Performance Check Procedure
d. Set function generator output for 1 kHz sine-wave signal of five divi
sions peak-to-peak with maximum positive dc offset.
e. Position the bottom of the signal to the center horizontal graticule line.
f. Set CH 1 Input COUPLING to AC.
g. CHECK—display is roughly centered about the center horizontal
graticule line.
h. Move the test signal to the CH 2 input.
i. Set CH 2 VERTICAL MODE to on (CH 1 off).
j. Repeat the procedure for CH 2.
k. Disconnect the test signal from the 2245A.
2. CH 1 and CH 2 VOLTS/DIV Trace Shift
a. Set:
CH 1 and CH 2
VERTICAL MODE On
CH 1 and CH 2
VOLTS/DIV 2 mV
CH 1 and CH 2
Input COUPLING GND
b. Set VERTICAL MODE to CH 1 (CH 2 off).
c. Position trace to center horizontal graticule line.
d. Switch CH 1 VOLTS/DIV through all positions from 2 mV to 5 V.
e. CHECK—trace shift does not exceed 0.2 division between steps.
f. Set VERTICAL MODE to CH 2 (CH 1 off).
g. Position CH 2 trace to the center horizontal graticule line.
h. Switch CH 2 VOLTS/DIV through all positions from 2 mV to 5 V.
l. CHECK—trace shift does not exceed 0.2 division between steps.
2245A Operators 7-11
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