Hantek DSO 1202B - Page 32

Basic Operation
DSO1000B Series HandHeld Oscilloscope User Manual 27
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Time
20ns to 10.0sec
With this option highlighted, set the time span.
Swap Trigger: As a feature of analog oscilloscopes, it gives stable displays of signals at two
different frequencies. Mainly it uses a specific frequency to switch between two analog channels
CH1 and CH2 so that the channels will generate swap trigger signals through the trigger circuitry.
Options
Settings
Comments
Swap
Trigger
Mode
Auto
Normal
Select the type of trigger.
Channel
CH1
CH2
Push an option such as CH1, select the channel trigger type
and set the menu interface.
Below list options in submenus. Swap Trigger allows CH1 and CH2 to select different trigger
modes and to display waveforms on a same screen. That is, both channels can choose the
following four trigger modes.
Type Edge
Slope
Rising
Falling
Coupling
AC
DC
HF Reject
LF Reject
select the components of the trigger signal applied to the
trigger circuitry.
Type
Video
Polarity
Normal
Inverted
Standard
NTSC
PAL/SECAM
Sync
All Lines
Line Number
Odd Field
Even Field
All Fields
Type
Pulse
Polarity
Positive
Negative
When
=
≠
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Set Pulse
Width
Pulse Width Set the pulse width.
Coupling
AC
DC