Transformer – VTech IS7121_-2-22 Installation User Manual
Page 14
4
If you already have a wired doorbell installed, follow the
instructions below to install your new
IS7121 doorbell unit.
Turn off the power supply to the existing wired doorbell.
Follow Step through Step 5 in
Doorbell wall mount
installation from pages 8 to 0.
Insert a cross-head screwdriver to the side of the battery
compartment on the right, then twist and lift to loosen the
screw and the metallic plate. Using a wire, slide one end of
the metal part of the wire underneath the metallic plate, then
twist the screw to secure. Connect the other end to
the transformer.
1.
2.
3.
Installing the doorbell with an existing wired
doorbell (optional)
Transformer
Transformer
View
Right
Angle
Adjustment
View
Left
Transformer
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