October 28, 2026 v2.00.01 Release
The operation and hardware manuals for CTR2-Max can be downloaded here. They will be updated as changes are made to the firmware.
CTR2-Max Flex Mode Manual
CTR2-Max MIDI Mode Manual
This is the latest release of the MIDI mode manual.
CTR2-Max Hardware Manual
This is the current manual for the CTR2-Max hardware.
AetherCTR2 Manual
AetherCTR2 is a separate Flex control app that is provided by the AetherSDR developers. It replaces the stock CTR2-Max firmware. You can install if from the the CTR2 Relay panel in AetherSDR. To access this panel, open the Settings -> Controllers -> CTR2… menu.
AetherCTR2 is supported and maintained by the AetherSDR project team. Questions and feature requests should be sent to them.