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Fishfinder 400C Owner’s Manual 

B

asIc

 o

peratIon

Understanding the Numbers Screen

The Numbers screen shows data fields populated by important 

numeric information instead of a graph. The data fields you see are 

determined by the capabilities of your transducer.
On the Home screen, highlight 

Numbers

, and press 

SElECt

.

All transducers show depth. If you are using a temperature-capable 

transducer, the Water Temp field appears. If you are using a speed-

capable transducer, the Water Speed and Odometer fields appear.

Understanding the Temp Log Screen

If you are using a temperature-capable transducer, the Temp Log 

screen keeps a graphic log of temperature readings over time. The 

current temperature and depth are shown in the top left corner.
On the Home screen, highlight 

temp log

, and press 

SElECt

.

Temp 

range

Time

elapsed

Temp 

and 

depth

The temperature appears along the right side and the time 

elapsed appears along the bottom. The graph scrolls to the left as 

information is received.

Summary of Contents for Colorado 400c

Page 1: ...Fishfinder 400C owner s manual...

Page 2: ...lectronic storage medium to be viewed and to print one copy of this manual or of any revision hereto provided that such electronic or printed copy of this manual must contain the complete text of this...

Page 3: ...o the Home screen Press MENU from any of the main screens to access advanced settings Press and release the POWER key to adjust the display settings Quick Links Installing the Fishfinder 400C page 1 M...

Page 4: ...00C Keypad 15 Understanding the Home Screen 16 Understanding the Full Screen 17 Understanding the Split Zoom Screen 17 Understanding the Flasher Screen 18 Understanding the Split Freq Screen 18 Unders...

Page 5: ...ocumentation Survey Go to www garmin com contactUs and click Product Documentation Survey Caring for the Fishfinder 400C The case is constructed of high quality materials and does not require user mai...

Page 6: ...its packaging and its components contain chemicals known to the State of California to cause cancer birth defects or reproductive harm This Notice is provided in accordance with California s Proposit...

Page 7: ...ct a location for the fishfinder 2 Mount the fishfinder 3 Install the transducer 4 Install the wiring harness 5 Test the installation Step 1 Select a Location for the Fishfinder Consider the following...

Page 8: ...case is suitable for mounting in exposed locations or at the nav station The Fishfinder 400C comes with a tilt swivel mounting bracket that can be used for console or overhead mounting Mounting the B...

Page 9: ...mount bracket over the swivel base and secure it with the short knob Installing the Fishfinder 400C on the Mounting Bracket To install the unit on the mounting bracket 1 Align the slot on the back of...

Page 10: ...nstructions for some popular transducers Detailed installation instructions are provided in the transducer kits Some transducers might have to be installed by a professional marine installer Assemblin...

Page 11: ...ling motor propeller 4 Wrap the two ends of the cable tie around the motor body Place the pointed end of the cable tie through the fastener hole on the opposite end and pull it through until it is snu...

Page 12: ...RADE THE BOAT S PERFORMANCE AND DAMAGE THE PROP AKE SURE THAT THE TRANSDUCER IS BELOW WATER LEVEL WHEN THE BOAT IS ON PLANE AT HIGH SPEED PPLY MARINE SEALANT TO ALL SCREW THREADS TO PREVENT WATER FROM...

Page 13: ...nt The transducer must be in clean non turbulent water for optimal performance Tool List not included drill 3 8 wrench or socket 5 32 and 1 8 drill bits masking tape 2 Phillips screwdriver and marine...

Page 14: ...hulls or 3 8 below aluminum hulls Keep it parallel with the water line Shoot Thru Hull Installation To avoid drilling a hole to mount a thru hull transducer a transducer can be secured with epoxy ins...

Page 15: ...following illustration 2 Temporarily seal the test device to the hull with caulking or RTV sealer and fill with water or light mineral oil 3 Place the transducer in the water pointed directly at the...

Page 16: ...e Fishfinder 400C maximum input voltage is 35 Volts DC Do not exceed this voltage because this can damage the Fishfinder 400C and void the warranty Note During a typical installation use only the Red...

Page 17: ...ing the Fishfinder 400C CANet H CANet L DC Power Source Fishfinder 400C Wiring Harness PIN 8 Black Ground PIN 13 Red DC Positive PIN 7 Yellow Alarm PIN 12 White CANet H PIN 16 Green CANet L PIN 18 Blu...

Page 18: ...or NMEA Interfacing with NMEA The Fishfinder 400C allows for NMEA 0183 Version 3 01 output with a compatible GPS or navigation device You must set NMEA Output On to send data page 23 The SDDBT SDDPT S...

Page 19: ...is possible to perform some checks with the boat trailered the boat should be in the water to properly test the installation To configure your Fishfinder 400C for the first time Select a language Sele...

Page 20: ...boat s speed while observing the sonar s operation If the sonar signal is suddenly lost or the bottom return is severely degraded note the speed at which this occurs 2 Return the boat to the speed at...

Page 21: ...is connected Use Simulator Mode to practice and learn how to use your Fishfinder 400C Caution When in Simulator Mode the depth temperature and speed information are simulated They do not represent the...

Page 22: ...lasher to indicate the transducer s sonar readings as an alternative to the linear graph page 18 Split Freq Dual Frequency transducer only Opens a split screen that uses the full capability of the dua...

Page 23: ...l Screen and press SELECT Depth Temperature Speed Range Bottom Suspended targets Transducer mode Understanding the Split Zoom Screen Use the Split Zoom screen to view the full sonar data from the grap...

Page 24: ...ring when it is received at the depth indicated on the inside ring Like the regular graph The colors indicate different strengths of the sonar return On the Home screen highlight Flasher and press SEL...

Page 25: ...cer the Water Temp field appears If you are using a speed capable transducer the Water Speed and Odometer fields appear Understanding the Temp Log Screen If you are using a temperature capable transdu...

Page 26: ...ure and press SELECT Alarms set alarms to alert you of various events See page 21 Display customize display settings including backlight and Day Night mode See page 21 Sonar customize sonar settings S...

Page 27: ...cts a suspended target of the specified symbols Water Temp set an alarm to sound when the transducer reports a temperature that is 2 F 1 1 C above or below the specified temperature Battery set an ala...

Page 28: ...no background information shown The target depth of each symbol is indicated Scroll Speed adjust the rate at which the sonar scrolls from right to left Ultrascroll Fast Medium or Slow If you have a s...

Page 29: ...software version and your unit s unique internal unit ID Factory Settings reset the Fishfinder 400C to the factory settings You are prompted to confirm your choice to restore all factory settings Choo...

Page 30: ...Highlight OK and press SELECT Note If the boat is not moving fast enough or the speed sensor is not registering a speed a Speed Too Low message appears Highlight OK press SELECT and safely increase bo...

Page 31: ...adjust the Gain To see more detail increase the Gain If there is too much detail or the screen is cluttered decrease the Gain Beam when using a Dual Beam transducer select a wide or narrow beam Freque...

Page 32: ...the Depth Line press up or down on the ROCKER to move the line A Scope Dual Frequency Transducer vertical flasher that appears along the right side of the screen The A Scope indicates structure and bo...

Page 33: ...AGC 3AG 3 0 Amp Sonar Power Dual Frequency 500 Watts RMS 4 000 Watts peak to peak Dual Beam 400 Watts RMS 3 200 Watts peak to peak Frequency 50 200 kHz dual frequency 80 200 kHz dual beam Depth 1 500...

Page 34: ...the unit automatically turns off Deep Water Alarm the Deep Water Alarm depth has been reached Drift Alarm the depth has changed by the amount of the Drift Alarm value Fish Alarm an icon appears and a...

Page 35: ...local Garmin authorized dealer or call Garmin Product Support for shipping instructions and an RMA tracking number Securely pack the unit and a copy of the original sales receipt which is required as...

Page 36: ...vice the Software in binary executable form in the normal operation of the product Title ownership rights and intellectual property rights in and to the Software remain in Garmin You acknowledge that...

Page 37: ...ings restoring 23 fish symbols 22 flasher 18 26 flush mount 2 27 frequency 25 full screen 17 fuse 10 27 G gain 25 GPS wiring to a 12 H HOME key 15 Home screen 16 I important information iv input volta...

Page 38: ...22 specifications 27 speed sensor 24 split frequency screen 18 split zoom screen 17 surface mounting the fishfinder 2 surface noise 22 suspended targets 22 swivel base 3 swivel mount bracket 3 system...

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Page 40: ...w garmin com 2006 2007 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 Hampsh...

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