mcmurdo NAV-7, Руководство пользователя и инструкция по установке

Страница: 15 / 52

Page 15
NAVTEX message headers
At the beginning of each NAVTEX message there is a message header which
identifies the source and nature of message, time and date of reception, received
frequency and error rate.
For example:
KA59 14:16 19-Jul 518 0%
In the Message Index display only the message identifier is visible.
It is recommended that the User or Installer takes time to set up the NAV-7 to filter out
those stations and message categories that are not required. In this way the display is
kept uncluttered; only those messages that are required will be visible.
Messages are selected for display by the NAV-7’s software comparing the Station and
Message Category information encoded into the message identifier (eg KA in the
diagram above) with the filter settings entered by the user during setup.
Serial number
Message category
Transmitting Station
Receiver error rate
Received frequency
UTC date
UTC time
Message identifier
KA59