Data subscription type: Noise Spectrum

The noise spectrum data subscription string is NoiseSpectrum.

Input

•

Type = The variant type as defined for certain programming languages

–

VT_BSTR = Text string

–

V_R8 = double, 8 bytes

–

VT_I4 = Integer 4 bytes

•

R/O = Read only

•

N/A = not applicable

•

If no value is provided in the XML input string, the example value in each table is used as default.

Range

Description	Range	Unit	Type	R/O
If the depth range is selected to be individual for each channel, this parameter sets the range for specified channel.	<0,10000>	m	VT_I4	N/A
Example:	500

RangeStart

Description	Range	Unit	Type	R/O
This is the start range for the selected channel.	<0,10000>	m	VT_I4	N/A
Example:	10

State

Description	Range	Unit	Type	R/O
This is the "on/off" switch for the noise measurements.	Start Stop	m	VT_R8	No
Example:	Start

Output

struct StructNoiseSpectrumData
  {
  DWORDLONG dlTime;
  float NoiseLevel[1000];
  };

Subscription string example

NoiseSpectrum,

ChannelID=<ChannelID>,

Range=100,

Rangestart=10,

State=Start