Garmin 190-01230-10 用户手册

Using Charts 

Current direction indicators appear as arrows on the chart. The 

direction of each arrow indicates the direction of the current at 

a specific location on the chart. The color of the current arrow 

indicates the range of speed for the current at that location. When 

you move the cursor over the current direction indicator, the specific 

current speed at the location appears above the direction indicator.

Yellow

0 to 1 knot

Orange

1 to 2 knots

Red

2 or more knots

BlueChart g2 Vision contains detailed road and points of interest 

(POI) data, which includes highly detailed coastal roads and 

POIs such as restaurants, lodging, local attractions and more. For 

instructions on searching for, and navigating to, these POIs, see the 

“Where To?” section beginning on 

Automatic Guidance automatically creates and suggests routes based 

on available BlueChart g2 Vision chart information. See 

instructions on setting up Automatic Guidance for your boat.

If Automatic Guidance must calculate a route close to potentially 

dangerous points, those points are outlined in red, and a message 

appears informing you that there are potentially unsafe areas along 

the calculated route.
The “Where To?” section on 

 has additional information on 

how to use Automatic Guidance.