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To check the firmware version on your Apollo Series, select Information (F5), from the Home Screen, the instrument and firmware version are displayed at the bottom of the screen.
To check / download the latest version of firmware visit the following: www.seaward.com/apollo-400-plus-firmware
Make sure you backup (download) any data on your instrument beforehand. You may want to also clone (download) your settings data (Apollo 500+ and 600+) so that you can upload these afterwards.
Make sure the Apollo+ Series is switched off. Press and hold the function key , then press the ON button to power on the Apollo+ Series, keeping the key depressed until the updater screen is displayed.
Press F2 to Update via PC (Apollo+ Series). Connect the USB lead between the PC and the Apollo+ Series and press F1, as instructed.
Copy the downloaded firmware file (with extension .tar.bz2) to the new Apollo+ Series drive on your PC (for example, Apollo (E:))
Press F1 to begin the firmware update - when the update is complete the display will show “Update complete, restart the system or press F1 to return to the main menu.”
Press and hold the OFF button until the Apollo+ Series powers off. The firmware update, via the PC, is now complete and the Apollo+ Series is ready to use.