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Science Manual – Using Video Images for Fisheries Monitoring 47

A1.3 Denil pass

Where exit channel is present, use specification for a Larinier pass less than or equal

to 900 mm wide (Figure 23).

A1.4 Vertical slot

A camera chamber to contain up to four sideways cameras opposite a light

panel or panels mounted in a side recess.

Flow

Side runner for light

panel (s)

Stoplog grooves

Camera channel

Figure 25: A video counting arrangement for a vertical slot fish pass

Side recess

• If light panels are to be mounted in a frame, the increased dimensions need to be

accounted for.

• Galvanised steel runner mounted in side of pass to accommodate lighting panel

or polypropylene board, so that the board/panel is flush with the wall of the pass

when in place (Figure and Figure 25).

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Radiant DVMD1 Bedienungsanleitung Seite 55