2 General Power Meter Functions
94 N1911A/1912A P-Series Power Meters User’s Guide
8 Press   to display the Gate Number pop- up, and use the numeric 
keypad to enter the required value in the Gate Number pop- up window.
Figure 2-72 Gating Number pop-up
9 Press   to complete the entry.
10 Repeat this process until you have setup all the required gates and 
measurements.
11 Press   key to complete the setup and display the measurement 
results.