Diasonic Tech DMP-105 - Manual (Page 8)

1. Open the battery cover.
2. Insert 1 LR 03 type battery to product matching the (+) (-)polar
signs and close the cover.
[Battery : LR 03 or equal product (SIZE"AAA" or UM-4)
3. Press play/stop button to check the battery.
Battery full Consumed 1/3 of the Battery .
Consumed 2/3 of battery. Battery needs exchange.
Notice
If LCD doesn't appear after new battery has been inserted,
immediately check the polar signs of battery. Even after checking the
polar signs of the battery and if LCD still doesn't appear, take the
battery out and request for repair.
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