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Upper and Lower Limits
See the entry in this section for Depth Range - Upper and Lower Lim-
its.
Zoom & Zoom Bar
"Zooming" the display is a common, fast and easy method used to en-
large small detail, fish signals and the bottom with its associated struc-
ture. This unit lets you zoom the display quickly and easily by pressing
the Zoom In key,
ZIN.
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 ech-
oes 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.
Sonar Page with a normal view (left). The second image (center) is
showing the same view zoomed 2X. The third image (right) is showing
the same view zoomed 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 71)
and turn on 2X or 4X Zoom. Then, simply press ↑
↓ to pan up and down
the water column.