JRC JLR-20, Instruction Manual

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4-1
Section 4 Display
Each screen is detailed in this section.
4.1 Display Screen
Pressing the key rotates screens. The unit displays the compass screen immediately
after turn on.
There are varieties of Compass Screens, Navigation Screens, and Turn Rate screens, which can
be cycled with the aid of and keys.
Compass Screen
The heading of the bow of the ship is graphically
displayed.
4 types of displays can be cycled using the
and keys.
Bow Heading Screen
Several varieties of data are displayed in numerical
form.
Navigation Screen
The latitude and longitude fixed by GPS are
displayed
Cycling between 3 and 4 decimals places can be
performed using the and keys.
Turn Rate Screen
Ship’s rate of turn is displayed.
Graphic and numerical display can be cycled
between using the and keys.
Water Speed / Ground Speed Screen
The bow and stern speeds, port and starboard
speeds, and bearing are displayed
(STW, CURRENT, and DEPTH are displayed
when the tide current calculator is connected)