The dBm was first proposed as an industry standard in the paper " A New Standard Volume Indicator and Reference Level ".
22.
A reference level ( RL ) is expressed as an amount, derived by differencing a sequence of amounts over a period of time.
23.
A Home theater product that provides a reference level indication on the volume control can be expected to work well with movie soundtracks.
24.
In cases where this is not so, a few minutes with a signal generator to set the reference level are all that is required.
25.
When using a VU meter, the audio system is calibrated with a sine wave tone at a " reference level " for the system.
26.
Whenever the aircraft deviated from the base reference level, the autopilot adjusted for the amount of time that occurred between the changes in reference levels.
27.
BS . 645 defined three reference levels : Measurement Level ( ML ), Alignment Level ( AL ) and Permitted Maximum Level ( PML ).
28.
Whenever the aircraft deviated from the base reference level, the autopilot adjusted for the amount of time that occurred between the changes in reference levels.
29.
The sensors manufactured by Spectron Glass and Electronics provide gravity referenced level sensing, and have numerous applications in military, aerospace, construction, geotechnical, and industrial equipment.
30.
However, the present ambient concentrations of aldehyde, in S�o Paulo city are below the reference levels recommended as adequate to human health found in the literature.