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Garmin GPSMAP 4000 User Manual

Page 51

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GPSMAP 4000 Series Owner’s Manual

4

u

SInG

S

onar

U

Sin

G

S

onar

magnified area.
4x Zoom—four times the magnification. Select

Up

,

Down

, or

Auto

to set the depth range of the

magnified area.
Bottom Lock—locks the zoom window to the bottom. Select

Up

,

Down

, or

Auto

to set the

depth range of the magnified area.

Depth Line—quickly reference a specific depth (

On

or

Off

). When

On

is selected, press up or

down on the

ROCKER

to set the depth of the reference line.

A-Scope—creates a vertical flasher along the right side of the screen (

On

or

Off

).

Sonar Setup—opens the Sonar Setup screen. See

page 46

.