in Detail
Displaying Signals ............................ — ...........  3-1
Applying Signals to the Vertical inputs .....................  3-1
Connecting Signals................................................................  3-1
Coupling Signals
...................................................................
  3-2
Precharging the Signal Input
...........................
      3-2
Building a Basic Display 
.
..............................
        3-3
Presetting the Controls.................................      3-3
Selecting the Display Mode (STORE/NON-STORE)
.............
  3-3
Selecting the Trigger Mode 
.
...................................................
  3-4
Selecting the Horizontal Mode and Scale
.............................
  3-4
Selecting the Vertical Mode and Scale  ...................  3-5
Setting the Display intensity and Focus 
...............................
  3-6
Finding “Lost’’ Displays  .........................................................  3-7
Digitizing Signals 
.................
            3-8
Selecting the Acquisition Mode  ............................................  3-9
Selecting the High-Speed Storage M ode
.............................
  3-9  /
Selecting Siow-Speed Storage Modes  .................................  3-9 '
Viewing Slowly Occurring Events
..............................................
  3-10
Capturing Random Events  ........................................................  3-12
Accumulating Signal Peaks (ACCPEAK)
...................................
  3-13
Detecting Signal Glitches
...............................................
      3-13
Averaging Signals
.......................................................................
  3-14
Sampling Signals  ......................................................................  3-14
Clocking Acquisitions
................................................................
  3-15
Selecting the Acquisition Record Length (1K/4K) 
................
  3-15
Compressing the Acquisition Record Length
(4K Compress)  ....................................................................  3-16
Positioning the Acquisition Record  ...........................................  3-17
Preventing Signal Aliases 
.........................................................
  3-18
Displaying Magnified Sweeps
.........
.
.
............
        3-19
Using the X10 Magnifier.............................................................  3-19
Displaying Two Channels 
.
........................................................      3-20
Comparing Two Signals 
.
.................................................
      3-20
Adding Tvyq Signais  , . ?.r. 3-20 k.J 
Subtracting Signals or Signal Components
{Common Mode Rejection)  ...........................................      3-20
Displaying X-Y Patterns 
.
......................
        3-22
Limiting Bandwidth 
........
          3-24
Modulating the Display Intensity 
.
................................
    3-24
Triggering on Signals 
.
.
........
            3-25
Triggering on Repetitive Signals
................................................
  3-25
Triggering on Low-Frequency Signals 
.
..................................
  3-26
Triggering on Random or Infrequent Events 
.
.......................
  3-26
Triggering on Complex or Non-Repetitive Signals  ...............  3-27
Triggering on Line Frequency....................................................  3-27
Triggering with an External Signal 
...........................
      3-28
Triggering on TV Signals 
..........
          3-28
iv
2221A User Manual