JRC JMA-933B Installation Manual page 119

Setting the position data source (POSN1/POSN2)
POSN1/POSN2
・(D)GPS1：
・(D)GPS2：
・LORAN-C：
・GPS Compass：Select when using GPS Compass for the position sensor.
・DR：
・none：
・DR-Reset：
Display
・Setting with ON/OFF secondary position display.
［Use Local Port］ ：Recive a sensor data route terminal board.
［Use LAN］ ：
Specifies a primary [POSN1] data source.
（(D)GPS1, (D)GPS2, LORAN-C, GPS Compass and DR）
［Use Local Port］ ：Recive a sensor data route terminal board.
［Use LAN］ ：
Specifies a secondry [POSN2] data source.
（(D)GPS1, (D) GPS2, LORAN-C, GPS Compass, DR, DR-Reset and
none）
Select when using No.1-GPS or No.1-DGPS for the postion sensor.
Select when using No.2-GPS or N0.2-DGPS for the positon sensor.
Select when using LORAN-C for the positon sensor.
Estimate an own ship position with the heading, the speed, the SDME,
and so on.
Do not use a secondary position.
Use the GPS data of POSN1 as the DR standard position and correct the
error which occurred in DR use. Select DR-Reset and the value when
left-clicking the [OK] button in the [Sensor Connection] dialog box is
applied.
5-36
Recive a sensor data route LAN.
Recive a sensor data route LAN.