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No memory data / Clear memory data
When the memory data is queried and when
there is no memory data under the current
number, the display is as shown.
Remove and reinstall the batteries to clear
all memory data.
When the power is turned back
on, there’s a long beep, the
backlight is orange and then turns
red.
Switching between mute and un-mute
In the powered-on state, press and hold the
sound switch button for about 2 seconds to
switch the sound on or off.
When the sound is turned on, it will beep
once, and the mute symbol will be displayed
when the sound is off.
The
symbol is displayed in Mute mode
and disappears in Un-mute mode.
When the sound is turned on, it
sounds a long beep and the
backlight is orange.
Switching between object temperature and body temperature
Press the Mode button to switch between
object temperature and body temperature.
Body temperature measures the Forehead
temperature and Ear temperature.
Silent, the backlight is orange.