Logic Analyzer 
 
 
Press this key to open the logic analyzer control menu. You can turn 
on or off any channel or channel group, modify the display size of 
the digital channel, modify the logic threshold of the digital channel 
as well as group the 16 digital channels and display them as a bus. 
You can also set a label for each digital channel.  
Note: This function is only applicable to the MSO2000A and 
MSO2000A-S models oscilloscopes.