If error persists reset the thermometer by removing the batteries and putting them back in. If error still persists contact your Welch Allyn representative. To change default temperature scale: With the device off, press and hold the button for about 5 seconds. Release the button when desired scale is shown.
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If error persists reset the thermometer by removing the batteries and putting them back in. If error still persists contact your Welch Allyn representative. To change default temperature scale: With the device off, press and hold the button for about 5 seconds. Release the button when desired scale is shown.