1.9 Chart Scale

The chart scale can be adjusted with the [ZOOM IN] and [ZOOM OUT] keys. Note that the [ZOOM IN] key shrinks the picture, and the [ZOOM OUT] key “blows up” the picture. With a smaller range, you may find that the track appears in tiers.

The horizontal range of the display in nautical miles appears at the top right-hand corner of the Data Display. Whenever the scale is changed the new range appears momentarily at the screen center.

Horizontal range (123.4 NM)

DATA DISPLAY (2)

 

 

 

 

 

 

34° 44.258’ N

340.5°

123.4NM

134° 40.719’ E

341.2°

GPS

1.2

 

 

0’

10"

123.4NM

Horizontal range

Figure 1-9 Location of chart scale indications

1.10 Display Brilliance and Key Backlighting

The [BRILL ECONO] key adjusts display screen brilliance and key- board backlighting in seven levels including off.

1-7

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Furuno GP-3300, GD-3300 manual Chart Scale, Display Brilliance and Key Backlighting