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General| Brand | Teledyne |
|---|---|
| Model | PATHFINDER |
| Category | Indoor Fireplace |
| Language | English |
Describes the Pathfinder transducer assembly, housing, ceramics, and electronics, and its standard acoustic frequency.
Details available options such as test cables, Ethernet port, Current Profiling, Low-altitude, and High accuracy Bottom Track.
Lists available DVL Kits (Standalone, Development, Integration, Field Service) and spare parts for Pathfinder ROV systems.
Explains HEM Sensors: Leak Detection, Transducer Monitor, and Operating Time for Pathfinder system health.
Guide on connecting the Pathfinder to a computer and establishing communications using TRDI Toolz software.
Details the DC power requirements (10.7 to 36 VDC) and inrush current considerations for the Pathfinder DVL.
Instructions on handling, connecting, and disconnecting underwater cables and their protective caps.
Step-by-step guide for setting up the Pathfinder system for ROV deployment, including connections and water testing.
Instructions for setting up the OEM Pathfinder, including transducer connections and system setup.
Illustrations and descriptions of various Pathfinder cable connections, connectors, and pin-outs.
Procedures for establishing serial or Ethernet communications with the Pathfinder using TRDI Toolz.
Guide to configuring network settings (STATIC/DHCP) and output data formats via the Pathfinder's web interface.
Explains scenarios for using Ethernet output, including command control and data output via TCP or UDP.
Details on configuring and listening to UDP data streams from the Pathfinder for output.
Instructions for downloading and installing firmware updates for the Pathfinder's Ethernet module.
Procedure for performing pre-deployment tests (PA, PS0, PS4) to verify Pathfinder functionality.
Guidelines for handling, deploying, and maintaining the Pathfinder to ensure optimal performance.
Precautions for handling the Pathfinder transducer face, avoiding damage, and proper storage.
Recommendations for mounting the Pathfinder, avoiding corrosion, and ensuring proper installation.
Provides basic operating theory and critical considerations for DVL system integration on various platform types.
Explains the principles of BroadBand Doppler and Bottom Tracking sonar measurements.
Details the process of bottom tracking using separate pings for water profiling and long duration pulses.
Describes water tracking for reference velocity or when bottom is out of range, and its configuration.
Explains the optional firmware for measuring current velocities in the water column using depth cells.
Describes the four coordinate systems (Earth, Radial Beam, Instrument, Ship) for velocity measurements.
Discusses long-term and short-term performance, and factors influencing DVL accuracy like altitude and speed.
Explains long-term velocity error, systematic error (bias), and its mitigation in DVL measurements.
Details short-term errors, characterized by standard deviation, independent of other beams and pings.
Factors influencing altitude capability: bottom type, temperature, salinity, voltage, attitude, and bottom slope.
Guidance on mechanical alignment of the transducer head for accurate DVL data and mounting considerations.
Discusses mechanical mounting of the transducer head relative to reference points for optimal data accuracy.
Importance of clearing DVL beams of acoustic obstacles like cables and hull for accurate measurements.
Options for mounting the Pathfinder system, utilizing transducer mounting holes, and material considerations.
Careful routing of cables through bulkheads and spaces, avoiding kinks, sharp bends, and interference.
Discussion of grounding issues, isolation filters, and EMI coupling through cables for instrument performance.
Explains the DVL's three isolated grounds and potential grounding problems to avoid for optimal performance.
Suggested steps to verify possible ground leakage and isolation impedance of the Pathfinder DVL.
Sources of EMI, its mitigation through wire routing, shielding, and component location.
Details average power consumption in Watts for Pathfinder systems at different operating conditions.
Discusses acoustic integration factors like Flow Noise, Cavitation, and Ringing affecting DVL performance.
Explains how water flow over transducer faces increases noise and reduces operational range, with mitigation methods.
Describes cavitation formation due to pressure reduction, leading to increased acoustic noise and reduced range.
Explains ringing in DVLs caused by side lobes exciting transducer resonance, and its impact on velocity data.
Impact of transducer well design and sound absorbing materials on ringing effects and performance.
Advantages and disadvantages of using acoustic windows for vessel-mounted DVLs.
Best practices for acoustic window orientation, material selection, and spacing for optimal performance.
How other acoustic and electromagnetic devices can cause bias or prevent DVL operation and suitable triggering schemes.
Tools and techniques for detecting and mitigating interference, including FFT software and long water profiles.
Discussion of coordinate frames, data screening, and ping timing for accurate DVL measurements.
Explains the different coordinate frames (beam, instrument, ship, Earth) for velocity vector output.
Methods to detect and reject occasional data outliers and false targets for navigation system accuracy.
Importance of accurate time referencing for Pathfinder data fed into acquisition systems, using hardware triggers.
Environmental conditions affecting DVL errors and function, including surf zone, weeds, salinity, and temperature.
Conditions like surf zone, weeds, high salinity, and temperature gradients that can cause DVL errors.
Methods for triggering the DVL: serial port input and low-latency triggering.
Importance of bench testing DVL with system components to identify and remedy EMI and acoustic interference.
Provides a list of critical tests and a step-by-step guide for configuring the DVL for troubleshooting.
Troubleshooting steps for communication problems, including COM port, baud rate, and USB to serial adapters.
Checklist for performing site-based quality issue diagnosis, including identifying the unit and running built-in tests.
Instructions for providing text files with commands sent to the unit during deployment or default settings.
Guide on creating command files using ASCII editors like Notepad for setting Pathfinder parameters.
A flowchart detailing the steps for Pathfinder deployment: inventory, software install, setup, QA/QC, data collection, and post-processing.
Tables listing Pathfinder ROV spare parts and kits for field service, with part numbers and descriptions.
Recommended regular inspections before every deployment, including transducer, O-rings, cables, and anodes.
Maintenance tasks to be performed prior to using the DVL, such as cleaning cable connectors.
Guidance on inspecting the transducer face for urethane damage, bio-fouling, and potential early signs of urethane failure.
Methods for removing foreign matter and biofouling from transducer faces, with precautions against damage.
Procedures for inspecting zinc anodes for corrosion, checking electrical continuity, and replacement.
Inspection of housing and transducer assembly coatings for corrosion, scratches, and damage.
Recommendations for replacing O-rings and desiccant every two years, and firmware updates when needed.
Instructions for updating Pathfinder DVL firmware using the downloaded self-extracting zip file.
Guidelines for shipping the Pathfinder, including removing coatings, customs inspection, and repackaging.
Steps for returning systems to the TRDI factory, including RMA request, MSDS provision, and shipping instructions.
Instructions for returning systems to TRDI Europe, including RMA request and shipping procedures.
Detailed operational specifications for Bottom Tracking, Water Profiling, and Acoustic parameters of the Pathfinder DVL.
Lists environmental operating parameters including temperature, vibration, and shock resistance.
Details electrical specifications such as DC input, surge current, average power, and quiescent power.
Specifies communication interfaces (Ethernet & RS-232), baud rates, and supported ensemble types.
References outline installation drawings for OEM and ROV Pathfinder models.
Defines how to enter commands via Windows-compatible computer running TRDI Toolz for setup and control.
Explains how input commands are processed, executed, and how the Pathfinder responds to valid or invalid commands.
Describes how the Pathfinder sends data ensembles (header, leader, velocity, etc.) after collection.
Summarizes Pathfinder input commands, their formats, default settings, and brief descriptions.
Lists major help groups and how to display command group or specific command help.
Interrupts Pathfinder processing without erasing settings, used to wake up the system or initiate data I/O mode.
Lists installed special firmware upgrades and provides information on installing additional capabilities.
Displays the Pathfinder banner, including firmware version, time, and network status.
Commands for bottom-tracking applications, collecting speed-over-bottom and range-to-bottom data.
A list of commands related to Bottom Track setup, including amplitude, correlation, and error velocity thresholds.
Lists expert commands starting with '#', which control parameters like blank range and gain switch.
Sets Bottom Track range to zero when velocity correlation drops below minimum magnitude, filtering low correlation data.
Enables Bottom Track to preserve range-to-bottom across a Break, offering faster restart and preventing signal interference.
Sets the minimum value for valid bottom detection; reducing it increases detection range but may cause false detections.
Sets the near limit of bottom detection beyond the transmit pulse to search for the bottom.
Sets minimum correlation magnitude for valid velocity data; data below threshold is flagged as bad.
Sets the maximum error velocity for good bottom-track data; exceeding it flags data as bad.
Sets a 'best-guess' of expected bottom range for internal calculations, useful for fixed range bottoms.
Sets RSSI thresholds for switching receiver gain for bottom track pings based on altitude and RSSI.
Selects maximum vertical distance from transducer to bottom at which Pathfinder operates at low gain.
Controls which bottom data types are output in the ensemble, including velocity, correlation, and status.
Selects water-mass layer ping frequency, dependent on BP command for ensemble averaging.
Sets bottom-track water-mass layer boundaries and minimum layer size for reference when bottom is out of range.
Sets the Bottom Track mode (8, 9, or 101) for improved accuracy in shallow operations or side-lobe coupling test.
Controls distance measure calculation behavior when Bottom Track is lost based on timeout parameters.
Sets the filter constant for distance measurement calculation in PD6, affecting earth-referenced distance data.
Command used only for 38 kHz systems to set the over range limit for measurements.
Clears internal distance traveled accumulators, used for PD0 and PD6 output formats.
Scales bottom mode transmit length to optimize tradeoff between energy and bottom detection ability.
Turns on or off the Low Altitude Bottom Track mode for improved performance in shallow water.
Commands to control system parameters like serial port, Ethernet, and pinging.
Lists available commands for controlling system parameters, including serial port and Ethernet settings.
Sets RS-232/422 serial port parameters: Baud Rate, Parity, and Stop Bits.
Checks and enables Ethernet settings, reporting functional status based on DSP and Ethernet module communication.
Sets various Pathfinder data flow-control parameters: automatic/manual cycling, binary/Hex-ASCII output, serial output.
Stores present user command parameters to non-volatile memory, preserving settings even if power is lost.
Resets Pathfinder command set to factory settings or recalls user/Ethernet parameters.
Starts the data collection cycle, initiating the transducer pinging and data collection process.
Initializes Pathfinder to predefined parameters and starts pinging automatically after power-up or break.
Enables or disables the trigger, controlling ping timing based on external signals for precise applications.
Powers down the DVL, interrupting processing and entering STANDBY mode while maintaining RAM.
Lists expert commands starting with '#', controlling system parameters like turnkey mode and input triggers.
Commands to control environmental and positional information affecting internal data processing.
Lists available commands for environmental data: heading, speed of sound, depth, salinity, and temperature.
Corrects for physical misalignment between Beam 3 and the heading reference for accurate heading output.
Sets Pathfinder heading and coordinate frame, referenced to instrument or ship coordinates.
Sets Pathfinder pitch and roll angles, and the coordinate frame for inputs.
Sets Pathfinder roll angle used by the system if the corresponding EZ bit is set to 0.
Sets the water's salinity value, used by Pathfinder in speed of sound calculations.
Sets the water's temperature value, used by Pathfinder in speed of sound calculations.
Sets the Pathfinder up/down orientation, used with EZ command for manual orientation specification.
Corrects for bias between Pathfinder heading and reference, used for velocity transformation.
Sets flags for coordinate transformation processing for velocity and percent-good data.
Selects the source of environmental sensor data (manual or sensor), overriding settings if needed.
Lists expert commands starting with '#', controlling specialized data types and environmental parameters.
Corrects altitude calculation for phased arrays when using manual or calculated speed of sound.
Corrects for physical roll misalignment between instrument's x-axis and ship's starboard axis.
Corrects for physical pitch misalignment between instrument's y-axis and ship's forward axis.
Commands related to the recorder's solid-state memory for continuous data recording.
Erases the contents of the recorder's memory; requires specific typing to prevent accidental erasure.
Displays the recorder's memory usage, including the number of used and free pages.
Sets the deployment name for future deployments, used as part of the file name for data files.
Turns the recorder on or off, controlling continuous data recording functionality.
Uploads recorder data to a host computer using standard YMODEM protocol via serial interface.
Commands for calibration and testing of the Pathfinder, including run/go-no-go tests and built-in tests.
Lists commands for performance and testing, including PA, PC, PD, PS, and PT commands.
Sends and displays results of diagnostic tests checking major modules and signal paths before deployment.
Allows viewing sensor data values used in Doppler processing and identifying data source IDs.
Displays Pathfinder system configuration data, including serial number, frequency, and firmware version.
Provides detailed system configuration information, including serial number, frequency, and board serial numbers.
Sends Fixed Leader parameters in Hex-ASCII or binary format, including hardware/firmware information.
Sends transducer beam information used for coordinate-transformation calculations.
Returns the Bottom Track and Water profile ping sequence for one ensemble.
Displays results of system diagnostic tests, with various test numbers for specific component checks.
Displays the test menu for diagnostic tests, allowing selection of specific tests or continuous testing.
Displays receive path characteristics, ensuring transducer electronics and ceramics are connected.
Checks entire signal path continuity (transmitter-transducer-receiver) for proper connection.
Performs a write/read test of memory locations in the transmit RAM holding the signal pattern.
Tests the receive buffer for data integrity and proper write/read operations.
Tests the FRAM for recorder directory information, verifying pattern, address, and data integrity.
Performs RAM tests similar to those described for FRAM, verifying memory integrity.
Tests flash ROM by comparing CRC of data in ROM with stored CRC value.
Checks flash chips for blankness and performs a random sector pattern test.
Ringing test reserved for TRDI use with special software; not meant for manual execution.
Lists expert commands starting with '#', controlling data stream selection and Ethernet settings.
Selects the type of ensemble output data structure (PD0, PD4, PD5, PD6, PD13).
Selects multiple formats for simultaneous enabling on Pathfinder systems with optional Ethernet module.
Commands to set the timing of various profiling functions, including ensemble and ping intervals.
Lists available timing commands: Time Per Ensemble, First Ping Time, Time Between Pings, and System Date/Time.
Sets minimum interval between data collection cycles (ensembles), defaulting to immediate collection.
Sets the specific time for the Pathfinder to start data collection, allowing delayed deployment.
Sets the minimum time between pings, ensuring even spread throughout the ensemble.
Sets the Pathfinder's internal real-time clock using TRDI Toolz or direct command input.
Sets the Pathfinder's internal real-time clock with Y2k compliance, ensuring accurate date and time settings.
Commands defining criteria for collecting water-profile data, including bandwidth and depth cell settings.
Lists commands for water profiling: False Target Amplitude, Bandwidth, Correlation Threshold, Data Out, etc.
Sets the profiling bandwidth (sampling rate); narrow bandwidth profiles farther but increases standard deviation.
Selects data types collected by Pathfinder: velocity, correlation, echo intensity, percent good, and status.
Moves first depth cell away from transducer to allow transmit circuits to recover before receive cycle.
Sets the number of depth cells over which the Pathfinder collects data.
Sets the number of pings to average in each data ensemble for better accuracy.
Selects the volume of water for one measurement cell, setting cell size in vertical centimeters.
Sets radial ambiguity velocity for profile/water mass mode to improve single-ping standard deviation.
Lists expert commands starting with '#', controlling water profiling parameters like false target threshold and correlation.
Sets a false target filter to screen water-track data for fish, rejecting velocity data based on echo intensity.
Sets minimum correlation threshold for water-track data to ensure acceptable correlation for profile and water mass mode.
Sets maximum error velocity for good water-current data; flags data as bad if error velocity exceeds threshold.
Allows Pathfinder to reduce receiver gain by 40 dB for profile and water mass mode to increase data reliability.
Selects transmit length different from depth cell size, defaulting to depth cell size.
Sets single-beam transmit mode; used for debugging and testing.
Guidance on selecting data output formats (binary or ASCII text) based on deployment needs.
Details on using binary format for recording/processing on external devices due to space and speed advantages.
Using Hex ASCII format for viewing raw data on computer/dumb terminals, representing numeric values as hexadecimal digits.
Description of the standard PD0 Pathfinder output data format, including header, fixed/variable leader, and data types.
Details the fixed leader data structure, containing non-dynamic hardware and configuration information.
Describes the dynamic Pathfinder data from clocks/sensors that change with each ping, sent as output data.
Format for environmental command parameters, corresponding to 'E' menu commands for attitude and sensor data.
Format for bottom track commands, detailing fields like Amplitude Threshold, Correlation Magnitude, and Depth Guess.
Format for high-resolution bottom track velocity data, including velocity and distance made good for each beam.
Format for bottom track range data, including slant range, axis delta range, vertical range, and percent good data.
Details the fields within the Bottom Track Range output format, specifying slant range, axis delta, and vertical range.
Format for navigation parameters, including time-to-bottom, standard deviations, and shallow operation flags.
Format identifying sensor sources for Doppler processing, including heading, pitch, roll, salinity, and depth.
Describes the checksum data format used for verifying data integrity in binary output.
Introduces PD4, PD5, PD6, and PD13 commands for selecting specific Pathfinder output data formats.
Details the structure of Pathfinder binary data formats PD4 and PD5, including data IDs and system configuration.
Provides detailed descriptions of fields within PD4/PD5 output formats, including salinity, depth, pitch, and roll.
Describes the PD13 output data format, including system attitude, timing, scaling, and sensor data.
Details the PD6 output data format, providing system attitude and timing data in a line-oriented structure.
Information to help write software for decoding Pathfinder ensembles, focusing on PD0 data format rules.
Explains data type IDs, fixed fields, dynamic data addition, and the non-fixed order of data types in PD0 format.
Step-by-step process to decode PD0 data, including locating header, confirming ID, calculating checksum, and identifying data types.
Information on China RoHS requirements for marking Electrical and Electronic Products with a Date of Manufacture.
Defines the EFUP as ten years for TRDI products, indicating the period hazardous substances won't leak.
Indicates compliance with the Waste Electrical and Electronic Equipment Directive and requirements for disposal.
States compliance with Electromagnetic Compatibility Directives and the standards used for verification.
Table disclosing toxic or hazardous substances contained in product components per SJ/T 11364-2006.
