Simrad ER60, Operator'S Manual

Page: 173 / 182

Data interfaces
165
850-164692 / Rev.B
Echogram
Subscription type string: Echogram
Input
Parameters Range Default Unit
PixelCount (0,10000) 500 None
Range (0,20000) 100 m
RangeStart (0,20000) 0 m
TVGType (Pr,Sv,Sp,TS,SpAndTS) Sv None
EchogramType (Surface, Bottom,Trawl) Surface None
CompressionType (Mean,Peak) Mean None
ExpansionType (Interpolation,Copy) Interpolation None
Output
struct StructEchogramHeader
{
DWORDLONG dlTime;
};
struct StructEchogramArray
{
short nEchogramElement[30000];
// 16-bit logarithmic format
};
struct StructEchogram
{
StructEchogramHeader EchogramHeader;
StructEchogramArray EchogramArray;
};
Example
Building an Echogram Subscription String
Echogram, ChannelID=<ChannelID>, PixelCount=500,
Range=100, RangeStart=0, TVGType=TS,
EchogramType=Surface, CompressionType=Mean,
ExpansionType=Interpolation