Nortek Signature Series User Manual

Integrator's Guide16
© 2017 Nortek AS
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After downloading the telemetry file, erase it either via FTP or commands. Only the telemetry
file can be deleted using FTP.
%Erasing telemetry file
ERASETM,9999
OK
%Continuing the configured deployment plan
CO
OK
Note that the instrument does not process wave data internally (read more about this in the
Operation Manual, if interested) thus only current data will be output in the telemetry file.
For use with external controller it can be interesting to note the following: If the instrument is
started at e.g. 12:00, the first current profile is finished at 12:02 (120 seconds) and the next starts
about 12:10. That leaves us with 8 minutes to download the telemetry file to FTP before next
current profile starts. The clock drifts with about 1 sec/week. Since DEPLOY was used the
measurement intervals will resynchronize according to the deployment time and the instrument
configuration (see DEPLOY for more information), thus is should be easier to schedule automatic
data download as the window 12:02 to 12:10 remains.

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