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Pressing
ZIN once doubles the size (2X) of all echoes on the screen.
Pressing it again quadruples the size of the echoes (4X). The zoom bar
on the far right side of the screen shows which echoes will be displayed
on the screen when the
ZIN key is pressed.
For example, pressing the
ZIN key once will enable a 2X zoom which will
show all echoes that are between the top and bottom of the 2X zoom bar.
Pressing the key again will give a 4X zoom and only the echoes between
the top and bottom of the 4X bar will show on the screen.
Press the Zoom Out key,
ZOUT, to return the display to the normal mode.
At left, Sonar Page, normal view. Center, same view zoomed to 2X.
Right, same view zoomed to 4X
Zoom Pan
Your unit has the handy ability to quickly zoom in on any portion of the
water column with just the touch of an arrow key. The Zoom Pan feature
lets you rapidly move the zoomed area up and down to different depths.
By "pointing" your zoom at different portions of the chart as it scrolls,
you can get a good, close-up look at structure or cover below you.
To use Zoom Pan, switch to a manual depth Range setting (see page 51)
and turn on 2X or 4X Zoom. Then, simply press ↑ or
↓ to pan up and
down the water column.