Press the mode key to enter the clock state and display ALM puzzle. 1. In use, press the set key for 2 seconds to enter the setting. The method is the same as the clock setting. 2. In the setting state, if there is no button for 20 seconds, it will automatically exit the setting state. 3. When the clock is not set, press the up key to turn on / off, and the clock sign "only when the sign is on, it will ring when it reaches the set time, and the sign" flashes "when it reaches 1 minute<br>
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