The information below is for users with version ‘2’ firmware installed inside the HFRR control unit. Users that have version ‘1’ firmware will require a new reprogrammed flash chip to upgrade the HFRR control unit before utilising any update. Please contact your local distributor or PCS Instruments for advice about upgrading the flash chip. It is highly recommended to upgrade to version ‘2’ to benefit from improved stability either by running in standalone or remote mode.