Hantek DSO1000E Series User Manual page 34

Time 20ns to 10.0sec
Alter 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 Alter trigger signals through the trigger circuitry.
Options Settings
Alter
Mode
Normal
Channel
Below list options in submenus. Alter 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
Rising
Slope
Falling
Coupling Noise Reject
HF Reject
LF Reject
Type
Normal
Polarity
Inverted
Standard
PAL/SECAM
All Lines
Line Number
Sync Odd Field
Even Field
All Fields
Type
Positive
Polarity
Negative
When
Set PW Pulse Width
Coupling Noise Reject
HF Reject
LF Reject
DSO1000E Series HandHeld Oscilloscope User Manual
With this option highlighted, set the time span.
Auto
Select the type of trigger.
CH1 Push an option such as CH1, select the channel trigger
CH2 type and set the menu interface.
Edge
AC
DC
Select the components of the trigger signal applied to the
trigger circuitry.
Video
NTSC
Choose a proper video sync. When selecting Line Number
for the Sync option, you may use the User Select it to
specify a line number.
Pulse
=
≠
Select the trigger condition.
<
>
Set the pulse width.
AC
DC
Selects the components of the trigger signal applied to the
trigger circuitry.
Comments
Basic Operation
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