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Velleman SPBS2 Manual

Reversing sonar

Table of Contents

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1. Introduction

Thank you for buying the SPBS2 reversing sonar. This device will enable you to keep from

bumping into other cars when parking : the SPBS2 provides you with an audible warning when

your vehicle approaches an obstacle e.g. the vehicle parked behind yours.

Install the device in accordance with the instructions in this manual.

Operating voltage : DC 12V

Operating principle : the device uses ultrasonic waves to measure the distance to the object

There are three alarm zones :

Important remark : The sensors are mounted on the body of your vehicle and obviously

Some objects may be difficult to detect : sloping or thin objects, shrubs, etc.

SPBS2

SPBS2 – REVERSING SONAR

behind your vehicle.

This product has the same characteristics as a safety alarm. The device

will detect the object behind your vehicle as you soon as you put the latter

into reverse.

distance to target

90cm - 65cm

65cm - 40cm

40cm - 20cm

ignore the breadth of the rear bumper when measuring the distance

to the nearest object. Keep this in mind when backing up.

alarm sound

long beeps

short beeps

continuous beep

Table of Contents

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Page 1 SPBS2 – REVERSING SONAR 1. Introduction Thank you for buying the SPBS2 reversing sonar. This device will enable you to keep from bumping into other cars when parking : the SPBS2 provides you with an audible warning when your vehicle approaches an obstacle e.g. the vehicle parked behind yours.
Page 2 4. Possible Problems • other sources of ultrasonic sound e.g. car alarms may cause the SPBS2 to malfunction • parking on gravel roads, bumpy roads, sloping roads • exposure to the hot rays of the sun or to freezing weather •...
Page 3 Connect the buzzer with the main unit's no. 1 connector. Note that additional sensors (SPBS2/SENS) can be connected. However, these are NOT included (see fig. 4 on p. 2).