Operator  Checks  and Adjustments
CORRECT
(FLAT)
OVER  COMPENSATED 
(OVERSHOOT)
UNDER COMPENSATED 
(ROLLOFF)
6558-1 5
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:
1.  Connect the two  10X probes  (supplied) to the CH  1  and CH 2  input con
nectors.
2.  Connect  both  probe hook tips  to the  PROBE ADJUST connector.
3.  Set:
VERTICAL  MODE CH  1
Horizontal MODE
A
4.  Press  AUTO  SETUP button.
5.  Set CH  1  and CH 2 VOLTS/DIV switches to 0.1  V for the attached  10X 
probes.
2245A  Operators
4-5