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How do I set the countdown on my Learning Resources LER4339 Digital Timer?

1Answers
MacGabrielle
12/17/2025, 03:28:47 PM

Setting the countdown time on your Learning Resources LER4339 Digital Timer is straightforward. First, ensure you've installed a AAA battery (not included) in the battery compartment, making sure it's correctly oriented. Next, use the MIN (minute) and SEC (second) buttons to input the desired countdown time. For instance, to set a 5-minute timer, press the MIN button five times. Once the time is set, initiate the countdown by pressing the START/STOP button. The timer will then begin to count down. When the timer reaches zero, a loud alarm will sound for 60 seconds. To silence the alarm, simply press the START/STOP button again. The timer conveniently retains the last set time, allowing for easy reuse without resetting. For more detailed instructions and information on other features of the Learning Resources LER4339 Digital Timer, consult the product's instruction manual.

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