HP E1419A User Manual page 164

Notice that the domain of the sin_radians() function is limited to 0-6.3,
which represent a 0-2*PI interval. Each time the algorithm executes, it
writes the new value of O132 based upon the sin_radians() function with the
passed parameter "inc". "inc" is incremented once for each trigger since
each trigger causes the algorithm to execute. When "inc" exceeds 6.3, it is
set back to 0. Also note that the analog input voltages are sent to the FIFO
after each trigger. The object Collect Data retrieves the voltage pairs and
assembles them into a 2-dimension array which is then separated by Get
Channel 100 and Get Channel 101. The results are passed on to the X-Y
trace for display.
Chapter 5 HP VEE Programming Examples 163