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
•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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