Nortek Signature Series User Manual

Data formats 53
© 2017 Nortek AS
Field
Size
Format
Resolution/
Unit
Description
voltage
skip
Bit 16
Active
configur
ation
0=Settings for PLAN,BURST,
AVG, 1=Settings for PLAN1,
BURST1,AVG1
Bit 15-
12
Echo
Sounder
Index
Bit 11
Telemetr
y data
Bit 10
Boost
Running
Bit 9-5
Echo
Sounder
Frequen
cy Bin
Bit 4
_Unused
Bit 3
_Unused
Bit 2
_Unused
Bit 1
bdScalin
g, Set
bit
indicate
s cm
scaling
of
blanking
distance
Bit 0
_Unused
Ensemble
counter
32 bits
Unsigned
Counts the number of ensembles in both averaged
and burst data
Velocity data
NB*NC*
16 bits
Signed
10^(Velocity
Scaling) m/
s
This field exists if the Velocity data included bit of
the Config byte is set.
Amplitude
data
NB*NC*
8 bits
Unsigned
1 Count =
0.5 dB
This field exists if the Amplitude data included bit of
the Config byte is set.
Correlation
data
NB*NC*
8 bits
Unsigned
[0 – 100 %]
This field exists if the Correlation data included bit
of the Config byte is set.
Altimeter
distance
32 bits
Float
Meters
These fields exists if the
Altimeter data included bit if
the config byte is set
Altimeter
quality
16 bits
Unsigned

Nortek Signature Series Specifications

General

Type	Acoustic Doppler Current Profiler (ADCP)
Operating Temperature	-5°C to +45°C
Storage Temperature	-20°C to +60°C
Temperature Sensor	Integrated
Pressure Sensor	Integrated
Compass and Tilt Sensor	Integrated
Data Storage	Internal memory
Communication Interfaces	Ethernet, RS-232
Depth Rating	Up to 6000 meters (depending on model)
Data Output	ASCII, binary
Beam Angle	Varies by model
Velocity Accuracy	±0.5% of measured velocity ±1 mm/s