Raymarine GPS navigation User Manual download pdf (Page 21)

one degree of longitude. For longitudes of less than 100 degrees, begin the

entry with

“0”.

After you press the

mjey,

check to see that the direction symbol “W”

is correctly indicated to the left of your longitude entry.

“E”

is displayed,

press the

\r/wl

softkey

to change the symbol to

fgW'T

or vice versa. If the

direction is correct,

pres@CKJ.

Example: 0,7,1,1,4,5,0,

mJ=lfor

W 71’ 14.50’

If you make any mistakes while entering your longitude, press

the-1

key and retype the entry. Then

press([to

complete the estimated

position entry.

When-1

is pressed to finish your longitude entry, the estimated

LAT/LON entry is complete and the display will return to the Auto Start-up

sequence at the Status page for sensor in use.

3.4.3 The Status Page

The STATUS screens show the condition of

the acquisition and tracking of signals for the

SIGNALSTATUS LORAN

sensor in use.

EST

In normal tracking operation for loran, the

flA@

GRI chain and secondary signals received are

indicated in the status box. The most important

ECD

information are the status numbers to the right

PRESS CLEAR TO EXIT

of the

SNR

characters. These numbers show the

progress of the acquisition program towards signal lock-on. When 8’s are

indicated for the Master and selected Secondaries, the loran is “Locked-on”

and tracking the loran signals. At that point the screen automatically will

switch to the Position screen and navigation is available.

In normal tracking operation for GPS, there

is only ONE important indicator indicating

that the GPS is “Locked-on” and tracking the

satellite signals. That indicator is when the

satellite ID number becomes a reversed

“Block” character. When four or more signals

are in this state, the screen will switch to the

Position screen and navigation is now avail-

able.

PRESS CLEAR TO EXIT

OPERATION 3-7

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Raymarine GPS navigation User Manual Page 21

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