Bird Technologies SH-362S-Manual - Manual (Page 91)

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External - Low Level / High Level /
Rise Edge / Fall Edge / Either Edge

Low Level - Triggers if input = 0 ± 0.5 V (TTL “Low”).

High Level - Triggers if input = 4.2 ± 0.8 V (TTL “High”).

Rise Edge - Triggers if the input goes from “Low” to “High”.

Fall Edge - Triggers if the input goes from “High” to “Low”.

Either Edge - Triggers if the input goes from either “High” to “Low” OR
“Low” to “High”.
Gate Delay
Length of wait after the trigger signal and before beginning a sweep. The range
is 100 μs to 1 s.
Figure 55 Example, Video