On the lower right button of your watch is the set button, you have to press and hold it. and in the lower left is the mode button is the mode press it to choose whether you are about to change the flashing digits. the upper right button is start/adv. it is use for adjustment of the flashing digits. i hope this will help you.
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On the lower right button of your watch is the set button, you have to press and hold it. and in the lower left is the mode button is the mode press it to choose whether you are about to change the flashing digits. the upper right button is start/adv. it is use for adjustment of the flashing digits. i hope this will help you.