Use The Video Trigger - Promax OD-590 User Manual

Coupling
(Frequency) Rejection
Noise Rejection

6.5.2 Use the Video trigger

The OD590 Series oscilloscope allows to save waveforms, pictures and
set-ups in the internal memory or in an external USB flash memory. The
waveforms and set-ups can be recovered later
Operation
MENU
1. Press the Trigger menu key. Press F1 repeatedly until "Video"
appears.
2. To select the trigger source signal, press F2 repeatedly.
01-2007
LF
HF
Off
ON
OFF
F 1
Video
F 2
Source
F 3
Standard
F 4
Polarity
F 5
Line
USER'S MANUAL. OD-590/91/92
AC coupling
DC coupling
Low Frequency rejection.
Rejects frequency
50kHz.
High Frequency rejection.
Rejects frequency
50kHz.
Rejection disabled.
Uses DC coupling with low
sensitivity to reject noise.
Noise rejection disabled.
( 4CH ) CH 1 / 2 / 3 / 4
( 2 CH ) CH 1 / 2
NTSC / SECAM / PAL
/
Field ½, NTSC: 1 ~ 263
PAL/SECAM: 1 ~ 313
below
above
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