Instant-Dict MD8290, User Manual

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CHAPTER 1 OPERATION GUIDE
2. Replace the old batteries with new
ones, make sure the polarities are
correct.
3. Close the battery compartment
door properly.
4. You are requested to use the pro-
fessional battery. Make sure the
battery compartment door is closed
properly and the lock is pushed to
“LOCK” position, otherwise the unit
cannot be powered on.
Alert
It will lead to the danger of explosion with improper steps of replacing
battery, so please deal with the used one according to the statements
of manufacturer’s manual.