Depending on the current measurement view, you may need to press the Constellation key one more time to display this menu. Reference Points: Press this key to turn on and off the reference points (small white circles) for the various constellations. On is the default state. Data Legend: Turns on and off the legend box in the top right corner of the constellation graph. On is the default state. Back: Press this submenu key to return to the Modulation Menu. The constellations are color coded as follows: QPSK is shown in purple 16‑QAM is shown in green 64‑QAM is shown in yellow 256-QAM is shown in blue Note: 256-QAM modulation is supported only when Option 886 is installed. Values for the following measurements are displayed in a table beneath the graph: Ref. Signal (RS) Power EVM (rms) Freq Error Carrier Frequency Sync Signal (SS) Power EVM (pk) Freq Error (ppm) Cell ID |