The MDU command returns values for the CRT base line and reference level, in display units and measurement
units.
For example, the program below returns the following to the controller:
This means the vertical scale spans B to 1000 display units, or 100 dB, and the reference level is -10 dBm.
10
20
100 0uTPuT718;"MDu?;"
140 ENTER718;A,B,C,D
150 PRINTA,B,C,D
160 E N D
MDU
0
1000
-110
Measurement Data Units
-10
Programming 227
MDU