Simrad AUTOPILOT SYSTEM AP50 Manuel D’Utilisation

 Maintenance 

20221032B

 163 

 

PROM extraction 
tool 

•  Remove the Programmable Read-Only Memory (PROM) 

from the socket with the PROM extraction tool (part number 
44139806).  

•  Insert the tool by pressing the two grip pins down into the two 

slots in the corners of the socket. 

•  Squeeze the tool and pull out the PROM.  
 
 
 

 

 

•  When inserting new PROMS, make sure its cut-off corner 

matches with the corner in the socket. Press the PROM gently 
into the socket. 

 
•  The identification tag on the PROM indicates: 

-  the name of the unit 
-  the Simrad part number 
-  the software version 

 

  PROM for the AP50 Control Unit: 

P/N 20212189 

  PROM for the J50 and J50-40  
  Junction units: 

 

P/N 20211934 

•  After changing a PROM, perform a master reset as described 

Cut-off 
corner 

Identification tag 

Slots