Banana Joe, my apologies if that across badly about your comprehension of icing / freezing conditions.
Your manuals may be different (unless we fly for same company!) but just for comparison (because yours might be saying the same thing in a different way - I’m no stranger to confusing or contradictory manuals.)
I have my EFB on my lap, open at Flying Manual Part B - Supplementary Procedures, Adverse Weather, Cold Weather Operations.
Here is it exactly.
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Preflight Procedure - First Officer
Do the following step after completing the normal Preflight Procedure - First Officer.
PROBE HEAT switches ...... ON
Verify that all probe heat lights are extinguished.