User Manual
www.SereneLifeHome.com6
4.2 Battery replacement
When the low battery icon ” ” appear on
the display, replace the battery as soon as
possible. Replacing step is similar to the
installation. The batteries used in the
infrared Thermometer are two AAA
batteries. Either rechargeable or non-
rechargeable batteries can be used in
the thermometer. Dispose of the expired
batteries in accordance with local environ-
mental policies to avoid the irreversible
pollution.
5. Operation
5.1 Measurement Operation
Read this user’s manual carefully before
use, and make sure the battery is properly
installed. Pull and release trigger to turn
the thermometer on. The device will run
a self-test and all symbols on the display
will shortly appear. The device will default
the last mode used. To measure the body
temperature, make sure the “Body temp”
icon is on. If not, press mode switch button
to turn it on. Then aim the infrared lens at
the individual’s forehead, holding the
thermometer approximately 3-5cm away.