GRAPHTEC GL500 User Manual page 101

Software
(2) Event Trigger Settings
• Start Trigger
Source: Specify the start condition for the capture of event data.
CH: Select Analog, Logic, or Pulse channels.
Function: Specify the Trigger Start condition.
4-26
Off: Click the Start key to initiate data capture.
Amp: The start of data capture is triggered when the Edge condition is satisfied.
Note: See the CHECKPOINT on page 3-24 for more details on the Edge conditions.
Ext.: The start of data capture is triggered when a signal is input from an external
trigger terminal.
A, B: Analog channels
Logic: Logic channels
Pulse: Pulse channels
CHECKPOINT
Logic and Pulse cannot be selected at the same. Select either Logic or Pulse.
A, B: Off: The Trigger function is disabled.
Hi: The trigger is activated when the signal input rises to (or exceeds) the specified
trigger level.
CH.1
Lo: The trigger is activated when the signal input falls to (or goes below) the
specified trigger level.
CH.1
Win In: Specify the lower and upper limits of the trigger level for each channel.
When the signal input goes within (or is within) both limits, the trigger
condition is met.
CH.1
Win Out: Specify the lower and upper limits of the trigger level for each channel.
When the signal input goes outside (or is outside) both limits, the trigger
condition is met.
CH.1
Logic: Off: Triggering is not performed.
Hi: The trigger is activated when the Logic signal rises to the Hi level.
Lo: The trigger is activated when the Logic signal falls to the Lo level.
Pulse: Off: Triggering is not performed.
Hi: The trigger is activated when the Pulse signal rises to the Hi level.
Lo: The trigger is activated when the Pulse signal falls to the Lo level.
Measurement starts
Measurement starts
Measurement starts
Measurement starts