Appendix
C:
Performance Verification
Step
7:
Check Acquisition Window Trigger Points
a. Set:
CH 1 AC-GND-DC GND
A Trigger Mode
P-P AUTO
A
SECIDIV
0.1 ps
STOREINON-STORE STORE
(button in)
Acquisition
1
Kl4K
1k
b.
Use the Horizontal
POSITION
control to align the start of the display
acquisition with the 1
St
vertical graticule line.
c. Press in the Acquisition
TRlG POS
button until the store trigger
point (T) is located on the left side of the screen.
d. CHECK
-
The POST TRlG point
(T)
is 1.28 divisions from the start
of the display acquisition.
e. Press the
TRlG POS
button a second time to position the trigger
point to the middle of the display acquisition.
f. CHECK
-
The MIDTRIG point
(T)
is 5.12 divisions from the start of
the display acquisition.
g. Press the
TRlG POS
button a third time to position the trigger point
to the right of the display acquisition.
h. CHECK
-
The PRETRlG point (T) is 8.96 divisions from the start of
the display acquisition.
Step
8:
Check Trigger Level Readout
a. Set:
Vertical
MODE
CH
1
VOLTSIDIV
CH
1
AC-GND-DC
SECIDIV
A Trigger Mode
A Trigger
LEVEL
A Trigger
SOURCE
STOREINON-STORE
b. Center the trace on the screen.
CH 1
20 mV
GND
0.5 ms
P-P AUTO
Midrange
Vertical
MODE
NON-STORE
(button out)
c. CHECK
-
The trigger readout is between -6 mV and +6 mV.
d. Connect the standard-amplitude signal from the calibration genera-
tor via a 50
Q
cable to the CHI or
x
input connector.
e. Set:
CH
1
AC-GND-DC DC
A Trigger Mode
NORM
f. Set the generator to produce a five division standard-amplitude
signal.
A-50
Appendices
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