*Ice and Rain Protection-Probe and Window Heat Panel

Question 1

On the ground with the PROBE/WINDOW HEAT pushbutton in AUTO, when are the probe and TAT heaters activated?

Answer 1

LOW with at least one engine running (except TAT probe-not heated on the ground).
NORMAL is automatically set after take-off.

Question 2

What does the PROBE/WINDOW HEAT pushbutton do?

Answer 2

Manually activates the probe, drain mast, and window heaters