DeVilbiss Healthcare Drive HbO-3000 Manuel De L'opérateur page 14

Lanyard Installation
1. Thread the thin end of the lanyard
through the hole at the rear of the case.
2. Loop the wider end of the lanyard
through the thin end before pulling it
tight.
Operation Instructions
1. Install two AAA batteries (See battery
installation).
2. Insert finger into the oximeter as
shown in Pic 1.The finger nail must be
facing upwards.
3. Switch the device on by pressing the
power button.
4. Avoid excessive body movement
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Pic 1.