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Northstar Explorer 657 Installation and Operation Manual54
To load a file to the 657:
1 Select the file to load.
2 Press
and select Load.
Deleting a file from the user card
1 Select the file to delete.
2 Press
and select Delete.
3 Select Yes to confirm.
Rereading the file information
This reads the file names from the user card and
displays them. Reading does not load any file
data into the 657. You should not need to do this.
1 Press
and select Card.
2 Select Read.
Formatting the user card
Formatting prepares a user card for use. Format
the card if there is an error message saying that
the card is not formatted. Any data files on the
card are deleted.
1 Press
and select Card.
2 Select Format.
3 Select Yes to confirm.
Sorting the file names
This sorts the displayed file names.
1 Press
and select Sort.
2 Select sort by Name, Type or Time.
!
WARNING
Do not format a chart card.
15 AIS
AIS is short for Automatic Identification System.
The International Convention for Safety of Life At
Sea (SOLAS) requires all vessels greater than 300
tons and all passenger vessels to be equipped
with AIS Transponders. All vessels equipped with
AIS permanently broadcast via one or more of the
two dedicated VHF channels. This transmission
may include information about the vessels MMSI-
number, its call sign, name, position, course,
heading, speed, rate of turn and type of vessel.
This unit can receive and display AIS information
when connected to an AIS receiver. Available AIS
vessels transmitting in the local area are show on
the chart when this feature is enabled.
The following AIS receivers are supported by
this unit:
• Comar SLR200 (external GPS).
• Weatherdock Two Channel AIS Receiver “EASY
AIS”, Part No. 5-A-013 (external GPS).
• NASA Marine AIS Engine 2 channel Receiver
(external GPS).
Other AIS receivers may work but have not been
tested with this unit.
To enable AIS from the system menu check the
AIS box. (see section 15-1)