![background image](/i/pentax/164612/pentax-af-540-fgz/h/pentax-af-540-fgz-006.png)
4
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Cautions Regarding Batteries
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This flash unit uses four AA alkaline, lithium, or nickel metal hydride batteries. Do not use any other types of
batteries. The flash unit may not be able to operate correctly or demonstrate sufficient performance, or the flash
unit itself may generate heat, depending on the type of batteries used.
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AA alkaline and lithium batteries themselves are not rechargeable. Also, do not dismantle the batteries. Trying
to recharge or dismantle the batteries may cause an explosion or leakage.
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When changing batteries, do not mix batteries of different types or capacities, or from different manufacturers.
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Do not insert the batteries with the positive (+) and negative (-) terminals the wrong way around. Incorrect
insertion may lead to an explosion or fire.
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Battery performance may temporarily be hindered in low temperatures. Batteries should be kept warm in
temperatures below freezing for proper performance.
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If you do not intend to use the flash unit for an extended period of time, remove the batteries. Leaving them in
may cause damage to the flash unit due to leakage etc.
AF540FGZ_OPM_ENG.book Page 4 Friday, January 14, 2011 12:44 PM