Page 181Hydran* M2-X Instruction ManualMA-029 Rev. 1.0, 30-Jul-18Appendix F. Upgrading the Embedded Programs(Firmware)Upgrading the embedded programs consists in uploading a new version of theprograms residing in the flash memory. The flash memory allows you to upgrade itscontent using a software instead of physically replacing a memory chip.Each Hydran M2-X is controlled by two embedded programs:• The controller board program.• The sensor interface board program.Both programs can be upgraded locally.The controller board program can also be upgraded, locally only, and one HydranM2-X at a time, using a program called BootDownloader; proceed as follows:1. Ensure you have the CB.APP file, which contains the upgrade for thecontroller board program. It can be found in the following folder of theinstallation CD:[drive letter]:\HM2-X Firmware\Control Board x.yz, where x.yz is theversion number.2. Verify the version number of the controller board program currentlyrunning. To do so, access Main Menu > Service > Software Version usingthe Hydran M2-X’s keypad. Verify the version number again after theupgrade procedure to confirm its success.3. Connect a null modem cable between the Hydran M2-X’s Local RS-232connector and the laptop computer’s COM port.4. Remove the Hydran M2-X’s cover and power off the Hydran M2-X byunscrewing the fuse holder. Then, power on the Hydran M2-X by screwingthe fuse holder back in place while pressing the left and middle contextkeys. The Hydran M2-X now displays: