RIGOL DM3058 - Manual (Page 77)

RIGOL
User’s Guide for DM3058/DM3058E 2-55
External Triggering
The external trigger signal will be input via the ninth pin of RS232 interface on the
rear panel. It requires setting the following parameter: the Rise edge and the Fall
edge.
Press  Ext, the display shows:
Figure 2-70 The Interface of the External Triggering
Table 2-24 Function Menu of External Triggering
Function Menu Settings Explanation
Rise
Set the External Trigger Mode as Rising
Edge.
Fall
Set the External Trigger Mode as
Falling Edge.
Save all the changes and go back to
last menu.
1. To run External Trigger
After setting the parameter, press to go back to last Manu and run
External Trigger by pressing Done. Now, and on the Front Panel will
be crushed out, the instrument enter into the External Trigger Mode.
2. To set Output
In External Trigger Mode, the instrument could output a pulse signal through
the six pin of RS232 interface on the rear panel after finishing sampling data.
By the way, the polarity and output pulse width of this signal could be
adjusted.