RIGOL
© 2007 RIGOL Technologies, Inc.
User‟s Guide for DM3000 Series
To Set up the VMC
At external triggering mode, when the data sampling is over, the instrument outputs
a pulse signal at VM Comp located on the rear panel. The output pulse width can be
adjusted.
Press VMC, the display shows:
Figure 2- 24
Table 2- 19 The Explanation of the External Triggering(polarity: positive)
Setting the pulse signal‟s polarity.
Store the changing and back to
the higher menu.
The VMC function output
(1). At external triggering mode, when the data sampling is over, the instrument will
output a pulse signal to indicate operation completed.
(2). At external triggering mode, when operating math limited value, the instrument
will export a pulse signal to indicate out of limits detected.