15
Screen Display
Operating Instructions
Displayed State
Sound and
Backlight Color
The display is as shown , when
there is no more data checked while
recalling memories. Remove 2 dry
batteries and after 10 seconds
re-install the power to clear all
memory data.
When the power is
turned back on,
there are a long
beep and a green
backlight, which
then turns into red.
Switching between mute and un-mute
In the power-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 shows up in Mute
mode and disappears in Un-mute
mode.
When the sound is
turned on, it
sounds a long
beep and the
backlight is
green.
Switching between object temperature and body temperature