START Starts automatic logging of measurement parameters from the active mode to the currently active list. If automatic logging is running, press the START button to mark the next logged parameterset with an asterix (*).
STOP Stops logging of measurement parameters.
CH1 Activates RF channel 1.
MARKER Activates marker features in FSCAN mode (option R&S® EVS-K1 required).
SPLIT No function
CH2 Activates RF channel 2 (if option R&S® EVS-B1 is installed).