ALTANA Spectro-Guide Sphere Gloss Manual - Manual (Page 14)

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3.2 Changing the battery
To remove the battery compartment, hold the
instrument in one hand and depress the battery
compartment release with your index finger. At the
same time, pull the battery compartment out of the
instrument with your other hand, as indicated by the
arrows in the accompanying illustration. Remove the
used batteries.
Only alkaline cells of the type AA /LR6should be
used as new primary (i.e. non-rechargeable)
batteries. If you prefer rechargeable batteries, you
can insert type AA NiMH batteries. The simplest
method is to begin by inserting the two middle
batteries 1 and 2, followed by the outer batteries 3
and 4. (See Fig. 2) If the polarity of the batteries is
mistakenly reversed, the reverse polarity protection
built into the instrument will prevent damage.
Fig. 1 Remove battery holder
Fig. 2 Battery holder
Power supply