This addendum provides crucial updates and supplementary information for the AOR SDU5500 Spectrum Display Unit. It details important considerations for using the SDU5500 with the AR3000A receiver, including specific baud rate settings and initial power-on behavior.
Furthermore, this document outlines the process for flash upgrading the SDU5500's CPU firmware. It references the availability of HEX files and detailed upgrade instructions on the AOR UK website, accessible via RS232 link with compatible software like Windows HyperTerminal. Information on obtaining Adobe Acrobat Reader for viewing these documents is also provided.
Key changes in RS232 communication for later firmware releases are explained, including the replacement of the RIGD command with RICD and RIFD. Examples of command responses and data formats are illustrated to guide users in remote control operations. Users are advised to consult the UPGRADE Acrobat file for additional RS232 commands.
A free PC Windows software package for controlling the SDU5500 is available from AOR websites. This software offers a virtual display and video recording capabilities for analysis and replay.
For further details and software downloads, please visit the AOR websites:
Contact information for AOR offices in Japan, the UK, and the USA is also provided.
