Sharp IQ-8900, IQ-8920 manual If nothing happens when you press @, 303

Models: IQ-8900 IQ-8920

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Battery replacement switch

4.Remove the old batteries by pulling the ribbon tab.

5.Insert the two new batteries atop the ribbon tab, positioning them according to plus (+) and minus (4 polarity, as shown below.

6.Replace the operation battery cover.

7.Set the battery replacement switch to “NORMAL OPERATION.”

If nothing happens when you press @:

Setting the battery replacement switch to “REPLACE BATTERIES” shuts off power to the unit. Check that the battery replacement switch is set to “NORMAL OPERATION.”

Check that the card lock switch is set to LOCK,

Repeat the above battery replacement procedure step by step.

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Sharp IQ-8900, IQ-8920 manual If nothing happens when you press @, 303