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Fishfinder 300C Quick Start Manual

Understanding the Flasher 

Screen

From the Home screen, select 

Flasher

 to 

display sonar information on a circular depth 

scale. The scale indicates what is beneath 

your boat. It is organized as a ring that starts 

at the top and progresses clockwise. Sonar 

information flashes on the ring when it is 

received at the depth indicated. The colors 

indicate different strengths of the sonar 

return. (When using the white default color 

scheme, red indicates the strongest return, 

blue indicates the weakest return, and white 

indicates no return.) 

Battery voltage

Water depth at 

current location

Depth of sonar 

readings

Press 

MENU

 to change the range, gain, 

beam, and sonar settings, as described 

starting on 

page 5

.

Summary of Contents for 190-00864-01

Page 1: ...Fishfinder 300C quick start manual...

Page 2: ...rovided that such electronic or printed copy of this manual must contain the complete text of this copyright notice and provided further that any unauthorized commercial distribution of this manual or...

Page 3: ...highlight the item and then press SELECT Small arrows in the text indicate that you should select each item in order For example if you see select MENU Zoom press the MENU button then press the up or...

Page 4: ...ght on the ROCKER SELECT To adjust the day night mode 1 Press and release the POWER key 2 Press down on the ROCKER to highlight the day night bar 3 Press left or right on the ROCKER SELECT Using Simul...

Page 5: ...ted items and confirm on screen messages MENU Press to access additional settings or to return to the previous screen Understanding the Home Screen Full Screen displays a full screen graph of the sona...

Page 6: ...Full Screen From the Home screen select Full Screen to view a full screen graph of the sonar readings The range scale along the right side of the screen displays the depth of detected objects as the...

Page 7: ...select Full Screen MENU Gain 2 Select Manual Gain or Auto Gain If you select Manual Gain press right or left on the ROCKER to highlight the gain then press SELECT To see more detail increase the gain...

Page 8: ...t Full Screen MENU Sonar Setup Color Scheme select White or Blue This affects the background on sonar screens Fish Symbols sets how the sonar interprets suspended targets Suspended targets appear as s...

Page 9: ...om of the boat keel instead of from the transducer Enter a positive number to offset for a keel You can enter a negative number to compensate for a large vessel that may draw several feet of water Use...

Page 10: ...resses clockwise Sonar information flashes on the ring when it is received at the depth indicated The colors indicate different strengths of the sonar return When using the white default color scheme...

Page 11: ...lect Split Zoom to view the full sonar data and a zoomed portion on the same screen Zoomed depth scale Transducer mode Depth temperature water speed and battery voltage Range Zoom window Press MENU to...

Page 12: ...mation shown is determined by the capabilities of your transducer All sonar transducers display depth Temperature capable transducers display the Water Temp field Speed capable transducers or separate...

Page 13: ...as information is received Temperature and depth Time elapsed Temperature range Duration To adjust the time scale of the graph 1 From the Home screen select Temp Log MENU Duration 2 Press up or down o...

Page 14: ...than the specified value If you select On press up or down on the ROCKER to select the minimum depth then press SELECT Deep Water sets an alarm to sound when the depth is greater than the specified v...

Page 15: ...s SELECT Display To adjust the backlight or switch between day and night modes From the Home screen select Configure Display Backlight press left or right on the ROCKER Day Night Mode press down on th...

Page 16: ...etes all adjusted settings and turns the Fishfinder 300C off When you power the Fishfinder 300C back on you must reconfigure the initial settings page 16 Units To change the units of measure From the...

Page 17: ...e brightness 320 240 pixels capable of 4 096 colors Case Fully gasketed high impact plastic alloy waterproof to IEC 529 IPX7 standards Temperature Range From 5 F to 131 F from 15 C to 55 C Power Sourc...

Page 18: ...und on sonar screens 4 Select OK Alarms and Messages The Fishfinder 300C uses an on screen message system to alert you to operating characteristics When a message appears press SELECT to acknowledge t...

Page 19: ...h is detected This alarm does not show a message banner Shallow WaterAlarm the shallow water alarm depth Configure Alarms Shallow Water On has been reached Simulating Operation the Fishfinder 300C is...

Page 20: ...contact Garmin USA by phone at 913 397 8200 or 800 800 1020 In the UK contact Garmin Europe Ltd by phone at 0808 2380000 In Europe go to www garmin com support and click Contact Support for in country...

Page 21: ...edge that the Software is the property of Garmin and is protected under the United States of America copyright laws and international copyright treaties You further acknowledge that the structure orga...

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Page 24: ...2008 Garmin Ltd or its subsidiaries Garmin International Inc 1200 East 151st Street Olathe Kansas 66062 USA Garmin Europe Ltd Liberty House Hounsdown Business Park Southampton Hampshire SO40 9RB UK Ga...

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