How do I change the display on TD Pilot to achieve greater accuracy?

Tap Settings 

On the left side, tap the Home Screen & Dock category.

On the right side, enable Use Large App Icons to make the icons larger.

On the left side, tap the Display & Brightness category

On the right, tap Dark

On the right, scroll down and tap Text Size.

Move the Text Size slider to the second largest position.  *Note: This increases the text size in all compatible applications

Tap Display & Brightness on the left side to return to the Display &  Brightness settings.

On the right side, scroll down and tap View.

Select Zoomed, then tap Set.

In the popup, tap Use Zoomed. The screen will reset briefly.

You must now do a full iPad restart to apply the Zoom settings. Tap Generalon the left, then on the right swipe down and tap Shut Down.

Slide the button on the screen from left to right where it says slide to power off.  When the iPad has powered off, press the iPad's Power button to turn it on again.