AUTOHELM NMEA BRIDGE User Manual page 7

NMEA Bridge Operation and Installation Handbook
3. Alternatively, the NMEA Bridge may be attached using the 2
self tapping screws provided.
4. Remove the top of the Bridge by squeezing the lid at each
end and pull away from the base.
5. Route all the necessary cables into the Bridge.
6. Connect the wires as described in section 3. Also, secure
cables close to the unit.
7