GSi Protek 1000 Series, User Manual

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Sweep
Auto
Normal
Single
Acquire waveform even no trigger occurred.
Acquire waveform when trigger occurred.
When trigger occurs, acquire one waveform and then stop.
HF
Reject
ON
OFF
Reject high frequency signals.
2/2
Note
: The Pulse width adjust range is 20ns ~ 10s. When the condition is met, it will
trigger and acquire the waveform.
ALT (Alternative) Trigger Setting
When alternative trigger is on, the trigger sources come from two vertical channels. This
mode can be used to observe two non-related signals. You can choose two different
trigger modes for the two vertical channels. The options are as follows: Edge, Pulse,
Slope and video. The info of the trigger level of the two channels will be displayed on the
upper-right of the screen.
Press
TRIG → F1 → ALT
button to show the ALT trigger menu as the following table.
Figure 2-24
The ALT trigger menu
The Alternative menu (Trigger Type: Edge)
Menu Setting Description
Channel
CH1
CH2
Set trigger mode for Channel 1.
Set trigger mode for Channel 2.
Type
Edge
Pulse
Set Edge/Pulse Trigger as the trigger
type.
Slope
Rising
Falling
Trigger on rising edge.
Trigger on falling edge.
The Alternative menu (Trigger Type: Pulse Page 1/2)
Menu Setting Description
Channel
CH1
CH2
Set trigger mode for Channel 1.
Set trigger mode for Channel 2.
Type EdgePulse Set Edge/Pulse Trigger as the trigger type.
1000MENUAL.indd 35 2009-04-06 �� 9:07:15