Question about Canon P23-DH Calculator
First Remove the clear tape from the battery compartment on the bottom. Second take a paper clip and press and hold the reset button for 5 seconds. Then press the calendar/clock button. Next press and hold the time set button (M+/=) until the first number starts flashing. Type in the date and press time set (M+/=) until it stops flashing. Then press the calendar/clock button. Next press and hold the time set button (M+/=) until the first number starts flashing. Type in the time and press time set (M+/=) until it stops flashing.
Posted on Apr 29, 2008
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Posted on Jan 02, 2017
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