Spot button - The "Spot" light button is
visible if callsign spotting is enabled. Use this button to
toggle the callsign spotting reporter on and off. It
is automatically turned off when playback is selected in the Files
menu. The main window text is not searched if the viewer is
active, i.e., if it is displayed and the current modem is PSK.
See
PskReporter and
Notifier.
RSID button - Pressing the "RSID" button
puts fldigi into a special
Reed
Solomon Identification detection mode.
Tune
button - Pressing the "Tune" button causes fldigi to insert a tone at
the current waterfall frequency. The peak-to-peak amplitude of
this tone is the standard by which you should
set your transmitter drive or adjust your antenna matching network.