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Glossary
Glossary
123
P-32+ and P-32 Operator’s Manual P/N: 1001547-01
J
Joint Matcher
See Automatic Level Control
L
LCD
Liquid crystal display. LCD is used in the display window on the Control Box to show numbers and symbols for
Paver control functions.
LED
Light Emitting Diode. These are the red lights seen on the faces of the Control Box, ST-3, Sonic Tracker I I and
Laser Tracker.
Line of Shear
The lateral line of contact in the paving material at the leading edge of the screed pre-strike-off where material
divides to pass beneath the screed plate or moves upward along the face of the screed into the augured material
for later placement.
M
Mat
The material being placed by a paver/ finisher.
N
Null
A condition which exists when components are at rest.
“Null” Screed
A screed resting flat on the mat and having no angle of attack.
O
On-Grade
When a surface is at the desired elevation or slope, it is referred to as being On-Grade.
Overlay
Paving over an existing mat.
P
Paddle Box
The sensing device used with automatic feed control to measure and control the head of material.
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