Sta/Lta Tool - apply a basic STA/LTA picker to all traces in active trace-group (*)
Apply - calculate with the current settings
ST Window: <nnn> - short term average window width (seconds)
LT Window: <nnn> - long term average window width (seconds)
Trigger Ratio: <nnn> - trigger ratio - value of STA/LTA to declare a trigger
Direction: FORWARD | BACKWARD - processing direction in time
Result: PICKS | TRIGGERS | STA/LTA - display results as new SeisGram2K picks on existing traces, or as new trace showing triggers or STA/LTA ratio