27
R
ANGE
S
IZE
menu. Use the arrow keys to select a desired depth range.
When you're finished, press
PWR
to clear the menu from the display.
This unit has the following depth ranges: 10, 20, 40, 80, 160, 320 and
640 feet.
Range Size menu with manual depth range set to 40 feet. This in effect
"zooms" or enlarges the display to show the water column from 0 to 40
feet deep. In this figure, the boat is in 57.5 feet of water, but only the
top 40 feet of the water column is shown on the screen.
ZOOM
The zoom feature enlarges all images on the screen by
doubling the size of the echoes (a 2X zoom). For example, if
the current auto depth range is 0 to 60 feet, Zoom will show
an enlarged view of the water column from 30 feet to 60 feet,
always keeping the bottom in view.
To zoom the display, press the
MENU
key until the
Z
OOM
menu appears.
Press the
UP ARROW
key to select
O
N
, then press
PWR
to clear the
menu.
You can tell when the display is in Zoom mode because the top depth
scale on the left of the screen will no longer show zero. For example, if
the current range is 0 to 80 feet with zoom off, switching to zoom would
enlarge the water column from 40 feet to 80 feet. The number 40 (instead
of zero) would appear at the top of the depth range scale.
To turn the zoom feature off, press the
MENU
key until the
Z
OOM
menu
appears. Press the
DOWN ARROW
key to select
O
FF
, then press
PWR
to
clear the menu. The top of the depth range scale returns to zero.
NOTE:
Using the Zoom command while in
auto
depth Range Zoom mode will
always enlarge the echoes near the bottom, because auto Range
always keeps the bottom displayed in the lower portion of the screen.
