A: No. Page 48 of the manual explains the "Contrast Adjustment" hidden menu: Turn the unit off, hold the "Left Arrow" key, and press "Power" to adjust LCD contrast.
Even a simple tool like the Equus 3022 can seem broken if you lack the manual. Here are three common complaints resolved directly by information within the PDF: Equus-3022-Manual.pdf
If you don't specify, I'll provide a comprehensive review covering clarity, technical content, safety, usability, and suggested edits. hold the "Left Arrow" key
Elara’s hands were cold. She turned to the last page. Equus-3022-Manual.pdf
The 3022 can display up to 6 live parameters simultaneously. However, the manual lists the normal operating ranges for: