Boltek Lightning/2000 - Manual (Page 95)

R E A L - T I M E L I G H T N I N G D E T E C T I O N
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Default red alert trigger level: 200
Record kept: Yes
The CG stroke rate counter shows the number of CG
(cloud-to-ground) strokes that have been detected in
the last minute.
CG strokes can be detected from storms at any
range, and have been detected over 600 miles (1000
km) away.
A new record value is denoted by swapping the colors
of the counter and its background.
This counter is not used with the LD-250.
Positive CG Stroke Rate Counter
The +CG stroke rate counter, shown with and without an alert counter.
Default yellow alert trigger level: 20
Default red alert trigger level: 100
Record kept: Yes
The positive CG stroke rate counter shows the
number of +CG (positive cloud-to-ground) strokes that
have been detected in the last minute.
CG strokes can be detected from storms at any
range, and have been detected over 600 miles (1000
km) away.
+CG strokes are more common in severe storms.
A new record value is denoted by swapping the colors
of the counter and its background.
This counter is not used with the LD-250.