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Oritronic DM3997 - Operating Instructions: Units and Shutdown; Unit Conversion and Low Battery Alert; Automatic Shutdown Feature; Use Precautions

Oritronic DM3997
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- 7 -
Press the Celsius/Fahrenheit Conversion Key once to switch the
measured value between Fahrenheit and Celsius. The icon is
displayed on the LCD at Fahrenheit and the icon at Celsius.
Default as
6. Celsius and Fahrenheit conversion
7. Low battery indication
When the LCD shows the battery symbol, it means that the
battery is in a low battery state.
Operation: Open the battery compartment cover, and replace
the battery, paying attention to the correct position of batteries
Positive and negative.
Improper placement may cause damage to the product.
8. Shut down
If No operation in 7S, enter sleep mode.
Use precautions
2. Before use, please keep the sensor and probe cavity clean.
1. Please always wait for a 10 minutes warm up for the device
when first use or after just put in battery.
4. Do not start measuring body temperature immediately after
measuring extremely high or low temperature objects, please
3. Please use the thermometer in a stable temperature environment.
When the ambient temperature fluctuates greatly (such as from
indoor to outdoor), please leave it for ten minutes to measure.