Spectrum Analyzerfor Anritsu RF and Microwave Handheld Instruments : Spectrum Analyzer : Emission Mask
  
Emission Mask
The emission mask is a segmented upper limit line that will display frequency range, peak power and frequency, relative power, and pass/fail status for each segment of the mask. The emission mask must have at least two segments.
1. Create or recall a multi‑segment limit line or envelope to use as an emission mask. Refer to Limit Menu for details on the Limit menu.
2. Press the Shift key followed by the Measure (4) key,. Then press the Masks and C/I submenu key, and then the Emission Mask submenu key.
3. Press the Emission Mask On/Off submenu key to turn Emission Mask On.
Emission Mask
4. The table at the bottom of the screen displays the pass/fail status of each Emission Mask segment.