10
Screen
display
Operating Instructions
Displayed State
Sound and backlight
Switching between ºF/ºC
In power-off state, press and hold
the
Ear
button for 6-7 seconds to
enter the temperature switching
mode. "
ºC
" or "
ºF
" are flashing.
Press the
Ear
button to switch
between ºC and ºF.The
thermometer shut down after 6
seconds, set up successfully.
silence
Error information & low battery
The ambient temperature is higher
than 40.0ºC (104.0ºF) or lower than
10.0ºC (50.0ºF).
3 short beeps and
yellow backlight for 3
seconds.
An error occurs when data is being
read from or written into the
memory, or the temperature
correction is not complete. Please
contact your supplier.
3 short beeps and
yellow backlight for 3
seconds.
When the battery voltage is lower
than 2.51V ± 0.15V, the low battery
symbol will appear on the display
after turning the device on. Please
replace the batteries.
silence
Power Off Mode
In any mode, if no operation for 10 seconds, the thermometer will power
off automatically.
Attention:
You must wait for the backlight to turn off before measuring
again.
Electromagnetic interference: contains sensitive electronic
11
components and should not be used in the presence of large
electromagnetic interference, (such as near mobile phones and
microwaves)
Please dispose of the product and batteries in accordance with
local regulation requirements.
8. Cleaning and Disinfection
Cleaning
1.
Clean the temperature probe with
a soft cloth. Clean the lens of the
temperature probe with a cotton
swab.
2.
Wipe the thermometer body with a
slightly damp soft cloth, and gently
dry the body with a piece of tissue
paper.
Keep water off the lens during the cleaning process. Otherwise,
the lens may be damaged.
The lens may be scratched if it is cleaned with a piece of tissue
paper, resulting in inaccurate readings.
Do not clean the thermometer with corrosive cleansers. During
the cleaning process, do not touch the lens using hard objects,
immerse any part of the thermometer into liquid, or allow liquid to
enter the thermometer.
Disinfection
1.
Disinfect the thermometer body and the area around the
temperature probe with a cloth slightly moistened with 75%
medical alcohol.
Do not use hot steam or ultraviolet radiation for disinfection.
Otherwise, the thermometer may be damaged or age quickly.
9. Maintenance
1.
After each use, clean the temperature probe as described in
