Installation Instructions
Page 4
...opposite end and pull it through the slot on a Transom When selecting a transom-mount location, consider the following for optimal performance. Fishfinder 300C Installation Instructions Pull the cable-tie end until it is recommended. 2. On twin-drive boats, mount the transducer between the drives, if...mount the transducer in calm water. • Mount the transducer as possible. • DO NOT cut the transducer lead. (This voids your sonar to operate properly, the transducer must be jarred when launching, hauling, or storing. • DO NOT mount the transducer in use, and...
...opposite end and pull it through the slot on a Transom When selecting a transom-mount location, consider the following for optimal performance. Fishfinder 300C Installation Instructions Pull the cable-tie end until it is recommended. 2. On twin-drive boats, mount the transducer between the drives, if...mount the transducer in calm water. • Mount the transducer as possible. • DO NOT cut the transducer lead. (This voids your sonar to operate properly, the transducer must be jarred when launching, hauling, or storing. • DO NOT mount the transducer in use, and...
Installation Instructions
Page 8
... and put the transducer at www.garmin.com. © 2007 Garmin Ltd. Press and hold the POWER key until the Fishfinder 300C beeps. Select OK to return to work properly. Do not leave your boat in both directions to be working properly, gradually increase boat speed while observing sonar operation. To test the transom-mount...
... and put the transducer at www.garmin.com. © 2007 Garmin Ltd. Press and hold the POWER key until the Fishfinder 300C beeps. Select OK to return to work properly. Do not leave your boat in both directions to be working properly, gradually increase boat speed while observing sonar operation. To test the transom-mount...
Quick Start Manual
Page 3
... page 3 Adjusting the Sonar Settings: page 6 Using the Flasher Screen: page 8 Using the Split Zoom Screen: page 9 Using the Numbers Screen: page 10 Using the Temp Log Screen: page 11 Configuring the Fishfinder 300C: page 12 Initializing the Fishfinder 300C: page 16 Appendix: page 15 Fishfinder 300C Quick Start Manual Manual...ROCKER to adjust the screen settings. Small arrows (>) in the text indicate that you should select each item in order. Getting Started Fishfinder 300C Tips and Shortcuts • Press HOME from any screen to return to the Home screen. • Press MENU from any of the...
... page 3 Adjusting the Sonar Settings: page 6 Using the Flasher Screen: page 8 Using the Split Zoom Screen: page 9 Using the Numbers Screen: page 10 Using the Temp Log Screen: page 11 Configuring the Fishfinder 300C: page 12 Initializing the Fishfinder 300C: page 16 Appendix: page 15 Fishfinder 300C Quick Start Manual Manual...ROCKER to adjust the screen settings. Small arrows (>) in the text indicate that you should select each item in order. Getting Started Fishfinder 300C Tips and Shortcuts • Press HOME from any screen to return to the Home screen. • Press MENU from any of the...
Quick Start Manual
Page 5
SELECT-Press to indicate the transducer's sonar readings (page 8). Flasher-as an alternative to the full-screen graph, displays a round flasher to select highlighted items and confirm on‑screen messages. Power/ Backlight Home Rocker Select Menu Fishfinder 300C Quick Start Manual Split Zoom-displays a ...Screen Full Screen-displays a full-screen graph of the sonar readings (page 4). MENU-Press to access additional settings or to return to adjust the backlight and day/night modes. HOME-Press to return to turn the Fishfinder 300C on the left , or right to highlight fields and...
SELECT-Press to indicate the transducer's sonar readings (page 8). Flasher-as an alternative to the full-screen graph, displays a round flasher to select highlighted items and confirm on‑screen messages. Power/ Backlight Home Rocker Select Menu Fishfinder 300C Quick Start Manual Split Zoom-displays a ...Screen Full Screen-displays a full-screen graph of the sonar readings (page 4). MENU-Press to access additional settings or to return to adjust the backlight and day/night modes. HOME-Press to return to turn the Fishfinder 300C on the left , or right to highlight fields and...
Quick Start Manual
Page 6
... the screen scrolls from right to view a full-screen graph of the sonar returns. (When using a compatible transducer or sensor (page 11). Temp Log-displays a customizable graph of data fields to show information numerically (page 10). Configure-configures the Fishfinder 300C settings (page 12). Numbers-displays a set of the water temperature when using...
... the screen scrolls from right to view a full-screen graph of the sonar returns. (When using a compatible transducer or sensor (page 11). Temp Log-displays a customizable graph of data fields to show information numerically (page 10). Configure-configures the Fishfinder 300C settings (page 12). Numbers-displays a set of the water temperature when using...
Quick Start Manual
Page 7
... to the bottom. Select No Zoom, 2x, or 4x. Or, from the Home screen, select Full Screen > MENU > Range > Manual Range. To see more detail. Fishfinder 300C Quick Start Manual Select Wide or Narrow. If the screen is cluttered, decrease the gain. Zoom To select the screen zoom: 1. Select Bottom Lock to... Full Screen > MENU > Zoom. 2. Select Manual Gain or Auto Gain. Range To set the range of the depth scale on the right side of the sonar receiver: 1. Use the ROCKER to view more detail, increase the gain. From the Home screen, select Full Screen > MENU > Gain. 2.
... to the bottom. Select No Zoom, 2x, or 4x. Or, from the Home screen, select Full Screen > MENU > Range > Manual Range. To see more detail. Fishfinder 300C Quick Start Manual Select Wide or Narrow. If the screen is cluttered, decrease the gain. Zoom To select the screen zoom: 1. Select Bottom Lock to... Full Screen > MENU > Zoom. 2. Select Manual Gain or Auto Gain. Range To set the range of the depth scale on the right side of the sonar receiver: 1. Use the ROCKER to view more detail, increase the gain. From the Home screen, select Full Screen > MENU > Gain. 2.
Quick Start Manual
Page 8
... with background information shown. Fishfinder 300C Quick Start Manual Suspended targets appear as symbols with no background information shown. Zoom Depth Zoom Depth is displayed only when 2x or 4x zoom is also indicated. From the Home screen, select Full Screen > MENU > Depth Line. 2. Sonar Setup To change the sonar settings: From the Home...
... with background information shown. Fishfinder 300C Quick Start Manual Suspended targets appear as symbols with no background information shown. Zoom Depth Zoom Depth is displayed only when 2x or 4x zoom is also indicated. From the Home screen, select Full Screen > MENU > Depth Line. 2. Sonar Setup To change the sonar settings: From the Home...
Quick Start Manual
Page 9
• Surface Noise-shows or hides the sonar returns near the surface of from the transducer. see Transducer, below, if a speed wheel is attached)-Select Keel Offset to offset for a large vessel that ... white. • Keel Offset (visible only if a speed wheel is the most sensitive setting. Select Calibrate Water Speed to adjust the offset, then press SELECT. Fishfinder 300C Quick Start Manual Hide surface noise to help reduce visual clutter. • Whiteline-highlights the strongest signal from the bottom of the boat keel instead...
• Surface Noise-shows or hides the sonar returns near the surface of from the transducer. see Transducer, below, if a speed wheel is attached)-Select Keel Offset to offset for a large vessel that ... white. • Keel Offset (visible only if a speed wheel is the most sensitive setting. Select Calibrate Water Speed to adjust the offset, then press SELECT. Fishfinder 300C Quick Start Manual Hide surface noise to help reduce visual clutter. • Whiteline-highlights the strongest signal from the bottom of the boat keel instead...
Quick Start Manual
Page 10
... on the ring when it is received at current location Press MENU to display sonar information on page 5. Fishfinder 300C Quick Start Manual Understanding the Flasher Screen From the Home screen, select Flasher to change the range, gain, beam, and sonar settings, as a ring that starts at the top and progresses clockwise. The colors...
... on the ring when it is received at current location Press MENU to display sonar information on page 5. Fishfinder 300C Quick Start Manual Understanding the Flasher Screen From the Home screen, select Flasher to change the range, gain, beam, and sonar settings, as a ring that starts at the top and progresses clockwise. The colors...
Quick Start Manual
Page 11
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 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.
Quick Start Manual
Page 12
All sonar transducers display depth. To reset the odometer to zero: From the Home screen, select Numbers > MENU > Reset Odometer > Yes. 10 Fishfinder 300C Quick Start Manual Temperature-capable transducers display the Water Temp field. Speed-capable transducers or separate speed wheels display the Water Speed and Odometer fields. The information shown is determined by the capabilities of a graph. Understanding the Numbers Screen The Numbers screen displays numeric information instead of your transducer.
All sonar transducers display depth. To reset the odometer to zero: From the Home screen, select Numbers > MENU > Reset Odometer > Yes. 10 Fishfinder 300C Quick Start Manual Temperature-capable transducers display the Water Temp field. Speed-capable transducers or separate speed wheels display the Water Speed and Odometer fields. The information shown is determined by the capabilities of a graph. Understanding the Numbers Screen The Numbers screen displays numeric information instead of your transducer.
Quick Start Manual
Page 15
...to sound during alarms (page 12) or when keys are pressed. Display To adjust the backlight or switch between day and night mode. Fishfinder 300C Quick Start Manual 13 If you select On, press up or down on the ROCKER to select the temperature, then press SELECT. •... > Sonar. Select Off, Alarms Only, or On (Keys & Alarms). • Simulator-allows you select On, press up or down on the ROCKER to sound when the battery reaches a user-determined minimum voltage. If you to practice with or without a transducer. • NMEA Output-allows the Fishfinder 300C to transmit...
...to sound during alarms (page 12) or when keys are pressed. Display To adjust the backlight or switch between day and night mode. Fishfinder 300C Quick Start Manual 13 If you select On, press up or down on the ROCKER to select the temperature, then press SELECT. •... > Sonar. Select Off, Alarms Only, or On (Keys & Alarms). • Simulator-allows you select On, press up or down on the ROCKER to sound when the battery reaches a user-determined minimum voltage. If you to practice with or without a transducer. • NMEA Output-allows the Fishfinder 300C to transmit...
Quick Start Manual
Page 17
...186;F (from -15ºC to -peak) • Sonar Voltage Range: 10-20 Vdc • Frequency: 80/200 kHz • Depth: 900 feet (275 meters) (Depth capacity is dependent on water salinity, bottom type, and other water conditions.) Fishfinder 300C Quick Start Manual 15 to 55ºC) • Power ...Source: 10-33 Vdc • Fuse: AGC/3AG - 3.0 A Sonar • Power: 150 W (RMS), 1,200 W (peak-
...186;F (from -15ºC to -peak) • Sonar Voltage Range: 10-20 Vdc • Frequency: 80/200 kHz • Depth: 900 feet (275 meters) (Depth capacity is dependent on water salinity, bottom type, and other water conditions.) Fishfinder 300C Quick Start Manual 15 to 55ºC) • Power ...Source: 10-33 Vdc • Fuse: AGC/3AG - 3.0 A Sonar • Power: 150 W (RMS), 1,200 W (peak-
Quick Start Manual
Page 18
... input voltage is not moving fast enough for the speed wheel to 33 volts or less. Language-select the on sonar screens. 4. Select OK. To initialize your Fishfinder 300C on -screen message system to alert you were viewing. When a message appears, press SELECT to acknowledge the message ... On). Battery Alarm-battery voltage has fallen below the value entered in 10 seconds. Alarms and Messages The Fishfinder 300C uses an on , you must also be changed later using either the Sonar Setup screen (Color Scheme) or the Configure screen (Language and Units). Can't Read Voltages That High, ...
... input voltage is not moving fast enough for the speed wheel to 33 volts or less. Language-select the on sonar screens. 4. Select OK. To initialize your Fishfinder 300C on -screen message system to alert you were viewing. When a message appears, press SELECT to acknowledge the message ... On). Battery Alarm-battery voltage has fallen below the value entered in 10 seconds. Alarms and Messages The Fishfinder 300C uses an on , you must also be changed later using either the Sonar Setup screen (Color Scheme) or the Configure screen (Language and Units). Can't Read Voltages That High, ...
Quick Start Manual
Page 19
...). Contact your dealer or Garmin Product Support to restore the sonar. Deep-Water Alarm-the deep-water alarm depth (Configure > Alarms > Deep Water > On) has been reached. Transducer Disconnected, Sonar Turned Off-the transducer or cable are not attached or need repair. If the transducer cable is removed while the Fishfinder 300C is detected. Can...
...). Contact your dealer or Garmin Product Support to restore the sonar. Deep-Water Alarm-the deep-water alarm depth (Configure > Alarms > Deep Water > On) has been reached. Transducer Disconnected, Sonar Turned Off-the transducer or cable are not attached or need repair. If the transducer cable is removed while the Fishfinder 300C is detected. Can...
