Tektronix 2245A - PROBE ADJUST Output; AUTO SETUP Functional Check

Performance Check Procedure
e. Set A INTEN to midrange.
f. Disconnect the test equipment from the 2245A.
2. PROBE ADJUST O utput
a. Set:
CH 1 VOLTS/DIV 10 mV
SEC/DIV 0.2 ms
b. Connect a 10X probe to the CH 1 input connector and connect the
probe tip to the 2245A PROBE ADJUST output. (When using Tektronix
coded probes, the readout changes to .1 V.)
c. CHECK—For a 5-division vertical display of PROBE ADJUST square-
wave signal (square-wave period is typically 1 ms, within 25%).
3. AUTO SETUP Functional Check
a. Set:
CH 1 COUPLINQ GND
CH 1 VOLTS/DIV 2 mV
A SEC/DIV 20 ns
b. Press the AUTO SETUP button.
c. Check that the Probe Adjust waveform is stably displayed on the upper
half of the crt.
2245A Operators
7-49