12
"Cleaning and Disinfection".
2.
Store the thermometer in a dry, dust-free, and well-ventilated
place. Ensure that the thermometer is not exposed to sunlight.
Ensure that the storage and transportation environments meet
these requirements
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.
10. Replacing the Batteries
1.
Slide the battery cover off along the marked direction. Put two
AAA batteries correctly into the compartment.
2.
Remove the batteries if the thermometer will not be used for more
than two months.
11.Troubleshooting
Symptom
Possible Cause
Solution
The thermometer fails
to power on.
The batteries are
dead
Replace the Batteries
(AAAx2)
Polarities of the
batteries are
reversed.
Ensure that the batteries
are correctly installed
based on the polarity
symbols in the battery
compartment.
The thermometer
is faulty.
If the warranty period has
not expired, contact us.
Only the battery
symbol is displayed.
The battery level
is low.
Replace the Batteries
(AAAx2)
"Er1" is displayed.
The ambient
temperature is out
of range (less
than 10°C/50°F or
greater than
40°C/104°F).
Move to an ambient
temperature between
10°C/50°F and
40°C/104°F.
9
Screen
Display
Operating Instructions
Displayed State
Sound and backlight
Accessing Reading Memory
In the power-off state, press and
hold the
Ear
button for 3-5
seconds to enter the recall mode.
"
- - - M
" is displayed.
silence
Press and release the
Ear
button,
1
will be shown, followed by the
recorded reading.
Press the
Ear
button again for the
next recorded data.
2
will be
shown, followed by the recorded
reading.
A maximum of 20 temperature
readings can be recalled.
1
represents the newest data.
silence
If no temperature reading has
been taken, only "
- - - M
" will be
displayed.
silence
Clear Memory
In the power-off state, press and
hold the
Ear
button for more than 8
seconds to enter the
Clear All
Memory
mode. Release the button
and records will be cleared.
A long beep without
backlight
