There is a short video demonstrating the frequency menu
The tinySA scans its input frequency range either in start/stop mode or in center/span mode. The number of points displayed is always 290. The number of points scanned is minimum 290 but when the Raw BandWidth is too small to cover the selected frequency range with 290 points additional measurements are done and accumulated into the 290 points.
START sets the scanning to start/stop mode and sets the start frequency
STOP sets the scanning to start/stop mode and sets the stop frequency
CENTER sets the scanning to center/span mode and sets the center frequency
SPAN sets the scanning to center/span mode and sets the frequency span
ZERO SPAN sets the scanning to center/span mode, sets the span to 0Hz and sets the center frequency
Raw BandWidth sets the resolution bandwidth. Keep in mind a low RBW may increase scanning time substantially.
Spur Removal activates the two spur removal mechanisms. Below 190MHz the above and below IF are used to identify spurs and above 190MHZ the IF is shifted. It is recommended to us an IF of 433.9MHz when activating spur removal
BACK returns to the input menu
The scanning is limited to the frequency range of the selected Mode.