Manual

Functional description
38 Two-channel digital Oscilloscopes
Functional description
III - TRIGGER system (cont'd)
Trigger on Video
page 1
Option
Values
Instructions
Type
Alternate
The triggering source comes alternately from
channels CH1 and CH2. This mode is used to
observe asynchronous signals.
Source
CH1
CH2
Configure triggering source CH1
Configure triggering source CH2
Mode
Video
Choose Video as type of triggering.
Polarity
(normal)
(inverted)
Normal: triggers on the negative edge of the
sync pulse.
Inverted: triggers on the positive edge of the
sync pulse.
Trigger on Video
page 2
Option
Values
Instructions
Sync
Line number
All lines
Odd Fr
Even Fr
Choose the appropriate video sync:
Line Number – All Lines – Odd Frame – Even
Frame
Standard
NTSC
Pal/Secam
Choose the video standard for synchronization
and the number of lines.