Valley Electronics Daysy Instructions For Use Manual page 16

The device does not do anything when the button is pressed.
Replace the battery. CR2032, available everywhere batteries are sold.
The ring blinks frantically.
Replace the battery as soon as possible. Before removing the battery, be sure
that Daysy is off by checking that her lights are not illuminated.
Daysy does not start measuring, but grumble buzzes instead.
Remove the cable before measuring. If the cable is not inserted, turn Daysy
on and then insert and remove the cable several times. Daysy should now
allow a reading.
For further questions of use, please visit our website's extensive FAQ section at daysy.me
or contact our hotline.
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