Preco Electronics, Inc.
415 N. Maple Grove, Boise, ID 83704 (800) 453-1141
Copyright 2003
Page 2 of 10
370-894-1B
within the detection zone. All connections to a vehicle are accomplished at the sensor. Power
is obtained from the vehicle reverse lights and a relay contact is provided for operating a back
up alarm. The connection to the display unit is through a watertight connector eliminating any
potential problems with pin corrosion. Power to the operator display is provided through the
sensor interface to the display. The sensor RF output is pulse modulated so that it will not
interfere with similar devices.
Operator Display Description
The operator display provides the vehicle operator with both visual and audible indications of a
detected object. Range to the detected object is provided with five LED’s. In the 15 and 20
foot models (SPV2015 and SPV2020) each LED represents approximately 1/5
th
of the total
range. In the 10 foot model (SPV2010) all of the LED’s illuminate whenever an object is
detected. The display unit also contains a buzzer to provide an audible alert that will increase
in rate as an object becomes closer, providing the operator with another cue that an object is
being detected.
The operator display continuously monitors communication from the PreView
tm
sensor and in
the event of a system failure or malfunction will notify the operator with a fault indication
A buzzer volume control switch is provided on the front panel of the display allowing the
vehicle operator the ability to adjust the buzzer volume to three different levels.
Item Description
Green Power ON Illuminates continuously after power is applied to the system. The
power ON LED will blink quickly if a system malfunction occurs.
Range
Indications
Illuminate to give operator a relative distance measurement to the closet
detected object. LED’s operate from the right to the left, with the closer
an object the more LED’s illuminated.
Buzzer
Sounds audible tones to alert operator of obstacles. The buzzer tone
rate will increase as the vehicle gets closer to an object.
Volume Control
Switch
This momentary push button switch allows three different buzzer volume
levels to be selected as well as providing the capability of turning off the
buzzer.
Volume Control
Button
Buzzer
Green Power On
Range Indications
5 Zones
