You notice that the PF Key settings on Gener/OL panels do not match what is documented in the manuals or in the Online Tutorial.
For example, You are finding that PF4 is defined as HELP, and not PF1 as documented.
You are wondering Why and how to resolve.
PF Keys are customizable. To customize them...
The manual describes this but the factory provided settings are not necessarily what a customer may want on a regular basis.