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Getting started – VTech IS7121_-2-22 Manual User Manual

Page 26

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Getting started

21

Option 2: Ring the rear doorbell of the existing wired doorbell and the IS7121

doorbell simultaneously.

Installing the doorbell with an existing wired doorbell

If you do not connect domestic power supply nor install AA batteries to

the IS7121 doorbell, only the existing wired doorbell will ring when being

pressed.

Follow Step 6 to Step 7 in

Doorbell installation on page 17 to complete

the installation.

5.

View

Right

Angle

Adjustment

View

Left

Chime/buzzer of wired doorbell

Transformer

Rear Trans Front