BD BACTEC™ FX40 Instrument User’s Manual
76
• The instrument and tablet PC both return to Directed mode (normal operating state) from
Isolation mode when communication between the two is reestablished. During the transition,
data collected by the instrument while in Isolation mode is transferred to the tablet PC and
processed. Vial positivity is assessed at this time for all vials that are still in the instrument
when recovering from Isolation mode.
• Isolation mode will continue to collect readings until communications w
ith the tablet PC is
re-established. However, only the most recent five days’ worth of readings are maintained. It is
strongly suggested that an instrument not remain in Isolation mode for a time period greater
than five days. Failure to comply may result in Reading Gap errors.
• The time required to complete Isolation mode recov
ery will vary depending upon the number
of vials in the system and the length of time that the instrument was in Isolation mode.
Isolation Mode System Indicators
Indicator
Color
State Meaning
Pulsing Instrument is not communicating with the tablet PC
Green Off Both green and red system indicators are off while the
system is in Isolation mode, regardless of the presence
of positive or negative vials
Red Off
Isolation Mode Operation
Only the following operations are supported while
the system is in Isolation mode:
• Vial Examination: A vial can be pulled from its station
for examination. When a vial is pulled,
the station’s green indicator blinks. The blinking green indicator is intended to guide you to
return the vial to the same station, which allows data collection for the vial to continue. If you
pull a second vial (from a different station), or place a new vial into a different station before
the first pulled vial is placed back in its original station, the first pulled vial is considered to
have been removed from the instrument.
Be very careful when examining vials while the instru
ment is operating in Isolation mode. If a
removed vial is accidentally placed in a different station than the one with the flashing green
station indicator, the vial is treated as removed and a new anonymous protocol is initiated for
the vial in its new station. All data collected for the vial while in its original station during
Isolation mode is discarded. Even if the vial is later identified as the original vial, the lost data
will not be recovered and the bottle will have a data gap.
• Vial Removal: A vial can be removed
from the instrument by pulling it from its station and
closing the door, or inserting /pulling a vial in a different station. All data collected for a vial
during Isolation mode is discarded when that vial is removed. The instrument assumes that
you removed the vial to perform a subculture, and data collection by the instrument is no
longer required. Do not return any vial removed from an instrument while the instrument is in
Isolation mode to that instrument or any other instrument.
• Vial Entry: You can enter a new vial into any em
pty station. The instrument begins data
collection on the new vial and processes that data as an anonymous vial when the data is
uploaded to the main computer in Isolation Recovery mode.
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