ADVANCED OPERATION 
175 
highest value (Abs or Rel) is used as the 
Pass/Fail judgment.  The trace points under 
the limit indicate a pass. 
Case2: If the additional limit is used, the 
higher value from case1 is compared to the 
additional limit. The lowest one is used as the 
pass/fail judgment. 
Spectrum Emission Mask Testing 
 
For spectrum emission mask testing, the GSP-
9300 has pre-defined testing parameters for 
3GPP, 802.11x and 802.16. The GSP-9300 also 
allows you to perform user-defined SEM 
testing. 
> SEM[F5]>SEM[F2] and turn SEM 
on.  
  Any other measurement mode will automatically be 
disabled. 
2.  The display splits into two screens. The top 
shows the trace with the absolute and or 
relative masks. The bottom screen shows the 
SEM measurement results.