Kidde 2070-VDSR User Manual page 15

To activate the battery carrier tamper resist feature, remove the unit from
the mounting bracket, and locate the small cut-out in the middle of the
label on the back of the unit. With a small screwdriver, or similar tool, slide
the switch towards the the "LOCK" position as shown on the label (see
Figure 8-F). The tamper resist feature is now active and the battery carrier
can not be opened until the tamper resist feature is deactivated.
NOTE:
Before activating the battery carrier tamper resist feature, make sure
Figure 8- F
a fresh battery is installed in the unit and that the battery carrier is properly
closed. If the battery carrier tamper resist feature is activated while the
battery carrier is open, the battery carrier will not close and the unit will be inoperable.
To deactivate the battery carrier tamper resist, in order to change the smoke alarm battery, remove the unit
from the mounting bracket (see Smoke Alarm Tamper Resist Feature if activated), and locate the small cut-out in
the middle of the back label. Using a screwdriver, or similar tool, slide the switch in the opposite direction of the
"LOCK" arrow as shown on the label. The battery carrier can now be opened and the battery changed.
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