Garmin 340c Manual

A SERVICE OF

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Fishnder 340C Owner’s Manual 

usIng the fIshfInder 340c > testIng the InstAllAtIon

usInG the fIshfInder 340c

If you are turning on your Fishnder 340C for the rst time, use the

following procedure. If you have already turned on your Fishnder,

and you are just familiarizing yourself with the basic functions,

please go to “Learning the Basic Functions” on this page.

To start your Fishnder for the rst time:

1. PressandholdthePower/Backlight key until the

Fishnderbeeps.Itshouldturnon.IftheFishnderfailsto

turnon,verifythatthewiringadapterisproperlyconnected

inthebackoftheFishnder,theRedandBlackwiresare

connectedtothecorrectpolarity,andthatthe3-Ampfuseis

installedandnotblown.IftheFishnderisconnectedtoa

powersupplythatexceedssafeoperatinglevels,a“Battery

voltageistoohigh”warningappearsandtheFishnder

turnsoff.IftheFishnderdoesnotdetectatransducer,it

automaticallyentersSimulatormode(seepage 42).

2. WhentheFishnderdetectsatransduceratinitialstart up,

aSelectTransducerTypewindowappears.PressENTER.

3. Use the ROCKER toselectyourtransducertype,andpress

ENTER.

4. Press QUIT to return to the Sonar Page.

Learning the Basic Functions

To turn the Fishnder on or off:

 PressandholdPower/BacklighttoturntheFishnderon

or off.

To change the software language on the screen:

1. PressandholdADJ/MENU. The Main Menu appears.

2. Use the ROCKER to select the System tab. Then use

the ROCKER again to select the Languageeld.Press

ENTER.

3. Pressupordown on the ROCKER to select a language.

Press ENTER.AlltextontheFishnderappearsinthe

chosen language.

To change the backlight setting:

1. PressandreleasePower/Backlight to show the backlight

slider.Thebacklightsliderdisappearswhenidlefor

20seconds.

2. Pressupordown on the ROCKER to change the user-set

backlightsetting.PressandreleasePower/Backlight to

toggle the backlight setting between maximum, user-set,

andminimumbrightnesslevels.

3. Press ENTER to return to the previous page.