MB2190 O/M.QXD 3/31/03 3:07 PM Page 2
POWER SOURCES
BATTERY INSTALLATION
Open the battery compartment and insert two (2) "AAA" size batteries (not included) following the polarity diagram. Put the battery compartment cover back into place.
NOTE: The REC/BATT indicator will brightly light during recording when batteries are fresh. When they are weak, the indicator will appear dim.
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BATTERY PRECAUTIONS
Follow these precautions when using batteries in this device:
1.Use only the size and type of batteries specified.
2.Be sure to follow the correct polarity when installing the batteries as indicated in the battery compartment. Reversed batteries may cause damage to the device.
3.Do not mix different types of batteries together (e.g. Alkaline and
4.If the device is not to be used for a long period of time, remove the batteries to prevent damage or injury from possible battery leakage.
5.Do not try to recharge batteries not intended to be recharged; they can overheat and rupture. (Follow battery manufacturer’s directions.)
DC JACK - 
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To use this unit with an external AC adapter (not included) having 3V and a positive center pin, insert the AC adapter’s plug into the DC 3V jack on the unit. The batteries will be disconnected when the AC adapter is connected.
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