Lumiscope 1143 instruction manual Battery Installation

3 BATTERY INSTALLATION

1. Open the battery cover and install two alkaline AAA batteries in the battery compartment as indicated. Check polarity and ensure the batteries are correctly positioned;

2. Close the battery compartment cover.

•Replace the batteries when the replacement

indicator appears in the display or when the unit does not turn on when button ‘O/I’ is pressed;

•Use only alkaline AAA batteries, do not use rechargeable batteries;

•Use only same-age, same-type batteries together. Replace all batteries simultaneously;

•If the device is to be unused for long time, take out the batteries and store in a dry environment;

•Do not leave uncharged batteries in the device.

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