Chapter 2 Front Panel Operation  RIGOL 
User’s Guide for DSA800/E Series   
Table 2-10 Reference Level Offset 
Parameter  Explanation 
Default  0 dB 
Range  -300 dB to 300 dB 
Unit  dB 
Knob Step  N/A 
Direction Key Step  N/A 
 
 
Auto Range   
 
Adjust the amplitude parameters within the current span range automatically in 
order to display the whole signal optimally on the screen. 
 
 
Figure 2-6 Before Auto Range