Tektronix 2245A - 1 And CH 2 Input COUPLING Trace Shift; 1 And CH 2 VAR VOLTS;DIV Range; 2 INVERT Trace S H Ift; 2 INVERT Trace Shift

Performance Check Procedure
5. CH 1 and CH 2 Input COUPLING Trace Shift
a. Position trace to center graticule line.
b. Set CH 2 Input COUPLING to DC.
c. CHECK—trace shift does not exceed 0.25 division.
d. Set:
VERTICAL MODE CH 1 (CH 2 off)
CH 1 Input COUPLING GND
e. Position trace to center graticule line.
f. Set CH 1 Input COUPLING to DC.
g. CHECK—trace shift does not exceed 0.25 division.
6. CH 2 INVERT Trace Shift
a. Set:
VERTICAL MODE CH 2 (CH 1 off)
CH 2 Input COUPLING GND
b. Position trace to center horizontal graticule line.
c. Set CH 2 INVERT On.
d. CHECK—trace shift does not exceed one division.
e. Set:
CH 2 INVERT Off
CH 2 Input COUPLING DC
7. CH 1 and CH 2 VAR VOLTS/DIV Range
a. Set VERTICAL MODE to CH 1 (CH 2 off).
b. Position CH 1 and CH 2 traces to the center horizontal graticule line.
2245A Operators
7-13