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Interfacing and connecting the NMEA outputs 

This is documented in the Operation and installation manual on page 43 
 
 

 

 
 
 
If the docking options are required, connect the gyro NMEA input set to ROT signal 
to one of the comports. The pin numbers for each comport can be seen on the NMEA 
screen on the unit. Standard docking units have 2 comports, and will accept both ROT 
(required) and GPS (optional)  
 

Operational Check 

CARE: The system should ideally 

not

 be powered in air, if however you wish to 

check the system, the transmit wires can be disconnected, and the unit will operate. 
See page 62, J503 pins 1-15 (1 on the right) The unit will operate for up to 10 minutes 
in air, but must then be allowed to cool for at least 30 minutes.  
 

Calibration of the system 

 
This is documented in the DL850 operation and installation manual page 50 
 
 
 
 
 
 

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