NorthStar MX500 Operator's & Installation Manual page 123

Configuration
any of the above. "xx" refers to the Talker Identifier as specified in the
NMEA 0183 standard. The receiver will accept these data records from
any talker ID, and from any version (1.5 or higher) of the NMEA 0183
standard.
To implement this feature, change Compass Connected to Yes.
Identify the appropriate input port that the compass connects to the
receiver by using the Change softkey.
Select whether or not the receiver should give an alarm if data is not
received on the input port.
Select the compass type, either Magnetic, Gyro, or MX575. Only the
NMEA 0183 records identified above are accepted for the gyro input.
Magnetic:
Gyro:
Version 3.0
Select the magnetic deviation method: either In Compass - the de-
viation is corrected before being sent to the receiver; or In Naviga-
tor - the deviation is corrected by editing a deviation table (Edit
Table softkey) in the receiver.
Set the constant Gyro Heading Offset (or bias) if any.
Operator's Manual
109