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Key Reference Front Panel Keys data — I/Q waveform graph and summary data • CCDF - Press this key to make power statistics measurements. The following windows are available: — The tested CCDF curve shown on the right-hand side of the display — The average power and the power statistics data on the left-hand side of the display Meas Control Key Menu Key path: Meas Control • Restart - Press this key to repeat the current measurement from the beginning, while retaining the current measurement settings. When pressed, the scale coupling function is activated for an appropriate display to the current input signal level. This is equivalent to the Restart front panel key. • Pause - Press this key to pause the current measurement until you reactivate the measurement. Once toggled, the label of the Pause key changes to read Resume. The Resume key, once pressed, continues the active measurement from the point at which it was paused. Chapter 5 161 Key Reference • Measure - Press this key (not to be confused with the MEASURE front panel key which has a different function) to toggle the measurement state between Single and Cont (continuous). When set to Single, the measurement will continue until it has reached the specified number of averages set by the average counter. When set to Cont, the measurement will run continuously and execute averaging according to the current average mode, either repeat or exponential. The default setting is Cont for most measurements, but the Code Domain and Power Stat CCDF measurements have Single as the default.