• The current release of H₂O/S software for the Octopus 4000 is V 2.0. Upgrading to this version is free. Instructions can be found in appendix "D" of the Octopus 4000 User Guide, Version 1.0. Download by clicking the icon(s) to the below:

• The current version of the H₂O/S software for the AquaNode ES is V 1.7.  Upgrading to this version is free.  The AquaNode ES User Guide, Version 2.0 can be downloaded by clicking the icon to the right:
• The current version of the H₂O/S software for the AquaNode XL is V 1.7  The AquaNode XL User Guide, Version 1.0 can be downloaded by clicking the icon to the right:

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