Questions about PClab 2000

Got some questions about PClab for example the main module featuring the oscilloscope display.
about the triggering (right below)

on/off on off --> | <–
source Ch1 Ch2 Ext
Edge / (raising) \ (falling)

can some1 explain what these triggers(?) are and for what they are used for.

and what the offset of the function generator is ,cant find a good definition on the web.

Thx in advance.

Haven’t you tried to find the information from the Help of the oscilloscope?

[quote]and what the offset of the function generator is ,cant find a good definition on the web.[/quote]It is the DC “offset” added to the output waveform.

Here a link to some information of triggering settings:
http://www.hobbyprojects.com/oscilloscope_tutorial/oscilloscope_trigger_controls.html#Trigger%20Level%20and%20Slope
Here some XYZs of Oscilloscopes:
www2.tek.com/cmsreplive/tirep/22 … 280_EN.pdf