Hello,
the RX voltage is not related with the Spirit unit at all. This must be wired out from the receiver - it has one pin for sensing the voltage.
The Spirit unit is sending ESC Status page and Flight Pack Capacity. These telemetry screens should be available.
Please see this page.
http://manual.spirit-system.com/index.p ... ntegrationYour settings are good, so the issue is not there. If you can't see any telemetry values, the only problem could be old firmware in the ESC. It is necessary to have the latest one and HobbyWing ESC. Sadly not all Align ESCs are compatible.