Hawk Wind
From the Air Glide manual:
"The vertical air-mass (VAM) value is thecribed (sic - described?) with the blue-ball in the vario-indicator. VAM is computed from two input values, AHRS-air-mass and netto-vario-value."
The pilot can choose the proportion of the mix between the AHRS derived air-mass and the regular netto vario inputs and that mix is displayed as VAM by the blue ball. The Hawk equivalent display arrow uses no netto vario input and consequently no TE input either.
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