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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. 

Содержание OS-820D

Страница 1: ...lt setting for the temperature unit is in Celsius Please follow the below steps to change the temperature units to Fahrenheit Press and hold SET left button until you see F1 appear in bottom right corner of screen Press ADJ to switch from C Celsius to F Fahrenheit You should now see the temperature now displayed in F Fahrenheit Press trigger to go back to main screen Switching from surface tempera...

Страница 2: ... measured temperature 2 Backlight button turn on off backlight Hold to change 3 Left Button during the measurement mode page up the stored temperature data records activate the parameter setting mode or during the parameter setting mode navigate the settings menu 4 Right Button during the measurement mode page down the stored temperature data records or during the parameter setting mode adjust par...

Страница 3: ...ture Units from C to F F1 Press and hold SET left button until you see F1 appear in bottom right corner of screen While showing F1 Symbol in bottom right corner of the display press ADJ to switch between C and F Temperature Offset Setting F2 With F2 Symbol showing in bottom right corner of the display press ADJ to increase and MODE to decrease to adjust the temperature offset within the range of 5...

Страница 4: ...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 5 C 99 5 F Orange 37 5 C 38 C 99 5 100 4 F Red Above 38 C 100 4 F 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 ho...

Страница 5: ...aintenance Please follow the instruction manual for troubleshooting If the issue is not listed in the manual please contact our customer support Warning sign HI When using the thermometer for measuring body temperature the HI warning sign may come on The warning sign indicates the temperature measured exceeds the maximum allowed threshold 43 C 109 4 F Warning sign LO When using the thermometer for...

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