Hochiki HCA-RA Remote AnnunciatorThe Hochiki HCA RA remote annunciator can be connected to the slave RS 485 port of the HCA control panel. The HCA RA's large 32 character display and navigation buttons are a complete mimic of the HCA control panel display. The use of a common interface allows the user to easily operate the HCA RA as if the were operating the HCA control panel directly. Security is established by the use of a password or firefighters enable key. The HCA RA may be