3M Clean-Trace NGi Luminometer User Manual page 22

To make and store new measurements ensure NEW RESULTS is
highlighted and press Select
To make and store new measurements, use the navigation ( / )
▲ ▼
buttons to highlight the test point required and press Measure.
The 3M™ Clean-Trace™ NGi Luminometer will then perform a
measurement cycle....
...and display the result. Press OK to accept and store the result.
If the result is a fail, the user must acknowledge this by pressing
OK before further measures can be taken.
NOTE: if a measurement is attempted without a 3M Clean-
Trace ATP Test in the chamber of the 3M™ Clean-Trace™ NGi
Luminometer, an error message stating "No Swab Detected" will
be displayed and an audible beep will sound to notify the user
that there is not a test in the chamber.
The result is now stored. The cursor will move to the next test
point automatically, or use the navigation (▲/▼) buttons to
highlight the next test point required.
Pressing the Back key will exit the testing.