Scala | V7 | System Configuration
Displaying Trawl Positioning from Scala on MaxSea Version 12
You can export trawl positioning data coming from Scala to MaxSea v12 software.
Before you begin
• You must have a GPS and door positioning sensors.
•
Compatible MaxSea version: MaxSea version 12.
• Compatible Scala version: Scala 01.06.06 (only PTSAL sentence) / Scala 01.06.14.
About this task
You can export trawl positioning data from Scala to MaxSea with PTSAL or IIGLL sentences. With
PTSAL sentence you can display the trawl on MaxSea from the positions of trawl wings and center
between both doors. With IIGLL you can display the trawl only from the position of the center
between both doors. You cannot display a 3D view of the trawl when using IIGLL sentence.
To use PTSAL sentence, you need a good stability of heading values. If heading values are unstable,
the trawl displayed in MaxSea will have erratic movements. If this is your case, use IIGLL instead,
as it is more stable for trawl positioning.
Note: Scala v.01.06.06 can only emit PTSAL sentence.
Procedure
1.
On Scala, in Control Panels > Ownship and Trawl Data > Trawl check that you receive Door
Positioning data.
2.
In Control Panels > Data Processing > Trawl Modelling > Door Positioning System, select
Uses slant distances and bearings if using a Slant Range sensor or Uses warp lengths and
bearings if using a Spread sensor.
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