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How to change temperature between ºF and ºC
1. The device is powered off.
2. Press and hold the speaker button,
, for 4 seconds, while the device is
off. The display will switch between
°F and °C.
3. Select which scale you want by pressing the speaker
button again,
, for 3 seconds. The display will stop
toggling between
º
F and
º
C and will remain on
the scale you selected.
4. `After 3 seconds, the device will automatically turn off.
5. The selected scale will be displayed upon the next
start up of the device.
How to change between sound and silent mode
To activate the silent mode, press the ‘sound mode’ button.
The speaker icon will change to a muted speaker icon on the
LCD screen. The muted speaker icon indicates the
thermometer is in silent mode.
To turn off silent mode press the ‘sound
mode‘ button. The muted speaker icon will
change to the regular speaker icon.
Viewing additional memories
At any time while not taking a measurement, the last 10
human temperature readings can be viewed.
While holding down the ‘sound mode’ button, press the
‘surface mode’ button to cycle through previous readings.
Each time the ’food/bath mode’ button is pressed a previous
temperature is shown.
When the ‘sound mode’ button and the ‘surface mode’ button
are both released, the display will default to ready mode for
human temperature.
Errors and troubleshooting
Error message Situation Solution
When the battery is running
low, the display flashes the
low battery warning symbol;
however, the device can still
work until the battery life has
0% left.
Replace batteries.
If the steady battery icon is
the only symbol shown on
the display, the device cannot
work. The battery should be
replaced immediately.
Replace batteries.
When in human body
temperature mode, this
message displays when the
measured temperature is
lower than 93.2 °F or higher
than 109.4 °F in or when the
room temperature
is outside the operating range
of 59 °F- 104 °F or 15 °C- 40 °C.
Re-measure the
temperature, carefully
following the
instructions in “How to
use” section.
When in surface mode (non-
medical use), this message
displays when the measured
temperature is lower than 32
°F or higher than 212 °F, or
when the room temperature is
outside the operating range of
59 °F-104 °F or 15 °C- 40 °C.
Re-measure the
temperature, carefully
following the
instructions in “How
to measure food and
liquid temperature”
section.
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