Humminbird Wide Eye - Manual (Page 27)

The zoom range is determined by the depth range in use when zoom is enabled. In shallow
water, when the 15' or 30' depth range is used, the zoom range will be 7-1/2'. If the 60' or 120'
depth range is in use, the zoom range will be 15', if a 180' to 480' depth range is used, the zoom
range will be 30', and if the 600' range is in use, the zoom range will be 60'.
To enable zoom, adjust the depth of the zoom range first using
the UP and DOWN Arrow buttons until the upper and lower limit
numbers correspond with the range you wish to view, then
enable Zoom using the ENTER button.
Once you are in Zoom, you may still adjust the depth of the
zoom range by using the UP and DOWN Arrow buttons. The
Zoom menu will not appear when an adjustment is made unless
MENU is pressed.
The digital depth readout will continue to track the bottom even
when Zoom is enabled.
Bottom Lock is a function of Zoom, except the depth adjustment
is controlled automatically to view the area immediately above
the bottom. This is especially useful if you are looking for
structure or minor variations in terrain in areas of relatively flat
bottom terrain. To enable Bottom Lock, press ENTER until the BL is highlighted. The Zoom range
will be controlled by the current depth range, as in Zoom, and will be indicated on the Zoom
menu.
Bottom Alarm
The Wide Eye contains an audible alarm to warn you of shallow water depths. This alarm is
adjustable from 2' to 99' of depth. To enable the alarm, simply adjust the alarm depth using the
UP and DOWN arrow buttons, and press ENTER. Whenever the depth of the water beneath your
boat is equal to or less than the selected alarm depth, a continuous alarm will sound.
To disable the alarm, either move to deeper water, or select the Bottom Alarm menu, and press
ENTER to turn the alarm off.