Layout Scaling R7

Could someone please direct me to a great video that @mary posted somewhere?
Or help me with this mess? When I go to Options->Document Properties->Annotation Style->Inch-Decimal, only the model scaling shows.

Where is layout scaling??

Here’s the model

Here’s the Layout Page (Ugh)

And the file
CJM Stage Gear Plot.3dm (80.7 KB)

Thanks in advance --carl