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SECTION SIX: Interfacing the 958 system
958 Installation Manual, Rev. A1 Page 25
The devices interfacing with the 958 may have special requirements; check their installation
instructions. The factory settings are fine for most devices, but the following are available, if needed.
Choosing the output format
The 958 outputs navigation data in any of several standard formats as required by the receiving, or
“listener,” device. The OUTPUT FORMAT option provides the following choices:
• None turns the outputs off for when the 958 isn’t connected to an external device.
TABLE 8: Setup options for the NMEA port
Setting Choices
OUTPUT FORMAT
(see below)
For port 1, choose NONE, 0183
RAY, or 0183 V2.1. For port 2,
choose the above plus RADAR
NMEA 0183 TALKER ID
(see page 27)
choose GP, LC, or II, to make
the 958 look like a GPS receiver,
Loran-C receiver, or an
“integrated instrument”
NMEA 0183 LL PRECISION
(see page 27)
choose hundredths of minutes,
thousandths of minutes, or
ten-thousandths of minutes
OUTPUT RATE
(see page 28)
choose 2 to 999 seconds for the
interval at which data is sent to
the external device
NMEA 0183 WAYPT ID AS
(see page 28)
choose NAME or NUMBER for
the identifier of waypoints sent to
the external device
NMEA 0183 CHECKSUMS
(see page 28)
choose ON or OFF for
compatibility with some older
devices
OUTPUT DATUM
(see page 28)
choose from a list of datums to
apply to your lat/lon coordinates,
if necessary