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2
Appearance
Preparing the Device
Use the Phillips screwdriver to loosen the back cover screws, open the
case and place the CR123A 3.0v battery as shown in Figure 1
。
(CAUTION: Do not reverse the installation of the battery, and the battery
is a disposable non-rechargeable lithium battery, do not use the charger
to charge)
Fig1. Battery installation
No.
Description
1
LED Indicator
2
Buzzer
3
Up
4
Down
5
CR-123A 3.0v battery
+
-
overturned
Loosen the back cover screws
1
2
3
4
5