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Table of Contents
Summary of Contents for Cobra Marine Marine MF2500
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Page 2: Mf 2500 Fish Finder
6500 West Cortland Street, Chicago Illinois 60707 USA Cobra®, NightWatch®, Nothing Comes Close to a Cobra® and the snake design are registered trademarks of Cobra Electronics Corpora- tion, USA. Cobra Electronics CorporationTM, CobraMarineTM and iASAPTM are trademarks of Cobra Electronics Corporation, USA. -
Page 3: Introduction
Technical Assistance English only: www.cobra.com (on-line: Frequently Asked Questions). English and Spanish: productinfo@cobra.com (e-mail). For Assistance Outside the U.S.A Contact Your Local Dealer or Distributor. Please see www.cobra.com for contact information. Owner's Manual MF 2500 Fish Finder. MF 2500 Fish Finder Works... -
Page 4: Warnings And Cautions
The MF 2500 Fish Finder is not built water proof. Please make sure to avoid water intrusion into the unit. Water damage is not covered by the warranty. MF 2500 Fish Finder please read these Nothing Comes Close to a Cobra dealer ®... -
Page 5: About This Owner's Manual
Included in This Package ABOUT THIS OWNER’S MANUAL Any menu operations in this Owner’s Manual are related to the CobraMarine Series of chartplotters. Connecting this product enables all of the Fish Finder menus and screens in the CobraMarine WHAT IS IN THE BOX? When the package containing the MF 2500 Fish Finder is first opened, please check it for the following contents (if any parts are missing contact the dealer the MF 2500 Fish Finder was purchased from):... -
Page 6: Table Of Contents
CHARTPLOTTER CONNECTION DIAGRAM ... 13 3. TRANSDUCERS 4. FREQUENTLY ASKED QUESTIONS ... 16 ... 2 ... 2 ... 3 ... 4 ... 5 ... 5 ... 6 ... 7 ... 8 ... 9 ... 9 ... 14 Nothing Comes Close to a Cobra ®... -
Page 7: 1.2. Overview
Overview 1.2. OVERVIEW The Fish Finder consists of a high power transmitter, sensitive receiver and a transducer. The Fish Finder sends an electrical pulse to the transducer which contains an element that converts the pulse into acoustic (sound) wave which is sent through the water. -
Page 8: The Mf 2500 Fish Finder
Trip Log: $VWVLW Water Temperature: $YXMTW TEMP2 Temperature: $YXXDR : 0C to +50C : -20C to +70C : 1 kg (2,20 LBS) : IP 54 : 7.62" (193.30mm) x 6.87" (174.30mm) x 2.19" (55.50mm) Nothing Comes Close to a Cobra ®... -
Page 9: Dimensions
Dimensions DIMENSIONS MOUNTING THE FISH FINDER The MF 2500 Fish Finder should be preferabily mounted in a dry and well ventilated location. Do not mount it where it will be submerged in liquids or exposed to high temperature. Owner's Manual... -
Page 10: Installation
1. BOOTLOADER LED Behavior: OFF The MF 2500 Fish Finder is running in the bootloader, or is not powered on at all. 2. STANDALONE DST, NO TRANSDUCER MODE LED Behavior: ON, steady chartplotter. Nothing Comes Close to a Cobra ®... - Page 11 Status LED The MF 2500 Fish Finder is in Standalone DST (Depth, Speed, Temperature) mode, but is not pinging because Transducer ID has not detected a transducer. This condition will occur if there is no communication with the chart plotter, and no transducer is connected. 3.
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Page 12: External Connections
External Connections EXTERNAL CONNECTIONS ® Nothing Comes Close to a Cobra... -
Page 13: Power Supply Wiring Diagram
Power Supply Wiring Diagram POWER SUPPLY WIRING DIAGRAM We recommended the installation of a switch and a (5A) fuse in the positive DC supply to the MF 2500 Fish Finder. The MF 2500 Fish Finder is active sending the digital depth through the NMEA interface even when the power (chartplotter) is turned off, thus the need for a switch. -
Page 14: Chartplotter Connection Diagram
Chartplotter Connection Diagram CHARTPLOTTER CONNECTION DIAGRAM See the following picture to make the connection to the chartplotter: ® Nothing Comes Close to a Cobra... -
Page 15: Transducers
Transducers TRANSDUCERS The transducer is a device that transmits and receives sound waves into the water. The active component inside the transducer is commonly referred to as an element but actually is a piezoelectric ceramic material. CobraMarine sells 4 transducers for various applications. See the table below Owner's Manual... - Page 16 Only some transducer models are suitable for 1000 Watt operation. Airmar has several suitable models. The MF 2500 Black Box Fish Finder will operate at this higher power rating if one of these transducers is connected. transducer dealer for other available transducer Nothing Comes Close to a Cobra ®...
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Page 17: Frequently Asked Questions
Frequently Asked Questions FREQUENTLY ASKED QUESTIONS How can I disconnect the cables from the MF 2500 Fish Finder in case I need to do so for the installation? Open the MF 2500 Fish Finder box unscrewing the four screws (see the following figure). - Page 18 AUTORANGE: sets the autorange mode and the manual gain mode. BOTTOM LOCK: sets the range mode to bottom lock and the manual gain mode. MANUAL: sets the range mode and the gain mode to manual. Nothing Comes Close to a Cobra ®...
- Page 19 Frequently Asked Questions How can I restore the Fish Finder default operating parameters? Simply select the CRUISE or the FISH preset. This will restore optimal operating parameters for either cruising or fishing. I’m using the Fish Finder in manual mode, how can I set the parameters for optimal operation.
- Page 20 STC strenght until the image on the screen cleans up. Please note that in very shallow waters it is usually better to switch to manual gain mode to reduce gain fluctuation due to rapidly changing bottom conditions. Nothing Comes Close to a Cobra ®...
- Page 21 Frequently Asked Questions 4.10 Why do I never see fish in the range between 0 to 0.7 meters? The minimum range of the fish finder is 0.7 meters. In this interval the Fish Finder can detect neither the bottom nor any target. 4.11 How can I reduce the surface clutter? You can act by: properly setting the STC as described at 6.12 and also by...
- Page 22 STATUS LED ... 9 Status LED ... 7 Storage temperature range ... 7 TECHNICAL SPECIFICATIONS ... 7 Temperature Sensor ... 7 transducer ... 6, 15 warnings ... 3 Water Proof Specification ... 7 Weight ... 7 ® Nothing Comes Close to a Cobra...