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ADDITIONAL INFORMATION
been idle for a time, always disregard
the results following the initial 14-to-
one countdown, as well as the next
three 6-to-0 countdowns.
• The “SAT” (saturation) message feature
prevents the unit from displaying inaccu-
rate %BAC readings in the case of sensor
saturation by contaminating agents. For
example, saturation often occurs when
excessive alcohol moisture is deposited
on the sensor from multiple consecutive
uses, or by the accumulation of air con-
taminants on the sensor after a long
period of inoperability, such as upon first
use. In such instances, the unit requires
additional warm-up cycles to properly
recondition the sensor
.
• If the low battery indicator flashes then
remains on, replace the batteries.
• The
AlcAlert
Model BT5500 includes a
backlight. The backlight turns on and
off automatically.
• Always blow into the unit in a consistent
manner. Different blowing conditions
may produce different results.
• Your unit is more accurate when your true
blood alcohol concentration is between
