DIV
Horizontal POSITION
On
(button
in)
10
mV
Midrange
b.
Connect the standard-amplitude signal from the
Calibration Generator
via
a
50
n cable to the
CH
1
OR
X
input connector.
c.
Set the generator to produce a
50
mV
signal.
d.
Use
the
Channel
2 POSITION
and
Horizontal POSI-
TION
controls to center the display.
e.
CHECK-Display
is
4.85 to 5.15 horizontal divisions.
f.
Disconnect the test equipment from the instrument.
11. Check X Bandwidth
a.
Set the STORE/NON
STORE
switch to
NON
STORE
(button out).
b.
Connect
the
leveled
sine-wave generator output via
a
50
n cable
and
a
50
n termination to the
CH
1
OR
X
input connector.
c.
Set the generator to produce a 5-division horizontal
display at
an
output frequency of
50
kHz.
d.
Increase the generator output frequency to
2.5
MHz.
e.
CHECK-Display
is
at least 3.5 horizontal divisions.
f.
Disconnect the test equipment from the instrument.
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