Infrared Thermometer Model DET-306 Quick Help Guide

It is recommended to read the operating manual prior to using. Manufacturer's instructions should be followed to achieve the best results!

Quick Set Up

Make sure to properly install 2 – AAA batteries (included).
Power on by pressing the .
Set the Time (format, hour, minutes) and Date (year, month and day) using the .
Select Forehead Mode by pressing the until the Forehead icon displays.
Select the Temperature Unit for Fahrenheit (°F) or Celsius (°C).
1. Turn thermometer off, press and hold for 3 seconds.
2. Press and release to select °F or °C.
3. When correct mode is on display, press the to exit and save changes.

Temperature Unit Selection: °C / °F

If the thermometer is stored in a significantly different environment than testing location, place it in the testing location for approximately 30 minutes prior to use.
Users and thermometer should be in the same ambient temperature for at least 10 minutes before taking measurements.
Press the to begin - Time, Unit Mode and Forehead/Object mode should be visible and there will be 2 beeps when the thermometer is ready to take a measurement.
Hold the thermometer approximately 1” away from head, aim steady at the center of the forehead and press the .
Temperature will show on the display along with a beep or beeps once measurement is complete.
1. If a temperature >100 °F is measured, there will be a long beep followed by 3 short beeps.
2. Do not move the thermometer until beeps stop.
Wait at least 3 seconds after the beep to take the next temperature reading.

Oils or cosmetics on the forehead may give a lower temperature reading. Remove dirt from the forehead before taking a measurement. Wait at least 10 minutes after washing the forehead before taking a reading.
Do not take temperature over scar tissue, open sores or abrasions.
Do not take temperature on a perspiring or sweating forehead.
Do not use thermometer outdoors.
The probe window must be kept clean, dry and undamaged at all times to ensure accurate readings.
To clean probe window, using a clean cotton swab dipped in 70% alcohol, wipe the probe window 3 times. Wait 10 minutes before taking temperatures.

The thermometer is initially calibrated at the time of manufacture. If used properly, readjustments are not necessary.

Error Message	Problem	Solution
Er 1	The thermometer is not ready to take a measurement	Take a measurement until an ☺ or ☺ appears on the display.
Er 2	The ambient temperature is not within the range of 50-104 °F (10-40 °C)	Place thermometer in a testing location within the range for approximately 30 minutes prior to use.
Er 3	The thermometer is placed incorrectly or unsteady	Hold the thermometer approximately 1" away from head, aim steady at the center of the forehead.
Er 4	The thermometer is experiencing a rapid ambient temperature change	Allow the thermometer to acclimate in the testing location within the range 50-104 °F (10-40 °C) for approximately 30 minutes.
Er 5	The thermometer is not functioning properly	Remove the battery for 1 minute and reinstall. If the message reappears after pressing the , contact the retailer or service.
Hi	Temperature measured is higher than 109.4 °F (43 °C)	Make sure Basic Temperature Taking instructions and Helpful Hints (above) have been followed. For additional tips, refer to Operating Manual for more Temperature Taking Hints.
Lo	Temperature measured is lower than 93.2 °F (34 °C)	Make sure Basic Temperature Taking instructions and Helpful Hints (above) have been followed. For additional tips, refer to Operating Manual for more Temperature Taking Hints.
?	Battery charge is low	Replace the battery with 2 new AAA alkaline batteries.