STRATABOX
™
Operations and Maintenance Manual
INTRODUCTION 1-7
©
2006 SyQwest Incorporated
Directivity Index
The directivity index measures the ability of a transducer to reject noise from extraneous sources. In the
ocean, noise may be coming from all directions, but a narrow beam transducer will only “hear” noise
within the beam width pattern. A sonar systems signal to noise ratio (SNR) will be affected by the ability
of a transducer to reject unwanted noise, and thus is related to the directivity index. The higher the
directivity index of a transducer, the better the ability to reject unwanted noise.
1.4 Specifications
1.4.1 StrataBox Sensor Specifications
Units
Feet or Meters
Depth Ranges
0-15, 0-30, 0-60, 0-120, 0-240, 0-450 Feet
0-5, 0-10, 0-20, 0-40, 0-80, 0-150 Meters
Shift Range
0-450 Feet in 1 Foot increments
0-150 Meters in 1 Meter increments
Zoom Range
15, 30, 60, 120, 240 Feet
5, 10, 20, 40, 80 Meters
Zoom Modes
Bottom Zoom, Bottom Lock Zoom, Marker Zoom, GUI Zoom (Playback Only)
Display
Normal Data, Zoom Data, Navigation, Depth, Command/Status, Color Control
for Data: 4 Selections or Custom (User Input), Data Color Invert possible
Strata Resolution
6 cm with 40 Meters of bottom penetration
Depth Resolution
0.1 Feet, 0.1 Meters
Depth Accuracy
± 0.5%
Speed of Sound
1500 Meters/Second, 4800 Feet/Second
Geographic Position
NMEA 0183, GLL, GGA, RMC, VTG, VHW, HDT
Selectable Baud Rates (RS-232): 4800, 9600, 19200, 38400
Data Interface
SYQWEST StrataBox Interface, 57600 Baud (RS-422)
Printer Output
Centronics (Parallel Port) interface to TDU Series Thermal Printers
Shallow Water
Operation
< 2.5 Meters; bottom type dependant
Transmit Rate
Up to 10 Hz, depth and operator mode dependant
Event Marks
Periodic, External, and/or Manual (Periodic selectable in 1 minute intervals)
Data File Output
Stores Depth, Navigation, and Graphic Data in ODC format (Proprietary)
Normal and Zoom Data stored is Pixel data and can be played back and/or printed
Data File Playback
Files can be played back and/or printed at Normal or Fast-Forward speed, with
Pause and GUI Zoom available
Frequency Output
10 KHz
Transmit Output
Power
300 Watts (Pulsed), 1000 Watts capable
Input Power
10-30 Volts DC, Nominal power 8 Watts, Reverse Polarity and Over Voltage
Protected
Dimensions
25.4 cm (10”) Length, 15.876 cm (6.25”) Width, and 6.25 cm (2.5”) Height
Weight
0.9 kg (2.0 lbs)
Environmental
-25°C to +60°C Operating Temperature (-55°C to +90°C Storage)
Water Resistant to EN60529 IP65
EMC meets EN60945 Emissions; CE Compliant
