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Proper Use; Technical Description; Functional Description - Waeco MagicWatch MWE850 Montage- Und Bedienungsanleitung

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MWE-850-4DSM.book Seite 35 Mittwoch, 23. Mai 2007 4:35 16
MagicWatch MWE850
4

Proper use

MagicWatch MWE850 (item number: MWE-850-4DSM) is an ultrasonic
reverse warning system. When reversing, it monitors the space behind the
vehicle and provides an audible and visible warning signal for any obstacles
it detects.
Since MWE850 is designed merely as an additional aid for reversing, it does
not relieve you of the duty to take proper care when reversing.
MWE850 is designed for installation in cars.
5

Technical description

5.1

Functional description

MagicWatch MWE850 consists of four built-in sensors, a display for visual
warning signals, and a piezoelectronic speaker for audible warning signals.
The piezoelectronc speaker is fitted on the parcel shelf or boot cover. The
display can be mounted on the dashboard, on the rear view mirror on the
windscreen or on the boot cover.
It measures distances based on the echo time principle. The four sensors
constantly emit ultrasonic signals when you reverse.
The sensors contain both transmitters and receivers, and capture any ultra-
sonic signals reflected by obstacles. The distance to the obstacle is calcu-
lated using the echo time, and signalled by the speaker using a sequence of
impulse tones. The closer the obstacle approaches, the faster the succes-
sion of warning tones.
The DSM (digital signal memory) function creates a space profile during the
measurement, which records any small fixed objects (such as trailer cou-
plings). This means these are not signalled as obstacles. The system only
signals an obstacle when the space profile changes.
The display signals the position of the obstacle using two LEDs. A numerical
display shows the distance in 10 cm increments.
The sensors are installed on the bumper. The sensors may be painted.
WAECO recommends having the sensors painted by a specialist workshop.
Since the sensors are equipped with their own amplifiers, you can extend the
connection between the sensors and the controller to up to 10 m.
Proper use
35

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