Performance  Check Procedure
IN D E X  TO  PERFO R M ANCE  CHECK  PROCEDURE 
DISPLAY
1.  TRACE  ROTATION  .................................................................7-8
2.  Geometry  ..................................................................................7-9
VERTICAL
1.  Input  COUPLING  Functional Check  .......................................7-10
2.  CH  1 and CH 2 VOLTS/DIV Trace S h ift
................................
7-11
3.  CH  3 and CH 4 VOLTS/DIV  Trace S hift
................................
7-12
4.  CH  1 and  CH 2 VAR VOLTS/DIV Trace Shift 
......................
7-12
5.  CH  1 and  CH 2 Input  COUPLING Trace Shift  ........................7-13
6.  CH  2  INVERT  Trace S h ift...................................................  7-13
7.  CH  1  and CH  2  VAR VOLTS/DIV  Range 
.............................
7-13
8.  Low Frequency  Linearity.....................................................  7-14
9.  CH  1 and CH  2  Vertical  Deflection Accuracy  .......................7-15
10.  CH  3 and CH 4 Vertical  Deflection Accuracy 
......................
7-16
11.  ADD  Mode  and CH  2  INVERT  Deflection Accuracy 
...........
7-17
12.  Vertical  POSITION  Range  (all channels)
...............................
7-18
13.  CH  1 to CH 2  Signal  Delay  Match 
................................
7-19
14.  CH  1 to CH 4 Signal  Delay  Match 
................................
7-20
15.  CH  3 to  CH 4 Signal  Delay Match 
................................
7-20
16.  CH  1 and CH  2  Vertical  Bandwidth 
................................
7-21
17.  CH  3 and  CH  4  Vertical  Bandwidth 
................................
7-22
18.  SCOPE  BW  (Bandwidth  Limit)  Accuracy 
.............................
7-22
19.  Common-Mode  Rejection  Ratio
.........................................
  7-23
20.  Channel Isolation  ....................................................................7-24
21.  AC-Coupled  Lower -3  dB Point........................................  7-25
22.  Vertical ALT  and  CHOP  Mode 
..............................................
7-26
23.  BEAM  FIND Functional Check  ...........................................  7-26
24.  A  and  B  Trace  Separation 
....................................................
7-27
TRIGGERING
1.  500  Hz  Trigger Sensitivity 
......................................................
7-28
2.  500  kHz Trigger Sensitivity 
....................................................
7-29
3.  25  MHz Trigger Sensitivity
......................................................
7-30
4.  150 MHz Trigger Sensitivity
....................................................
7-31
5.  Single Sweep  Mode  ................................................................7-32
6.  Trigger  LEVEL Control  Range  ...............................................7-33
7.  TV  Field Trigger Sensitivity
....................................................
7-34
8.  TV  Line Trigger Sensitivity 
....................................................
7-34
9.  Line Trigger  Functional  Check 
..............................................
7-35
7-6  2245A  Operators