Trigger Controls; Fig. 4.8.1 - Data Acquisition Mode Controls; Fig. 4.9.1. - Trigger Controls - ETC M570 series User Manual

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M570 series oscilloscope with rollmode
These controls allow to set mode of data acquisition start and its length.
The controls located in the left side sets the length of data acquisition. When
the "Cont" button is pressed, the continuous mode of data acquisition is selected. In
this case, only way to stop the data acquisition is pressing the "Stop" button located
on the right side of this group.
Pressing the "DEF" button activates the "Length" edit box. Now it is possible
to enter the length of the data acquisition in hours, minutes and seconds. "h" means
hours, "m" minutes and "s" seconds. For example 2h35m25s means two hours, 35
minutes and 25 seconds.
Controls on the right side of the group define the conditions for the start of
data acquisition and start or stop it.
The "FR" button sets the free run mode. In this mode the data acquisition
starts after pressing the "Start" button immediately.
The "TR" button sets the triggered mode. To start the data acquisition it is
necessary to press the "Start button" and then to reach the trigger conditions selectable
by "trigger controls" (see. chapter 4.9.).
Pressing the "Start" button starts the data acquisition according to the
conditions mentioned above.
Pressing the "Stop" button stops the data acquisition immediately.

4.9. Trigger controls

These elements are located in the bottom side of the main window. They have
effect only if the triggered data acquisition mode is set (see chapter 4.8.)
The first row of the control elements represent Channel A, the second one
channel B trigger condition settings. The left button ("A" and/or "B") activates the
trigger condition for Channel A, or Channel B. The buttons located in the middle
column set the relations to value written in edit boxes located at the right side of the
group. The value written to these boxes represents voltage in volts or milivolts (m).
The button located in the bottom row of the group becomes active if both
trigger conditions for Channel A and Channel B are activated. It defines the influence
of each of the channels on the trigger event. It can be set to one of the following
states:
- "AND" the data acquisition starts if both conditions are met
Fig. 4.8.1 – Data acquisition mode controls
Fig. 4.9.1. – Trigger controls
User's Guide
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