Tektronix 2247A Operator's Manual page 109

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Operator Checks and Adjustments
CORRECT
(FLAT)
OVER COMPENSATED
(OVERSHOOT)
UNDER COMPENSATED
(ROLLOFF)
6556-23
Figure 4-1. Probe compensation.
Vertical Deflection Check
The PROBE ADJUST square-wave signal may be used to check the
Channel 1 and Channel 2 vertical deflection system In the following
procedure:
te
Connect the two 10X probes (supplied) to the CH 1 and CH 2 input con-
nectors.
. Connect both probe hook tips to the PROBE ADJUST connector.
. Set:
VERTICAL MODE CH1
Horizontal MODE A
. Press AUTO SETUP button.
. Set CH 1 and CH 2 VOLTS/DIV switches to 0.1 V for the attached 10X
probes.