Simrad ER60, Operator'S Manual

Page: 174 / 182

Simrad ER60 Operator manual
166
850-164692 / Rev.B
Targets echogram
Subscription type string: TargetsEchogram
This subscription will only produce an echogram array
containing detected echo traces with their compensated TS
values between the transmit pulse and the bottom. Below
bottom the selected TVG type is used.
Input
Parameters Range Default Unit
PixelCount (0,10000) 500 None
Range (0,20000) 100 m
RangeStart (0,20000) 0 m
TVGType (TS, SP and Ts) Must be set None
EchogramType (Surface, Bottom) Surface None
MinTSValue (--120,50) --50 dB
MinEchoLength (0,20) 0.8 None
MaxEchoLength (0,20) 1.8 None
MaxGainCompensation (0,12) 6.0 dB
MaxPhaseDeviation (0,100) 8.0 Phase steps
Example
Building an TargetsEchogram Subscription String
TargetsEchogram, ChannelID=<ChannelID>,
PixelCount=500, Range=100, RangeStart=0,
TVGType=TS, EchogramType=Surface, MinTSValue=-55.0,
MinEcholength=0.7, MaxEcholength=2.0,
MaxGainCompensation=6.0, MaxPhasedeviation=7.0
Output
struct StructEchogramHeader
{
DWORDLONG dlTime;
};
struct StructEchogramArray
{
short nEchogramElement[30000];
};
struct StructEchogram
{
StructEchogramHeader EchogramHeader;
StructEchogramArray EchogramArray;
};