Dataman 520 Series - Manual (Page 17)

DATAMAN 520 series oscilloscope with rollmode
User’s Guide
4.8. Data acquisition mode control
The data acquisition mode control elements are located in the bottom of the main
window.
Fig. 4.8.1 – Data acquisition mode controls
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.)
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