Press the HOLD key button briefly in order to lock the
displayed value.
6
4.4. OPERATION METHOD
When starting up, press the power button for 3 seconds
and the back of the display screen will enlighten. Press
the button for another 3 seconds and the background will
turn off.
1- Press the power button to turn on the measurer, the
status indicator light is on, the green light indicator is on,
the sound alarm rang once and the content is displayed
on the screen.
Press the HOLD key button briefly so the displayed value
returns to zero.
Place the measurer at a distance of two infrared lamps from the object to be measured and then, focus on it (the red
LEDs must be overlapping each other – approx. 5cm from the surface to measure) and read the measured value on the
display screen.