![background image](http://html1.mh-extra.com/html/omega/os-820d/os-820d_quick-start-manual_737748004.webp)
Temperature Measurement
Point to the measuring object at a range of 2-
3.15 in (5-8 cm) and press the trigger to begin
the measurement. The display screen will
display the temperature immediately within the
response time.
Surface temperature measurement mode:
Keeping the trigger pressed, the display will
indicate the object surface temperature live
with green backlight.
Body temperature measurement mode:
Press the trigger button once to take one
measurement. The number on the button left
corner shows the record number. The backlight
color indicates the different temperature range
as follows:
Green:
Below 37.5⁰C (99.5⁰F)
Orange:
37.5⁰C-38⁰C (99.5-100.4⁰F)
Red:
Above 38⁰C (100.4⁰F)
Data Record Management:
View Data Record
Press
«SET (left button)
and use
»ADJ (right
button)
to page up and down among the data
records.
Delete Data Record
Press and hold
»ADJ (right button)
to delete the
current data record. If the audio is on, the
device will beep once.
Battery installation and replacement
When the battery is running low, the screen will display a battery symbol at bottom left corner.