Troxler 4640-B - Marshall;Voidless Density Parameters; Taking a Reading

MARSHALL/VOIDLESS DENSITY PARAMETERS
Input the target density prior to taking a measurement. Press
〈MA/VOIDLESS〉 for the display:
MA: xxxxx PCF
VD: xxxxx PCF
Do you want
to change?
Press 〈YES〉 and input any target Marshall and voidless density
values.
NOTE
The “voidless” density is the maximum theoretical
density obtained in laboratory tests.
TAKING A READING
3. OPERATING THE GAUGE
For added user safety, the source rod on the 4640B gauge retracts to
the SAFE position when the gauge is picked up by the handle.
Place the gauge over the test site. Release the gauge handle and
push it down until the handle is resting on top of the stop pin.
Press 〈START/ENTER〉:
MA: xxxxx PCF
Thick: xxx in.
Avg: xx
Time: xx secs.
Model 4640-B 3–15