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Placing the Boundary Flags
Test Mode
The BPU automatically goes to the Test Mode main menu when turned ON. The Test Mode allows you to
test potential boundary flag locations to make sure the flags meet certain requirements. If the flag location
is acceptable, a menu will display that the flag is good and provide an approximate range measurement.
Testing Boundary will not program your system.
If the flag is not acceptable, the BPU will display a message indicating why the location failed. For example,
the location could be too far away from the Transmitter, too close to the Transmitter, or may be in an area of
high signal distortion. Follow the display directions to test your Boundary Flag locations.
Boundary Flag Placement and Distance Verification
In order to verify that the maximum locations of your desired boundary
are within the range limits of the system, place the “corner” flags at the
minimum and maximum distance points of your desired boundary and
test these flags to verify that corner points are within the acceptable 15
feet to 90 feet range from the Transmitter. Once you have verified that
the corner flags are within the acceptable range, fill in the remaining flags.
The maximum number of flags the system can accept is 128. Flags within
30 feet of the Transmitter should be spaced approximately 3 feet apart.
Flags between 30 and 70 feet from the Transmitter should be spaced
approximately 4 feet apart. Flags greater than 70 feet from the Transmitter
should be placed 4 to 5 feet apart. Keep in mind that each flag must have
a unique radial line and the radial lines must not cross with one another
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6A
(See Installation Requirements on Page 8). It is recommended that you number the flags with a permanent
marker to assist in keeping track of the flag numbers when programming the boundary. The first flag should
be at the start of a partial boundary or can be anywhere on a full boundary. The numbering should increase
as you move in a CLOCKWISE direction around the Transmitter (6A).
Testing the Boundary Flag Placement
With the BPU in Test Mode, start at flag 1 and test each flag and verify that each flag is accepted before
moving to the next flag. The BPU will show the distance of each flag in feet from the Transmitter. As you
test the flags monitor the distance readings for changes that are significantly different from one flag to the
next i.e. greater than the actual distances between the flags. Large distance measurements between flags
or a group of flags can indicate possible problems with buried utilities or wires. If possible, avoid these
areas or modify the boundary to minimize the measurement differences observed between the flags. The
measurement distances between two adjacent flags should be equal to or less than the actual distance
measured on the BPU.
Programming the Boundary
This mode allows you to program the boundary you have just set up. You will need to select the type of
boundary that you will be using, Full or Partial. You will collect boundary data at each flag location in a
CLOCKWISE direction around the Transmitter. As in the TEST MODE, the range will be displayed if the flag is
accepted. Otherwise, an error menu will indicate what caused the location to fail. Follow all directions shown
on the BPU display. As a reminder the maximum number of flags is 128. Be sure to point the arrow on the
Receiver Mounting Bracket in a direction away from the Transmitter. While acquiring the boundary data at
each flag, the Receiver should not be moved.
Reference Point
Following programming of all of the flags the BPU will instruct you to move to your Reference Point location.
The Reference Point is a location that can easily be remembered and is permanent (i.e. a corner of a sidewalk
or driveway). The Reference Point must be located 20 to 90 feet from the Transmitter. This Reference Point
location is used to add multiple receivers to the system. Following the programming of the Reference Point,
the Boundary data is calculated, and is programmed into the Receiver. This programming may take several
minutes to complete.
Programming Complete
At the completion of the Receiver Collar programming, the BPU will display that programming is complete.
You may now disconnect the BPU from the Receiver Collar and turn the BPU off. When disconnecting the
BPU, the Receiver Collar will automatically go through the Ready Test Feature and into normal operation
mode. See Step 9 on page 14.
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