Performance Check Procedure
9. Delay Time Position Range
a. Set time-mark generator for 0.1 ms.
b. Set:
A SEC/DIV 1 ms
B SEC/DIV 5 jis
K- OR DELAY control ?0.000 ms
c. CHECK—that the Intensified dot Is positioned at or before the second
time marker.
d. Turn the |«- or DELAY control clockwise until the delay readout stops
Increasing (largest number).
e. CHECK—that the Intensified dot Is positioned at or after the 99th time
marker (located at a Delay Time of 9.9 ms).
f. Disconnect the time mark generator from the 2245A.
10. X-A x is Gain Accuracy
a. Set:
X-Y
CH 2 (CH 1 off)
10 mV
DC
GND
Horizontal MODE
VERTICAL MODE
CH 1 and CH 2
VOLTS/DIV
CH 1 Input COUPLING
CH 2 Input COUPLING
b. Connect calibration generator Std Ampl output to the CH 1 input via a
50 f l precision BNC coaxial cable.
c. Set calibration generator for Std Ampl output, 50 mV.
d. CHECK—X-Axis amplitude is between 4.85 and 5.15 horizontal divi
sions.
e. Disconnect calibration generator.
7-44
2245A Operators
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