performance fails due to low temperature, the unit will resume proper functioning as the temperature rises to within the normal temperature range (i.e. no permanent damage will occur to the unit due to low temperatures).

USING THE BACKLIGHT FUNCTION

In normal mode, press “CHANNEL” or “MIN./MAX.” key once to activate the backlight for 5 seconds.

SWITCHING BETWEEN ºC & ºF

TEMPERATURE FORMATS

Slide “ºC/ºF” switch to select between Celsius and Fahrenheit.

VIEWING THE MIN. & MAX.TEMPERATURE RECORDS

1.In normal mode, press “MIN./MAX.” key once to show the minimum indoor & outdoor temperature records in the past 24 hours.

2.Press it twice to show the maximum temperature records.

3.Press it again to exit.

Note Press and hold it for 3 seconds to delete the minimum and maximum temperature records.

EN

MAX.temperature records MIN.temperature records

USING ICE ALERT FUNCTION

If the outdoor temperature range is -2.0ºC ~ 3.0ºC (28ºF ~ 37ºF), the Ice Alert indicator light will be turned on and flash.

BATTERY REPLACEMENT

If the low battery icon “ ” turns on next to the outdoor temperature reading, replace the sensor’s battery with 2 AAA batteries.

If the low battery icon “ ” turns on next to the indoor temperature reading, replace the sensor’s battery with 2 AA batteries.

Low battery indicator

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Oregon Scientific EW91 Using the Backlight Function, Temperature Formats, Viewing the MIN. & MAX.TEMPERATURE Records