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3)
Check whether safety risks exist on a regular basis.
4)
Remove the batteries if the thermometer will not be used for more
than two months.
9. Replace the battery.
Slide the battery cover off along the marked direction. Put two AAA
batteries correctly into the compartment.
Remove the batteries if the thermometer will not be used for more than
two months.
10.Troubleshooting
Problem
Possible Cause
The battery level is
extremely low.
Polarities of the batteries
are reversed.
The thermometer
fails to turn on.
The thermometer is
faulty.
Only the battery
The battery level is low.
symbol is displayed
after the
thermometer
powers on.
The ambient temperature
is lower than 10°C
"Er1" is displayed.
(50.0°F) or higher than
40°C (104°F).
Solution
Use new batteries of the
same model or
specifications.
Ensure that the batteries
are correctly installed
according to the polarity
symbols in the battery
compartment.
If the warranty period
has not expired, contact
a local distributor.
Use new batteries of the
same model or
specifications.
Take a measurement
under an ambient
temperature between
10°C (50.0°F) and 40°C
(104°F).
9
or
Ready for detection, the
relative symbol will twinkle.
or
1. The measured temperature
exceeds 100℃/212.0℉ on the ear
temperature mode.
2. The measured value exceeds
42.2℃/107.9℉on the forehead
temperature mode.
1. The measured value exceeds
0℃/32.0℉ on the ear temperature
mode.
2. The measured value exceeds
32℃/89.6℉on the forehead
temperature mode.
Memory data, stores 20 temperature readings
LCD
Operational method and instruction
display
for displays
In power off mode, press and hold
the EAR button for 3 - 6 seconds to
enter the recall mode.
Once the screen displays a flashing
"- - -M" symbol, release and press
the EAR button again and the
screen will display the first data
group. 1-20 data groups can be
stored and you may review the
stored data by pressing the EAR
button.
3 short beeps and red
backlight display for 3
seconds.
3 short beeps and red
backlight display for 3
seconds.
Sound and backlight
silence
silence
6
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