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Nav6 Plus Navtex System User Guide

Viewing & Scrolling Through Navtex Messages

To view Navtex messages you must first select the Navtex Mode.

Use the right hand softkey to change modes until ‘Navtex Mode’ is

visible in the right hand softkey menu box. You can now use the

UP,

DOWN, LEFT & RIGHT keys to scroll through the displayed

messages.

UP & DOWN scroll line by line, whereas LEFT & RIGHT

scroll message by message.

The messages currently displayed are a sub-set of all the messages

stored in memory. Whether you can see a particular message or not

depends upon the current station selection, message filter and age

limit settings (see following sections for details).

Message Storage

All received NAVTEX messages are stored in memory regardless of

whether you have them selected for viewing or not. The Nav6plus

has lots of memory so you will easily have enough storage for all

messages received in any 72 hour period. The messages displayed

are selected from the Nav6plus’ memory by applying the current

message filter preset & age limit settings. This enables you to

change your mind later about your message display options. This

means you will still be able to view messages that were received

previously, but were not selected for display at the time, by changing

the current message filter or age setting.

After using the Nav6plus for a while you may notice that if you

receive a particular message more than once there will only ever be

one copy in view. If a message has been received more than once

the Nav6plus will store only the best version. It even attempts to

repair corrupted messages using comparing copies of the same

message!

Filter Presets

The messages currently available for viewing on screen are selected

from the messages stored in memory by applying ‘filter presets’.

To see the current selected filter presets go to [Navtex Mode⇒

⇒⇒

⇒Filter

View]. You will notice that the left hand softkey is labelled ‘Preset’

and a number from 1 to 5 is visible. This is the currently selected

filter preset number for the this ‘filter page’. Each of the 4 filter pages

(518 Types, 518 Stns, 490 Types & 490 Stns) has its own 5 presets.

In any one of the filter pages press

PRESET to change the preset

number. You will notice that the settings on the screen change with

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 59 60

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