V!SA - USER HANDBOOK
•
Switch instrument on in fresh air and check that the
battery pack is charged.
•
Check there are no faults.
•
Attach optional accessories, as required.
•
If oxygen sensor is fitted, check oxygen readings to
ensure correct operation. The oxygen sensor
responds to the user breathing on the instrument
front grille by displaying a decreased value,
i.e. below 20.9%.
•
Switch the instrument off, in fresh air, after use.
2.2 SWITCHING THE INSTRUMENT ON
Press and hold the green Right Hand (RH) button
one second to switch the instrument on.
YELLOW (LH) BUTTON
Fig. 2.1 V!SA Button Operation
2-2
DISPLAY
GREEN (RH) BUTTON
for