User's Manual

13
Display and Operation Instructions
LCD
Display
Operation Method and
Display Instructions
Sound and Backlight
In the power-off state, press
the measurement key for less
than 4s. Then, the
thermometer displays the
measurement value and starts
up.
One long buzzing sound
and 3s green backlight
After the backlight dies out,
the thermometer enters the
ready-for-measurement state,
and a symbol of a
corresponding mode appears.
In this case, the measurement
prompt symbol blinks.
1. When 32.0C < T <
37.6C, one long
buzzing sound and
3s bright green
backlight
2. When 37.6C  T 
42.2C, seven rapid
short buzzing
sounds and 3s bright
green backlight
When the temperature
of the surrounding
object or environment
during measurement is
within the following
range: 0C  T  32.0C
or 42.2C  T  100.0C,
a symbol appears,