CoCo-80 User Manual
92
Auto Scale Window
Fixed Scale Window: Arrow buttons used for expanding or
reducing the scales
Move Window: Arrow buttons used to shift the positions of the
window
Set Trigger Level: Arrow buttons are used to set the high threshold
level, low threshold level, and trigger delay
The method 3 is a more convenient way to set the trigger threshold level instead
of using the editing tool under F3. The editing tool allows you to set the trigger
level to a precise value.
Press F5 to set the overlap rate. This factor will only have effect when the
acquisition mode is set as Free Run or Continuous after Trigger.
After all trigger parameters are set, press F6 (OK) button then the system will exit
to the main measurement display window.
Using a Trigger During Measurement
This section explains the trigger operation while making measurements. Manual-
Arm Triggering is the most common mode and will be described first and in the
most detail. The other types will be explained briefly afterwards.
Manual Arm Trigger
When the Acquisition mode is setup then a small popup window is displayed as
shown in Figure 103 indicating that the system is waiting for a trigger
event. No signals are displayed until a trigger event is detected.
Figure 103. Waiting for trigger message.
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