Memorex RX 1 Smart Manual de Instalação descarregar pdf (Página 104)

Simrad MX500 | 103

GPS

Several GPS and DGPS screens are available under the

GPS function key. The GPS/DGPS functions are highly

interactive with these CFG1 menu selections:

GPS • - sets the lowest elevation at which a satellite will

be tracked.

DGPS • - sets the internal beacon receiver to Auto,

DGPS only, or Off.

GPS1 - GPS Status Screen

There are two windows in this display. The left window

has twelve graphic Power Bars representing the twelve

GPS receiver channels of the MX421 antenna. The PRN

(PseudoRandom Number) under each power bar repre-

sents the satellite ID number assigned or being tracked

on that channel. The power bars indicate the valid

receiver power range from 30 to 50. Any portion of the

power bar which is filled in, indicates that a satellite is

being tracked on that channel. If a power bar is empty,

but a PRN number is labeled under the power bar, then

the identified satellite is not currently being tracked.

The graphic on the right hand side of the screen indicates

where the satellites are relative to your present posi-

tion. The outer ring represents 0° elevation. The inner

ring represents 45° elevation. The + sign represents 90°

elevation and your present position. Under normal condi-

tions, the best satellites to track are usually between 15

and 75 degrees in elevation.

GPS 3 through GPS 4 screens are skipped under normal

operation.

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Memorex RX 1 Smart Manual de Instalação Página 104