Eagle Electronics FISHMARK 320 - Manual (Page 80)

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In the illustration at left, Surface Clarity is turned off.
The right view shows Surface Clarity set at High.
Units of Measure
This menu sets the speed and
distance (statute or nautical miles, me-
ters), depth (feet, fathoms, or meters)
and temperature (degrees Fahrenheit
or Celsius). To change the units:
Press MENU | MENU |
↓ to
U NITS OF
M EASURE
| ENT .
To set Speed/Distance Unit of Measure: Press
↑ or ↓ to change the
Speed/Distance, then press ENT. After the option is set, press
EXIT|EXIT|EXIT to return to the page display.
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
Surface clutter