Raymarine Alpha Numeric Keypad monuted to original support bracket.

Bracket is 4"x10", 18g Al, tempered, bent to form.

RAYMARINE C80 Display with its optional Alpha Numeric Keypad

View from bottom of C80. Note the clearance for original mounting knob used to support the bracket. This also allows the bracket to swing face down to get at the connectors and mounting screws. The brass screws have clean fingernail polish on(all) the threads to keep them from backing out.

C80 rear view. Note the partially hidden long brass lower mounting screw to Alpha Numeric Keypad and 'L' mounting bracket on the far side of the C80.