Memorex RX 1 Smart Manual de Instalação descarregar pdf (Página 56)

54 | Keypad & Display Description

Plot

The PLOT1 screen displays graphic information around the boat at your present position.

The boat always remains in the center of the screen.

If you define some of your navigation markers in the Waypoint Bank with a symbol in the

first character position, the navigation symbol will show up in relation to your planned

course on the plot screen, just as it does in the NAV1 Panorama screen. In addition

to the graphic details provided by the CDU, the Plot screens provide basic navigation

information, zoom-in/out capability and scaling factors for the display from around 10

to 20 meters, depending on your latitude, out to 128 nautical miles. You will find these

feature very helpful in many ways, and we will provide you with a couple of ideas on how

to make good use of the PLOT function after the screen description which follows.

The Plot screens do not show your route and cross-track error lines when in Great Circle

Navigation mode.

The following CFG menus directly impact the PLOT functions:

Navigation - sets a variety of important functions and alarms.

•

Rhumb Line or Great Circle navigation

Range units: nautical miles, nautical miles and meters (when under 1,000 meters),

nautical miles and feet (when under 1,000 feet), statute miles, statute miles and

meters (when under 1,000 meters), statute miles and feet (when under 1,000

feet), kilometers, or kilometers and meters (when under 1,000 meters)

Waypoint Pass Criterion and distance

Waypoint Approach distance

Autopilot alarm control

Cross-track error limits

COG / SOG Filter Settings. •

Take a quick look at both screens. They both have a graphical area to the right, and a

text data area to the left.

In the PLOT screen the UP arrow key is the Zoom-out key; the DOWN arrow key is the

Zoom-In key. Each time you depress one of these arrow keys, you scale by one-half or

by double the graphical area. If you look to the top of the screen, just right of the page

number, you will see a number in a white square. This is the scale of the graphic window

based on the units selected in CFG1 Navigation. Now look along the left and right edge

of the graphic window, you will see some vertical black and white dash marks (these are

harder to see at small scales like 1 and 2 or at large values such as 64 or 128). Each solid

dash mark represents 1 nautical mile. A broken dash mark indicates 1/100th of a nautical

mile when you are zoomed in at low scale. You will find your bearing and range to the next

waypoint.

The CFG1 Navigation menu allows you to display fractions of the major unit (nautical miles,

statute miles, or kilometers) ranges less than 1000 in alternate units of feet or meters.

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Memorex RX 1 Smart Manual de Instalação Página 56