Teledyne LeCroy WaveAce 1000_2000 - Manual (Page 42)

WaveAce 1000/2000
36 922131-00 Rev A
triggered waveforms (when you use this mode the oscilloscope does
not display a waveform until after the first trigger). Use Single mode
when you want the oscilloscope to acquire a single waveform.
7. Press the Setup... option button to display the Trigger Setup... menu.
You can use the Trigger Setup... menu to select a coupling mode and
define a Holdoff value. Coupling modes comprise DC, AC, HF Reject,
and LF Reject. Turn the Adjust front panel knob to set the Holdoff
value.
Video Triggering
Use Video Triggering to trigger on fields or lines of standard video signals.
1. Press the Type option button and select Video.
2. Press the Source option button to choose a channel input (CHS 1 - 2; or
CHS 1 - 4 on 4 channel models) or EXT, EXT/5, AC Line input.
3. Press the Polarity option button and select (Normal) or (
Inverted). Normal triggers on the negative edge of the sync pulse.
Inverted triggers on the positive edge of the sync pulse.
4. Press the Sync option button and select a video sync (Line Num, All
Lines, Odd Field, Even Field). If you select Line Num, you can turn the
Adjust front panel knob to set the appointed line number.
5. Press the Next Page option button.
6. Press the Standard option button and select the video standard for sync
and line number count (NTSC or Pal/Secam).
7. Press the Mode option button to select Auto, Normal, or Single mode.
Use Auto mode to let the acquisition automatically run in the absence