diff --git a/docs/en/telemetry/crsf_telemetry.md b/docs/en/telemetry/crsf_telemetry.md index a60a8109f4..47c64934cf 100644 --- a/docs/en/telemetry/crsf_telemetry.md +++ b/docs/en/telemetry/crsf_telemetry.md @@ -210,7 +210,7 @@ The supported telemetry messages and their source are listed below (this table i | Yaw | FC Yaw angle | FC | | FM | Flight mode | FC | | Alt | Altitude above the local origin (takeoff point) | FC | -| VSpd | Vertical speed | FC | +| VSpd | Vertical speed | FC | ::: info `GAlt` (in the GPS sensor) is GPS altitude above mean sea level, while `Alt`/`VSpd` are PX4's fused local altitude and climb rate relative to the estimator origin (roughly the takeoff point). PX4 sends these in the CRSF barometric-altitude frame, so despite the frame name the value is not a raw barometer reading. `VSpd` uses the linear vertical-speed form, which requires a recent EdgeTX (2.9+); the altitude displays on EdgeTX 2.7.1 and later.