ACS ALCOLOCK LR, Installation Manual

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Installation Manual
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Appendix 2: Glossary
accepted breath sample: A breath sample that fulfills the requirements for volume,
flow, exhalation time and other considerations such as human recognition (e.g.,
humming). The acceptance of the breath sample is independent of alcohol
concentration.
accepted breath test:
An accepted breath sample with a BrAC below the preset limit.
alcohol interlock: A device that prevents a vehicle engine from being started until an
accepted breath test is presented.
alcohol interlock program: A structured activity in which the client is enrolled during
a period of license restriction or probation, during which the alcohol interlock is
installed in the client’s vehicle, and for which there are requirements for monitoring
of the activity, periodic servicing of the alcohol interlock, and completion of
compliance reports to the administering authority for the program.
BrAC:
Mass concentration of ethanol in a breath sample, used to measure a person’s
level of alcohol intoxication.
blocked state: State in which the alcohol interlock is inhibiting the vehicle’s engine from
being started.
bypass: Starting of the vehicle engine without providing an accepted breath test or
using an emergency override.
calibration: The process of comparing a breath alcohol test from an alcohol interlock
device to a reference standard, then setting the device to meet the reference
standard. Calibration is periodically required to maintain breath alcohol test
accuracy.
circumvention: An attempt to bypass an alcohol interlock, whether by providing
samples other than the natural unfiltered breath of the driver, starting the vehicle
engine without using the ignition switch, or any other act intended to start the
vehicle without first providing an accepted breath test.
Download Station (DS): A device, produced by ACS, which downloads and analyzes
the alcohol interlock event log.
DTS (Digital Tach Sensor):
A device, produced by ACS, installed from the ECU to a
location under the hood, to provide a tach value for the alcohol interlock. A DTS is
used when the tach signal wire cannot be found or the tach signal is weak.
electronic control unit (ECU): Part of the ALCOLOCK LR device, connected with the
vehicle power and control circuits and to the HS.
emergency override code:
A reset code inputted into the alcohol interlock HS to move
the device from a blocked to an unblocked state.
exchange transaction (HS or ECU): Performed on ITE when an installed HS or ECU
requires replacement.
handset (HS): Part of the ALCOLOCK LR device that is used to conduct breath alcohol
tests and communicate with the driver.