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: Obtain the 1Tool software version 2.6.57 SP1 from the official Carel website or an authorized distributor. Ensure you select the correct version and service pack for your needs.

A WYSIWYG editor for creating the user interface shown on the controller's LCD screen.

Assists in field setup, diagnostics, and local or remote maintenance. Version Comparison: 2.6.46 vs. 2.6.57 SP1