Garmin 340c Manuale Utente

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•  Tools—controls the appearance of useful sonar tools. The 

following options are available:

  A-scope—when you turn on A-scope, a vertical flasher 

bar appears on the far-right side of the screen. This flasher 

indicates structure and bottom returns much the same as the 

Flasher Page. The horizontal width of the A-scope signal 

indicates the strength of the signal. 

  Color bar—shows a gradient scale of the current Color 

  Temp Graph—appears only if you have a temperature-

capable transducer. This setting toggles the temperature 

graph along the bottom of a Sonar Page on or off. When on, 

the temperature graph matches the scrolling data.

•   Split When Zoomed—splits the screen when you use the 

Zoom option. If you turn on Zoom, then this setting splits the 

screen. If Zoom is Off and you turn on Split When Zoomed, 

the last used zoom level is used on the screen.

•  Swap Split—available on the Split Sonar Page when 

Frequency is set to dual. This switches on which side the 

frequencies appear.

The top-left corner of the screen contains configurable data fields 

for the Sonar Pages. You can view basic or advanced data for these 

data fields. By default, the Basic configuration shows the depth, 

water temperature, and speed (depending on the Graph tab settings 

and the type of transducer or sensors attached). The Advanced 

configuration shows a larger, configurable data field with a white 

background. The Advanced Data Setup Menu allows you to specify 

the type of data shown and either a Narrow (small) or Wide 

(larger) size format for each data field.