Sper-scientific 800047 Oxygen Pen Manuel d'utilisateur télécharger pdf (Page 12)

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BATTERY REPLACEMENT

The low battery icon will appear

on the left side of the LCD to indicate

the need for battery replacement. To

replace:

1. Press POWER to turn the meter off.

2. Rotate the battery cover located on

the bottom of the unit to loosen and

remove.

3. Remove the old batteries and

replace with 4 new AAA 1.5V

batteries, ensuring correct polarity.

4. Replace the battery cover and rotate

to tighten into place.

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Sper-scientific 800047 Oxygen Pen Manuel d'utilisateur Page 12