Performance Check Procedure
Table 7-2
S ig n a l-to -G ra tic u le A c c u ra c y
VO LTS/DIV
Setting
Std Am pl
S etting
D eflection A ccy.
(in d ivisions)
2 mV
10 mV
4.90 to 5.10
5 mV
20 mV
3.92 to 4.08
10 mV
50 mV
4.90 to 5.10
20 mV
100 mV
4.90 to 5.10
50 mV
200 mV
3.92 to 4.08
0.1 V
500 mV
4.90 to 5.10
0.2 V
1 V
4.90 to 5.10
0.5 V
2 V
3.92 to 4.08
1 V
5 V
4.90 to 5.10
2 V
10 V
4.90 to 5.10
5 V
20 V
3.92 to 4.08
10. CH 3 and CH 4 V e rtic a l D eflection A c c u ra c y
a.
Set:
VERTICAL MODE
CH 3 (CH 1 off)
CH 3 VOLTS/DIV
0 . 1 V
b.
Position the trace to the second graticule line down from the center
horizontal graticule line.
c.
Move the test signal to the CH 3 input.
d.
Set calibration generator to Std Ampl output, 0.5 V.
e.
CHECK—the signal amplitude is between 4.90 and 5.10 divisions.
f.
Move the test signal to the CH 4 input.
g.
Set:
VERTICAL MODE
CH 4 (CH 3 off)
CH 4 VOLTS/DIV
0 . 1 V
7-16
2245A Operators
