"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