PreView® Wireless
Display
WD7102
Operating Manual
Proudly developed by
10335 W. Emerald St.
Boise, Idaho 83704
Phone 1.844.787.2327
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Warranty Information:
MANUFACTURER STANDARD LIMITED WARRANTY AND LIMITATION OF LIABILITY
Manufacturer warrants that on the Date of Purchase this Product will conform to
Manufacturer's published specifications for the product, which are available from
Manufacturer on request, and Manufacturer warrants that the product is free from defects in
materials and workmanship. This Limited Warranty extends for twelve (12) months from
the date of shipment. Manufacturer will, at its option, repair or replace any product found by
Manufacturer to be defective and subject to this Limited Warranty.
This Limited Warranty does not apply to parts or products that are misused; abused;
modified; damaged by accident, fire or other hazard; improperly installed or operated; or
not maintained in accordance with the maintenance procedures set forth in Manufacturer's
Installation and Operating Instructions.
To obtain warranty service, you must ship the product(s) to the specified Manufacturer
location within thirty (30) days from expiration of the warranty period. To obtain warranty
service you must call Preco Customer Service at 866-977-7236 or 208-323-1000, or fax
your request to 208-323-1034. Customer Service will issue warranty authorization and
further instructions. You must prepay shipping charges and use the original shipping
container or equivalent.
EXCLUSION OF OTHER WARRANTIES: MANUFACTURER MAKES NO OTHER
WARRANTIES, EXPRESSED, IMPLIED OR STATUTORY. THE IMPLIED WARRANTIES
FOR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY
EXCLUDED AND SHALL NOT APPLY TO THE PRODUCT. BUYER'S SOLE AND
EXCLUSIVE REMEDY IN CONTRACT, TORT OR UNDER ANY OTHER THEORY
AGAINST MANUFACTURER RESPECTING THE PRODUCT AND ITS USE SHALL BE
THE REPLACEMENT OR REPAIR OF THE PRODUCT AS DESCRIBED ABOVE.
LIMITATION OF LIABILITY: IN THE EVENT OF LIABILITY FOR DAMAGES ARISING
OUT OF THIS LIMITED WARRANTY OR ANY OTHER CLAIM RELATED TO
MANUFACTURER'S PRODUCTS, MANUFACTURER'S LIABILITY FOR DAMAGES
SHALL BE LIMITED TO THE AMOUNT PAID FOR THE PRODUCT AT THE TIME OF
ORIGINAL PURCHASE. IN NO EVENT SHALL MANUFACTURER BE LIABLE FOR LOST
PROFITS, THE COST OF SUBSTITUTE EQUIPMENT OR LABOR, PROPERTY
DAMAGE, OR OTHER SPECIAL, CONSEQUENTIAL OR INCIDENTAL DAMAGES
BASED UPON ANY CLAIM FOR BREACH OF CONTRACT, NEGLIGENCE OR OTHER
CLAIM, EVEN IF MANUFACTURER OR A MANUFACTURER'S REPRESENTATIVE HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Manufacturer shall have no further obligation or liability with respect to the product or its
sale, operation and use, and Manufacturer neither assumes nor authorizes the assumption
of any other obligation or liability in connection with such product.
This Limited Warranty gives you specific legal rights, and you may also have other legal
rights which vary from state to state. Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above exclusion or limitation may not apply to
you.
Any oral statements or representations about the product which may have been made by
salesmen or Manufacturer representatives do not constitute warranties. This Limited
Warranty may not be amended, modified or enlarged, except by a written agreement
signed by an authorized official of Manufacturer which expressly refers to this Limited
Warranty.
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Additional Options:
Custom System Configurations – Thanks to the advanced
engineering by the Preco Engineers, the technology behind
PreView Sensors can easily integrate or control your machines
existing or new safety systems.
FCC STATEMENT
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) this
device may not cause harmful interference, and (2) this
device must accept any interference received, including
interference that may cause undesired operation.
Warning: Changes or modifications to this unit not expressly
approved by the party responsible for compliance could void
the user’s authority to operate the equipment.
NOTE: This equipment has been tested and found to comply
with the limits of a Class B digital device, pursuant to Part 15
of the FCC Rules. These limits are designed to provide
reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and
can radiate radio frequency energy and, if not installed and
used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no
guarantee that interference will not occur in a particular
installation. If this equipment does cause harmful
interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try and correct the interference.
TRADEMARKS
The names of actual companies and products mentioned herein may be the
trademarks of their respective owners. Any rights not expressly granted
herein are reserved.
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Troubleshooting:
Display will not turn on:
Verify that DC power (9-33V) is applied to the display.
Verify that the display has a solid ground connection.
Display cannot find or connect to the wireless sensor:
Verify that DC power (9-33V) is applied to the sensor.
Sensor may be out of range. Contact Preco Electronics for
assistance.
“Not In Reverse” message is present, but machine is in reverse:
Verify display and sensor are configured properly, see page 6.
For installation method A (see page 2), verify reverse
connection has 9-33V present.
For installation method B (see page 4), verify sensor is powered
and communicating.
“Connection To Sensor Failed!” message is present:
Verify display and sensor are configured properly, see page 6.
Verify sensor is powered and communicating, see page 6.
There is a constant detection even if there is no object in the
machines vicinity:
Check for any objects on the machine that the sensor may be
detecting. Relocate the sensor so it does not see these objects.
If the detection is showing up in Zone 4 or 5, the sensor may be
detecting the ground. In an open field, either move the sensor
up higher or slightly angle the sensor upward 5 to 10 degrees.
The minimum recommended mounting height is 24 inches.
If you encounter any problems or have any questions during the installation and
configuration of this product, please call Preco Electronics at 1-844-787-2327
between 8:00 AM and 5:00 PM Mountain Standard Time.
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Specifications:
DISPLAY SPECIFICATIONS (Typical)
Housing Material: CYCOLOY LG9000, TILO 1310 TPE
Dimensions: 3.36”H x 3.60"W x 1.34"D (8.5cm x 8.4cm x 3.4cm)
Weight: 0.27 lb. (0.12 kg)
Mounting: User dependent, ¼-20 thread
ELECTRICAL SPECIFICATIONS
Input Voltage: 9-33VDC, over voltage protected to 150V
Input current: 0.1 amp maximum, inrush current limited to 1A
Polarity: Negative ground, Polarity protected to 150V
Power Connection: Three 26 AWG wires, connec t to ignition and/or reverse lamp circuit
Aux Output: Single 26 AWG wire, +33V tolerant
Active State: switched to ground, over current protected to 125mA
Inactive State: high impe dance
OPERATING CHARACTERISTICS
Detection Ranges: User adjustable from 10 – 20FT (3-6M)
COMMUNICATION
Wireless ZigBee 2.4GHz, IEEE 802.15.4 compliant DSSS baseband
Data Update Rate: 125 ms
REGULATORY COMPLIANCE
Compliant with FCC CFR-47 part 15.247
FCC ID: OXZWD7102
PIN SIGNAL NAME COLOR
1 CAN HIGH RED
2 CAN LOW GREEN
3 AUX OUT BLACK
4 MACHINE REVERSE BROWN
5 MACHINE GROUND ORANGE
6 MACHINE POWER YELLOW
7 SHIELD SHIELD
sink maximum.
Contents
Product Description: .............................................................. 2
Installation: ............................................................................ 3
Mounting the Display: ........................................................... 3
Configuring the Display: ........................................................ 4
Settings: ................................................................................ 4
Operation: ............................................................................. 9
Specifications: ..................................................................... 12
Troubleshooting: ................................................................. 13
Additional Options: .............................................................. 14
Warranty Information: ......................................................... 15
PRODUCT MANUFACTURED IN THE USA
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Product Description:
The Preco WD7102 is a robust touch screen display that communicates wirelessly to a
compatible PreView Wireless radar sensor. This display provides the machine operator
with distinctive and intuitive visible and audible alerts that indicate the detection of an
object. These alerts will change as the distance to the object changes.
The WD7102 display has a resistive touch screen that is designed to work through gloves
and light amounts of dirt and oil. Unlike smart phones and tablets that will not work with
gloves, a firm finger press is needed to make selections.
The WD7102 display features a unique “Touch to Silence” feature that allows the operator
to acknowledge and silence the audible alert simply by touching anywhere on the screen.
Although the communication between the WD7102 and PreView sensor is wireless, the
WD7102 and PreView sensor still require wired connections to the machine to obtain power
for operation.
Safeguard Instructions:
Please read the following cautions carefully before using this product. Following these
rules prevent users from potential harm caused by product misuse.
Caution:
o Electrical shock or damage to the product may occur if machine power
is not turned off during installation.
o Do not clean exterior with solvents as they may damage the product
and could potentially cause a fire.
o Do not mount the unit where it would be subjected to extreme vibration
or shock.
o Do not disassemble unit as it will void the warranty.
Connection to Sensor Failed Screen:
If installation method “A” (display wired to ignition and reverse) was used and the
sensor does not communicate with the display when the machine is placed into
reverse, the home screen will show a “Connection to Sensor Failed” (Figure 3.4) error.
If installation method “B” (display wired only to ignition) was used and the sensor does
not communicate with the display, the display will continue to show the “Not In
Reverse” message (Figure 2.2) as it relies on the sensor to tell the display when
reverse has been activated. In either case, if the machine is placed into reverse and
the system does not become active see the Troubleshooting portion of this manual.
Home Screen, Connection to Sensor Failed! (Figure 3.4)
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When the sensor reports a detection within the maximum detection range set in the
“Distance Alert Screen” (page 7), the check mark will be replaced by a yellow triangle
(Figure 3.2). The audible will also change to the “Warning” sound to notify you that an
object has been detected.
Active Screen, Warning (Figure 3.2)
The display provides three different warnings to the machine operator that change
based on the distance to the detected object. 1) The audible warning sound will
increase in rate as the machine gets closer to the detected object. 2) The yellow
triangle’s flash rate will increase in the same manner as the audible warning. 3) The
five zone boxes on the left side of the screen will continue to illuminate until all five
boxes are filled.
When the distance to the detected object reaches the close-in detection zone as set in
the “Distance Alert Screen”, the yellow triangle will be replaced by a red stop sign.
The audible will also change from the “Warning” sound to the “Stop” sound to notify
you that an object has been detected close-in.
Active Screen, Close Detection (Figure 3.3)
The audible warning can be silenced at any time by simply pressing anywhere on the
screen. The audible will not become active again until the detection clears.
The Home screen can be reached while the Active screen is displayed by executing a
long press on the screen. After pressing the screen for at least 1 second the message
on the bottom of the screen will change from “Hold & Release for Options” to
“Release”. Once the “Release” message pops up, release your finger from the screen
and the Home screen will be displayed (Figure 2.1). Follow the procedure shown in
“Configuring The Display” starting on page 2 to make any adjustments to the display.
If nothing is pressed and the machine is still in reverse, the display will revert to the
Active screen after 5 seconds. If you enter the Settings Menu and want the system to
return to the active screen, simply press the icon.
Installation:
Installation of the system requires up to three electrical connections – ignition power,
ground, and/or reverse. The reverse connection can be skipped if it cannot be found in the
cab as the display can be configured to receive the reverse signal from the sensor.
However, it is suggested for optimum performance that the display be directly connected to
reverse.
The first step is to determine the machine cab wiring option. The flow chart below details
the two display wiring options.
Mounting the Display:
Using the supplied RAM Mount™ components, select the best spot in the cab for mounting
the display. Since the display has the Touch to Silence feature, the display should be
within arm’s length of the machine operator. A typical mounting location is on the dash
where the display doesn’t inhibit the drivers’ view. More information and other mounting
options are available at www.RamMount.com.
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Configuring the Display:
Before configuring the display, the display and sensor (see sensor manual for sensor
installation instructions) must be installed and powered. When the display is powered up,
the Home screen will be present.
Home Screen (Figure 1.1)
Settings Icon
This screen allows access to the system settings and provides display information.
The Information icon provides access to the firmware, boot loader, audio file revisions,
the display’s serial number, and a short functional description of the system. To view the
system settings and configure the system, press the icon. To return to the Home
screen at any time simply press the icon. When in any of the sub-menus, the previous
screen can be reached by pressing the icon.
Information Icon
Settings:
Once the Settings icon has been selected the Enter Passcode screen will be visible as
shown below:
The default Passcode is 12345. Once the Passcode has been entered, press the ENTER
button to proceed to the Settings screen.
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Enter Passcode Screen (Figure 1.2)
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Operation:
Home Screen:
The Home screen is present when the display is powered and the system is not active
(Figure 2.1).
A couple seconds after power up, the display will show a “Not In Reverse”
message (Figure 2.2) until the machine is placed into reverse.
Home Screen, Generic (Figure 2.1)
Not In Reverse! (Figure 2.2)
Active Screen:
The Active screen is present when the machine has been placed into reverse and the
system is searching for objects in your blind spot. When the sensor is reporting and
there are no objects being detected the Active Screen will show a green check mark
and make a chime sound every few seconds to notify you that the system is working
properly.
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Active Screen, Clear (Figure 3.1)
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Brightness Screen (Figure 1.10)
Distance Alert Screen (Mandatory)
The Distance Alert screen is used to set the visual and audible warning
distances. The Distance Alert screen is entered by pressing the icon.
Adjust the slide bar to set the maximum detection distance; the available
range is between 10-20FT (3-6M). Adjust the slide bar to set the close-in
detection zone visual and audible alert range. This can be set to any value
greater than 2FT and up to 4FT less than the maximum detection distance.
Distance Alert Screen (Figure 1.11)
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Settings Screen (Figure 1.3)
Quick Guide to the Menu Icons:
Volume adjustment
Connect a sensor to the display
Change the passcode
Brightness adjustment
Adjust detection reporting ranges
System installation configuration
Volume Adjust Screen (Optional)
To adjust the volume, press on the speaker icon . Press and move the slide
bar until the appropriate volume is reached. Moving the slide bar to the left
reduces the volume and moving the slide bar to the right increases the volume.
The volume should be set where the display alerts can be heard above all in cab
noises. The volume setting is saved when the menu is exited.
Volume Adjust Screen (Figure 1.4)
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Wired Connection Screen (Mandatory)
In order for the system to operate as intended, the display must be told how it
was electrically connected during installation. The Wired Connection Screen can
be reached by pressing the icon.
As discussed earlier, there are two wiring options for the display. Select the
option that represents how the display was wired by pressing the corresponding
blue box.
Press the icon to finish the Wired Connection Setup.
Wireless Connect Screen (Mandatory)
In order for the system to function, the display must be told what wireless
PreView sensor to communicate with. To connect the display to the sensor,
enter the Wireless Connect screen by pressing the icon. If the sensor is
powered up and within range, it will show up on the screen like in the screen shot
below:
Sensor Serial
Number
Press on the blue box containing the desired sensor serial number to connect to
that sensor. After 2-3 seconds the display should connect to the sensor and the
on screen message will change to “Currently married to sensor XXXX” (see
Figure 1.7). If multiple sensors show up, choose the serial number that
corresponds with the last 4 digits of the sensor serial number on the same
machine as the display.
Critical: The sensor must be powered up in order for the display to see it!
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Display Wired Connection Screen (Figure 1.5)
Wireless Connect Screen (Figure 1.6)
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Wireless Connect Screen 2 (Figure 1.7)
If the display does not find any sensors to connect to (see Figure 1.8), verify the
sensor is wired correctly and powered up (machine should be in reverse). If the
sensor is powered up and the display still can’t find it, or is having trouble
connecting, please see the Troubleshooting section of this manual.
Wireless Connect Screen 3 (Figure 1.8)
Change Passcode Screen (Optional)
The Change Passcode screen is used to change the Passcode that grants
access to the Settings screen. As mentioned before, the default Passcode is
12345. To open the Change Passcode screen, press on the icon. The
Passcode can be changed to any combination of 5 numbers.
Passcode Screen (Figure 1.9)
Brightness Screen (Optional)
Press the icon to enter the Brightness screen. This screen is used to set
the default screen brightness. Press and move the slide bar until the appropriate
brightness is reached. Moving the slide bar to the left decreases the brightness
and moving the slide bar the right increases the brightness. The display will
automatically increase or reduce the brightness based on the ambient lighting.
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