Opticon H21 User Manual page 18

CAUTION!: To avoid injury during the following step, hold the device in front of you and direct the
force away from your body.
Step2:
Hold the stylus in your hand and the device in your opposite hand.
Insert the stylus into the groove closest to you (A).
Push the stylus in an upward motion to separate the battery cover from the device (B)
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