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up red. This makes it easy to determine if the power is turn on or off to the
electronics box.
d. Control Box Front Panel Power Switch – Located on the front touch-panel of the
Control Box (see Section 4.1.8). When this power button is pressed, all the
digital displays will light up (indicating the power is on). It is important to note
that this power button can be pressed too quickly or too slowly. If the power
button is pressed too quickly, no response or a quick flicker of the digital displays
might be seen. If the power button is pressed and held down for too long, the
digital displays may flicker on/off quickly. This causes no damage to the system
and can be addressed by simply repressing the button at a more casual rate.
6) Now that the mapping scanner is fully powered up, drive the mapping scanner onto the
function test plate. Keep in mind that the scanner will need to be tilted back (via the
handle assembly) to keep the magnetic bridge away from the test plate until the
scanner is in the proper location to start a test scan. Once you have the scanner in the
proper location, the magnetic bridge can be lowered onto the plate (all four front
wheels should be touching the test plate).
7) Properly adjust the Sensor Bar. Using the two black wing nuts on the bridge cover plate
(see Section 4.1.1), lower the sensor bar until the bar rests on the surface. Tension each
wing nut and then add an additional one full turn on each to lift the sensor bar just
above the surface of the plate. Additional turns on each of the wing nuts can be made if
the sensor is scraping against the floor during inspection. It is important to minimize the
distance between the inspection surface and the sensor bar. At some point, the sensor
bar can be lifted high enough that it can miss small defects while scanning. This critical
distance varies based on a number of variables, so it is important that any changes
made to the sensor bar height during inspection are re-qualified using the function
test plate.
8) Open up the Mark III Real Time Display Software. With the computer powered up, using
either the Laptop’s Stylus Pen or your fingertip, double-touch the desktop icon labeled
“MKIII RTD.” This is the shortcut for the MFE Mark III Real Time Display Software. The
computer will ask for confirmation. Touch the “Yes” button to proceed. The real time
display should now be visible and taking up the full screen (with the exception of the
taskbar which should always remain visible). If you get a message that says “Device not
detected” then most likely the USB cable still needs to be plugged in. If you get this
message, you will need to restart the software before it will work properly.
9) Verify that all voltages are well above 12 volts. There are two voltage readout locations.
The voltage readout for the Motor Battery Box is located on the Control Box Front
Panel. The voltage readout for the Electronics Box is located on the Real Time Display.
A minimum of 12 volts is required to power each system. If the scanner is at rest and
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