External triggering, External triggering -55 – RIGOL DM3058 User 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. 
