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from the transmitter. This reflects the beam back to the receiver to
complete the protection circuit. The beam is interrupted when a person
walks through it, causing the alarm to trigger and sound an audible warning.
The beam is produced by a LED, which has a much greater lifespan and is
less susceptible to surge and vibration damage than a tungsten filament
lamp. The receiver is only sensitive to the frequency of the modulated light
in the beam.
Notes
•
It is recommended to use this device indoors. Rain drops and
condensation may influence its operation.
2. Safety Instructions
Keep the device away from children and unauthorised users.
There are no user-serviceable parts inside the device. Refer to an
authorized dealer for service and/or spare parts.
3. General Guidelines
Refer to the Velleman® Service and Quality Warranty on the last pages
of this manual.
•
Familiarise yourself with the functions of the device before actually
using it.
•
All modifications of the device are forbidden for safety reasons. Damage
caused by user modifications to the device is not covered by the
warranty.
•
Only use the device for its intended purpose. Using the device in an
unauthorised way will void the warranty.
•
Damage caused by disregard of certain guidelines in this manual is not
covered by the warranty and the dealer will not accept responsibility for
any ensuing defects or problems.
4. Overview
Refer to the illustrations on page 2 of this manual.
Connection diagram
1
Wireless Retro-Reflective
V. 01 – 17/03/2023
Keep this device away form rain, moisture, splashing and
dripping liquids.
Keep this device away from dust and extreme temperatures.
Protect this device from shocks and abuse. Avoid brute force
when operating the device.
PEM7DW
6
Mounting bracket
6
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