TESTO 521 Instruction Manual page 15

Units
521
Click on U U n n i i t t s s .
526
Options (testo 521)
521
To switch additional parameters on or off,
click on O O p p t t i i o o n n s s .
Air density button
The A A i i r r d d e e n n s s i i t t y y button starts the wizard for calculating
the air density.
521
Manual density calculation
Activate the M M a a n n u u a a l l menu item.
Press the N N e e x x t t button.
Enter the pitot tube factor.
Press the F F i i n n i i s s h h button.
4. Programming 15