Furuno DS-50 Operator's Manual
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Furuno DS-50 Operator's Manual

Furuno DS-50 Operator's Manual

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  • Page 2 All rights reserved. All rights reserved. Printed in Japan Printed in Japan PUB.No. PUB.No. OME-72410 OME-72410 ( ( DAMI DAMI ) ) DS-50 DS-50 Your Local Agent/Dealer Your Local Agent/Dealer FIRST EDITION : FIRST EDITION : APR. APR. 1996 1996 : : FEB.
  • Page 3 Continued use of the equipment can cause fire or electrical shock. Contact a FURUNO agent for service. Do not place liquid-filled containers on the top of the equipment.
  • Page 4 WARNING LABEL A warning label is attached to the units shown right. Do not remove the labels. If a label is missing or is illegible, contacta FURUNO dealer or agent about replacement. Name: Warning Label (1) WARNING Type: 86-003-1011 To avoid electrical shock, do not Code No.: 100-236-230...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ... 1 SPECIFICATIONS ... 2 SYSTEM CONFIGURATION OPERATION ... 6 Controls and Indications on the Main Display Unit ... 6 Turning on the Power, Adjusting Panel Brilliance... 8 Selecting Speed Tracking Mode ... 9 Selecting Unit of Speed Measurement... 9 Displaying Distance Run or Keel Clearance ...

  • Page 6: Specifications

    General Specifications 1. Ultrasonic frequency 2. Number of beams 3. Measuring range and accuracy Ship's speed Working depth Total distance run Accuracy (ship's speed) 4. Display Main display unit Digital indicator 5. Input/Output signals Input Output Digital interface 6. Power supply 7.
  • Page 7 Specifications of DS-350/351 Digital Display (option) 1. Display device 2. Indication Speed Unit Direction Mode Depth (clearance) 3. Other features 4. Power consumption Specifications of DS-370 Distribution Box (option) 1. Input signal (TTL level) 2. Output signal (1) OTX board (2) ODD board (3) OAD board (4) OLG board...
  • Page 8 (6) OAV board 3. Power supply and power consumption Specifications of DS-381 Series Analog Display (option) 1. Indication system 2. Panel dimensions 3. Power consumption Specifications of DS-382 Series Analog Display (option) 1. Indication system 2. Panel dimensions 3. Power consumption Specifications of DS-501 Control Box (option) 1.

  • Page 9: System Configuration

    SYSTEM CONFIGURATION MAIN DISPLAY UNIT DS-50 SIGNAL cable PROCESSOR UNIT DS-511/510 SHIP'S MAINS 115/230 VAC, 50/60 Hz, 1¿ JUNCTION BOX DS-360 (option) TRANSCEIVER UNIT DS-520 TRANSDUCER DS-530 CONTROL BOX DS-501 (option) DIGITAL DISPLAY POWER cable DS-350/351 (option) DISTANCE INDICATOR DS-730 (option)

  • Page 10: Operation

    Performance may be affected by air bubbles, interference and other factors. Note: OPERATION Port or starboard speed Port and starboard direction indicators FURUNO FURUNO DS-50 DOPPLER SONAR istance Keel Clearance DIMMER Distance MODE Keel Clearance SET and arrow keys Set distance run.

  • Page 11: Control Description

    Control description Main controls MODE selector Selects tracking mode among ground, water and automatic. Each time the key is pressed the tracking mode changes in the sequence of ground, water and automatic. Current tracking mode is denoted by the tracking mode lamps.

  • Page 12: Turning On The Power, Adjusting Panel Brilliance

    1. Press the [POWER] switch to turn on the power. The equipment is tested in the sequence below: 1) Communications test between main display unit and the processor unit is conducted. Three zeroes blink about 30 s. FURUNO FURUNO DS-50 DOPPLER SONAR istance Keel Clearance DIMMER Distance...

  • Page 13: Selecting Speed Tracking Mode

    Selecting Speed Tracking Mode Press the [MODE] selector to select speed tracking mode among water, ground or automatic. Select the mode considering depth and speed. "G", "W" or "A" lights to show mode selected. G: Measures and displays a speed relative to ground. The depth range usable for this mode is 1 to 200 meters below the keel.

  • Page 14: Setting Distance Run

    Setting Distance Run The distance run indication is backed up with an internal battery when the power is off. To reset or change the distance run, do the following: 1. Open the lid at the bottom of the display unit and press the [SET] key. The display should look like the illustration below, with the highest digit of distance run blinking.

  • Page 15: System Settings

    System Settings The system settings do not require frequent adjustment. The table below shows setting range and default setting for each parameter. l l a i t a t s i t s i Note: The above settings are retained with an internal battery when the power is off. / t f...
  • Page 16 3. Press t or s to change setting. 4. Press to verify the data entered. 5. Turn off the power, and the new settings are entered in memory. FURUNO FURUNO DS-50 DOPPLER SONAR "1" appears. istance Keel Clearance Setting DIMMER...

  • Page 17: Control Box (Option) Operation

    CONTROL BOX (option) OPERATION The DS-501 Control Box provides remote operation of the main display unit. The [MODE], [Distance/ Keel Clearance] and [DIMMER] controls function the same as those found on the main display unit. DS-50 DS-50 DIMMER DIMMER Distance...

  • Page 18: Maintenance & Troubleshooting

    MAINTENANCE & TROUBLESHOOTING Preventive Maintenance Monthly checks Check the following monthly: • All connectors and cables are securely connected. • Check ground of main display unit and processor unit for rust. Clean if necessary. • Check that power voltage is within prescribed rating. •...

  • Page 19: Troubleshooting

    Troubleshooting Below are simple troubleshooting procedures the operator can follow to restore normal opera- tion. Power cannot be turned on. • Try adjusting brilliance (power may be on but brilliance is too low). • Check the power cable for damage. •...

  • Page 20: Error Display

    LEDs, ROM, RAM, EEPROM and buzzer and displays the program version number. This is done continuously. 2. To escape from the diagnostic program, turn off the power. Error display FURUNO FURUNO MODE DS-50 DOPPLER SONAR Main display unit error indications 1: ROM error 2: RAM error 3: EEPROM error...

  • Page 21: Error Displays

    Error Displays Processor unit error indications 1: MCP Board error Program Number x i f FURUNO FURUNO DS-50 DOPPLER SONAR istance Keel Clearance DIMMER Distance MODE Keel Clearance 2: MFT Board 3: MCP Board error Main display unit error indications...

  • Page 22: Principle Of Doppler Speed Log

    "fo + fd" and "fo - fd" by the trans- ducer. In the processor unit of the DS-50, difference of "fo + fd" and "fo - fd" are computed to extract only the Doppler shift factor "fd".

  • Page 23: Digital Interface (Iec 61162-1 Edition 2)

    DIGITAL INTERFACE IEC 61162-1 EDITION 2 Output sentences of channel 1, 2 (NMEA/CIF 1, NMEA/CIF 2) VBW, VTG, VLW, VHW. (VTG is not output when the bottom echo has not been acquired. Heading data in VTG and VHW is "null.") Transmission interval 1 s for any sentence Data transmission...
  • Page 24 Schematic diagram Data sentences VBW - Dual ground/water speed...
  • Page 25 VHW - Water speed and heading VLW - Distance traveled through water VTG - Course over ground and ground speed...
  • Page 26 This page is intentionally left blank.

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