Installation Instructions
Page 1
... pieces are not covered by the manufacturer's limited warranty. Install the transducer. 4. There should be used for the Fishfinder 300C is exposed to 55°C). Bail Mounting the Fishfinder 300C The Fishfinder 300C is suitable for mounting in an area that all cables can be... requires the following when you select an installation location: • Provide optimal viewing as you experience difficulty installing the Fishfinder 300C, contact Garmin Product Support or contact a professional installer. Install the wiring harness. 5. NOTE: The temperature range for console or ...
... pieces are not covered by the manufacturer's limited warranty. Install the transducer. 4. There should be used for the Fishfinder 300C is exposed to 55°C). Bail Mounting the Fishfinder 300C The Fishfinder 300C is suitable for mounting in an area that all cables can be... requires the following when you select an installation location: • Provide optimal viewing as you experience difficulty installing the Fishfinder 300C, contact Garmin Product Support or contact a professional installer. Install the wiring harness. 5. NOTE: The temperature range for console or ...
Installation Instructions
Page 3
... and bottom mounting covers are provided in the transducer kits. Place the Fishfinder 300C into the transducer mount. 3. Replace the mounting covers by a professional marine installer. Coil and secure any existing (Garmin or non-Garmin) transducer cables. 8. Slide the transducer into the cutout. Route the cable toward the back of the transducer Fishfinder 300C Installation Instructions Mounting covers 10.Securely tighten...
... and bottom mounting covers are provided in the transducer kits. Place the Fishfinder 300C into the transducer mount. 3. Replace the mounting covers by a professional marine installer. Coil and secure any existing (Garmin or non-Garmin) transducer cables. 8. Slide the transducer into the cutout. Route the cable toward the back of the transducer Fishfinder 300C Installation Instructions Mounting covers 10.Securely tighten...
Installation Instructions
Page 4
... selecting a transom-mount location, consider the following for optimal performance. Fishfinder 300C Installation Instructions note: For cold water, or heavy timber or debris areas, a metal 4-5" (100-130 mm) worm-gear clamp is aligned properly. Mounting the Transducer on a Trolling Motor To mount the transducer on the curved top of the cable tie around the...
... selecting a transom-mount location, consider the following for optimal performance. Fishfinder 300C Installation Instructions note: For cold water, or heavy timber or debris areas, a metal 4-5" (100-130 mm) worm-gear clamp is aligned properly. Mounting the Transducer on a Trolling Motor To mount the transducer on the curved top of the cable tie around the...
Installation Instructions
Page 5
... below an aluminum hull. Apply marine sealant to the Fishfinder 300C. Tighten the 10-32 locking nut until it touches the mounting bracket, and then tighten 1/4 turn more. (Do not overtighten.) 5. Place the first cable clamp on the transducer cable, approximately one of the transom. 6. Coat the screw with the water. 4. Position the...
... below an aluminum hull. Apply marine sealant to the Fishfinder 300C. Tighten the 10-32 locking nut until it touches the mounting bracket, and then tighten 1/4 turn more. (Do not overtighten.) 5. Place the first cable clamp on the transducer cable, approximately one of the transom. 6. Coat the screw with the water. 4. Position the...
Installation Instructions
Page 6
... source. 2. NMEA out (blue) Fishfinder 300C Power/Data Cable Pin Assignment Fishfinder 300C Installation Instructions Step 4: Install the Wiring Harness The Fishfinder 300C comes with a cable assembly that connects it to power and to the transducer with the Fishfinder 300C. The color code in the diagram ...or in the in -line fuse holder supplied with one connection and provides interface capabilities for normal operation of the Fishfinder 300C. Cutting the transducer cable voids your current fuse block. Install or check the 3A fuse (on page 7 indicates the appropriate harness ...
... source. 2. NMEA out (blue) Fishfinder 300C Power/Data Cable Pin Assignment Fishfinder 300C Installation Instructions Step 4: Install the Wiring Harness The Fishfinder 300C comes with a cable assembly that connects it to power and to the transducer with the Fishfinder 300C. The color code in the diagram ...or in the in -line fuse holder supplied with one connection and provides interface capabilities for normal operation of the Fishfinder 300C. Cutting the transducer cable voids your current fuse block. Install or check the 3A fuse (on page 7 indicates the appropriate harness ...
Installation Instructions
Page 7
... Configure > System > NMEA Output > On.) 4. Connect the blue (NMEA 0183-OUT) wire from the Fishfinder 300C to NMEA 0183-compatible devices. (Red) + Vdc To transducer (Black) Ground dc power source (Blue) NMEA 0183 OUT RXD + RXD - You must be attached together...Fishfinder 300C allows for wire identification. 2. Refer to send data. NMEA device (optional) (Yellow) Alarm Low Alarm relay (optional) 100 ma maximum coil current Fishfinder 300C Wiring Diagram Connecting to a NMEA device You can send depth, temperature, and speed information. Turn on page 6. For Garmin...
... Configure > System > NMEA Output > On.) 4. Connect the blue (NMEA 0183-OUT) wire from the Fishfinder 300C to NMEA 0183-compatible devices. (Red) + Vdc To transducer (Black) Ground dc power source (Blue) NMEA 0183 OUT RXD + RXD - You must be attached together...Fishfinder 300C allows for wire identification. 2. Refer to send data. NMEA device (optional) (Yellow) Alarm Low Alarm relay (optional) 100 ma maximum coil current Fishfinder 300C Wiring Diagram Connecting to a NMEA device You can send depth, temperature, and speed information. Turn on page 6. For Garmin...
Installation Instructions
Page 8
... map data) throughout the life of your Fishfinder 300C on the Fishfinder 300C. When you select your Fishfinder 300C settings: 1. To test the transom-mount transducer installation: 1. Return the boat to work properly. Placing the transducer too deep can adversely affect boat performance and put the transducer at www.garmin.com. © 2007 Garmin Ltd. Liberty House, Hounsdown Business Park, Southampton...
... map data) throughout the life of your Fishfinder 300C on the Fishfinder 300C. When you select your Fishfinder 300C settings: 1. To test the transom-mount transducer installation: 1. Return the boat to work properly. Placing the transducer too deep can adversely affect boat performance and put the transducer at www.garmin.com. © 2007 Garmin Ltd. Liberty House, Hounsdown Business Park, Southampton...
Quick Start Manual
Page 4
... on the ROCKER > SELECT. Using Simulator Mode If a transducer is not connected, no data is shown. To turn on the ROCKER to use your Fishfinder 300C. Turning the Fishfinder 300C On Press and hold the POWER key until the Fishfinder 300C beeps and the Home screen appears. Press left or right ..., or vessel speed. Press left or right on the Simulator Mode: From the Home screen, select Configure > System > Simulator > On. Fishfinder 300C Quick Start Manual To adjust the day/night mode: 1. Use Simulator Mode to practice and learn how to highlight the day/night bar. 3. Press...
... on the ROCKER > SELECT. Using Simulator Mode If a transducer is not connected, no data is shown. To turn on the ROCKER to use your Fishfinder 300C. Turning the Fishfinder 300C On Press and hold the POWER key until the Fishfinder 300C beeps and the Home screen appears. Press left or right ..., or vessel speed. Press left or right on the Simulator Mode: From the Home screen, select Configure > System > Simulator > On. Fishfinder 300C Quick Start Manual To adjust the day/night mode: 1. Use Simulator Mode to practice and learn how to highlight the day/night bar. 3. Press...
Quick Start Manual
Page 5
... Home Screen Full Screen-displays a full-screen graph of the sonar readings (page 4). Basic Operation Using the Fishfinder 300C Keypad POWER/BACKLIGHT-Press and hold to indicate the transducer's sonar readings (page 8). Flasher-as an alternative to the full-screen graph, displays a round flasher to turn... the Fishfinder 300C on ‑screen messages. SELECT-Press to adjust the backlight and day/night modes. Press and ...
... Home Screen Full Screen-displays a full-screen graph of the sonar readings (page 4). Basic Operation Using the Fishfinder 300C Keypad POWER/BACKLIGHT-Press and hold to indicate the transducer's sonar readings (page 8). Flasher-as an alternative to the full-screen graph, displays a round flasher to turn... the Fishfinder 300C on ‑screen messages. SELECT-Press to adjust the backlight and day/night modes. Press and ...
Quick Start Manual
Page 6
... From the Home screen, select Full Screen to view a full-screen graph of the sonar returns. (When using a compatible transducer or sensor (page 11). The colors indicate relative strengths of the sonar readings. The range scale along the right side of...indicates the strongest return and black indicates the weakest return.) Depth, temperature, water speed, and battery voltage Suspended targets Range Bottom Transducer mode Fishfinder 300C Quick Start Manual Temp Log-displays a customizable graph of detected objects as the screen scrolls from right to show information numerically (...
... From the Home screen, select Full Screen to view a full-screen graph of the sonar returns. (When using a compatible transducer or sensor (page 11). The colors indicate relative strengths of the sonar readings. The range scale along the right side of...indicates the strongest return and black indicates the weakest return.) Depth, temperature, water speed, and battery voltage Suspended targets Range Bottom Transducer mode Fishfinder 300C Quick Start Manual Temp Log-displays a customizable graph of detected objects as the screen scrolls from right to show information numerically (...
Quick Start Manual
Page 8
... shown. If using a speed-capable transducer, select Auto to have the scroll speed automatically adjust to the water speed of each symbol is indicated. • Scroll Speed-adjusts the rate at which the sonar scrolls from right to adjust the zoom depth window, then press SELECT. Fishfinder 300C Quick Start Manual From the...
... shown. If using a speed-capable transducer, select Auto to have the scroll speed automatically adjust to the water speed of each symbol is indicated. • Scroll Speed-adjusts the rate at which the sonar scrolls from right to adjust the zoom depth window, then press SELECT. Fishfinder 300C Quick Start Manual From the...
Quick Start Manual
Page 9
...highlights the strongest signal from the transducer. Transducer at Bottom of from the bottom to compensate for a keel. Select Calibrate Water Speed to adjust the offset, then press SELECT. Follow the on-screen directions for the depth of a keel. Fishfinder 300C Quick Start Manual Almost all... strong returns are highlighted in white. see Transducer, below, if a speed wheel is attached)-Select Keel Offset to offset for a large vessel...
...highlights the strongest signal from the transducer. Transducer at Bottom of from the bottom to compensate for a keel. Select Calibrate Water Speed to adjust the offset, then press SELECT. Follow the on-screen directions for the depth of a keel. Fishfinder 300C Quick Start Manual Almost all... strong returns are highlighted in white. see Transducer, below, if a speed wheel is attached)-Select Keel Offset to offset for a large vessel...
Quick Start Manual
Page 11
Understanding the Split Zoom Screen From the Home screen, select Split Zoom to change the range, gain, beam, zoom, depth line, and sonar settings, as described starting on the same screen. Depth, temperature, water speed, and battery voltage Zoomed depth scale Zoom window Range Transducer mode Press MENU to view the full sonar data and a zoomed portion on page 5. Fishfinder 300C Quick Start Manual
Understanding the Split Zoom Screen From the Home screen, select Split Zoom to change the range, gain, beam, zoom, depth line, and sonar settings, as described starting on the same screen. Depth, temperature, water speed, and battery voltage Zoomed depth scale Zoom window Range Transducer mode Press MENU to view the full sonar data and a zoomed portion on page 5. Fishfinder 300C Quick Start Manual
Quick Start Manual
Page 12
Temperature-capable transducers display the Water Temp field. To reset the odometer to zero: From the Home screen, select Numbers > MENU > Reset Odometer > Yes. 10 Fishfinder 300C Quick Start Manual Speed-capable transducers or separate speed wheels display the Water Speed and Odometer fields. Understanding the Numbers Screen The Numbers screen displays numeric information instead of your transducer. All sonar transducers display depth. The information shown is determined by the capabilities of a graph.
Temperature-capable transducers display the Water Temp field. To reset the odometer to zero: From the Home screen, select Numbers > MENU > Reset Odometer > Yes. 10 Fishfinder 300C Quick Start Manual Speed-capable transducers or separate speed wheels display the Water Speed and Odometer fields. Understanding the Numbers Screen The Numbers screen displays numeric information instead of your transducer. All sonar transducers display depth. The information shown is determined by the capabilities of a graph.
Quick Start Manual
Page 13
.... From the Home screen, select Temp Log > MENU > Scale. 2. Temperature and depth Temperature range Time elapsed Duration To adjust the time scale of the graph: 1. Fishfinder 300C Quick Start Manual 11 Press up or down on the ROCKER, then press SELECT. Press up or down on the ROCKER to the left as... screen, select Temp Log > MENU > Duration. 2. To adjust the temperature scale of the graph: 1. Understanding the Temp Log Screen If you are using a temperature-capable transducer, the Temp Log screen keeps a graphic log of temperatures.
.... From the Home screen, select Temp Log > MENU > Scale. 2. Temperature and depth Temperature range Time elapsed Duration To adjust the time scale of the graph: 1. Fishfinder 300C Quick Start Manual 11 Press up or down on the ROCKER, then press SELECT. Press up or down on the ROCKER to the left as... screen, select Temp Log > MENU > Duration. 2. To adjust the temperature scale of the graph: 1. Understanding the Temp Log Screen If you are using a temperature-capable transducer, the Temp Log screen keeps a graphic log of temperatures.
Quick Start Manual
Page 15
...settings: From the Home screen, select Configure > Sonar. Fishfinder 300C Quick Start Manual 13 Sonar To change the system settings: From the Home screen, select Configure > System. • Beeper-sets beeps to sound when the transducer reports a temperature that is 2°F (1.1°C) above...press down on the ROCKER to other NMEA 0183-compatible electronic equipment. If you to practice with or without a transducer. • NMEA Output-allows the Fishfinder 300C to transmit information to switch between day and night modes: From the Home screen, select Configure > Display. •...
...settings: From the Home screen, select Configure > Sonar. Fishfinder 300C Quick Start Manual 13 Sonar To change the system settings: From the Home screen, select Configure > System. • Beeper-sets beeps to sound when the transducer reports a temperature that is 2°F (1.1°C) above...press down on the ROCKER to other NMEA 0183-compatible electronic equipment. If you to practice with or without a transducer. • NMEA Output-allows the Fishfinder 300C to transmit information to switch between day and night modes: From the Home screen, select Configure > Display. •...
Quick Start Manual
Page 16
...(Available only with speedcapable transducers or separate speed wheels.) • Distance-select Statute (mi), Metric (km), or Nautical (nm). (Available only with the POWER key. • Language-allows you must reconfigure the initial settings (page 16). The Fishfinder 300C does not automatically turn ...on if it was turned off with speed-capable transducers.) 14 Fishfinder 300C Quick Start Manual Units To change the units of power.
...(Available only with speedcapable transducers or separate speed wheels.) • Distance-select Statute (mi), Metric (km), or Nautical (nm). (Available only with the POWER key. • Language-allows you must reconfigure the initial settings (page 16). The Fishfinder 300C does not automatically turn ...on if it was turned off with speed-capable transducers.) 14 Fishfinder 300C Quick Start Manual Units To change the units of power.
Quick Start Manual
Page 19
... Needs Repair-there is detected. Transducer Disconnected, Sonar Turned Off-the transducer or cable are not attached or need repair. Fishfinder 300C Quick Start Manual 17 Deep-Water Alarm-the deep-water alarm depth (Configure > Alarms > Deep Water > On) has been reached. Turn the Fishfinder 300C off . Contact your dealer or Garmin Product Support to restore the...
... Needs Repair-there is detected. Transducer Disconnected, Sonar Turned Off-the transducer or cable are not attached or need repair. Fishfinder 300C Quick Start Manual 17 Deep-Water Alarm-the deep-water alarm depth (Configure > Alarms > Deep Water > On) has been reached. Turn the Fishfinder 300C off . Contact your dealer or Garmin Product Support to restore the...