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Viewing & Scrolling Through NAVTEX Messages
To view NAVTEX messages you must first select the NAVTEX Mode.
Use the right hand soft key 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 any
previously received messages that already show on the display.
UP & DOWN keys scroll line by line
LEFT & RIGHT keys 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 and the sort order applied (see
following sections for details).
Message Storage
All received NAVTEX messages are stored in the NAV6 regardless of whether you
have them selected for viewing or not. The memory size provides enough storage for
all messages received in any 72 hour period (in fact much longer). You can even
change your mind later and view a message that was received previously but not
displayed at the time by simply changing a 'filter preset' , message 'filter setting' or
'age limit'.
Messages to be displayed are selected from the NAV6 memory by applying a 'filter
preset' and message age limit setting.
After using the NAV6 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. The ICS NAV6
stores only the best version of a message. It even attempts to repair corrupted
messages by comparing copies of the same message!
Filter Presets
The messages currently available for viewing are selected from all the messages
stored in memory by applying 'Filter View' presets’.
Filter page settings are used to define which messages are in view and which
messages are hidden from view.
To view the 'active' filter preset number 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 number is the current 'active' filter preset number.
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