User manual

WaveAce 1000/2000
WA1K2K-OM-E RevB 41
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