46 Access Sensor Technologies UPAS User Guide
UPAS App Lock to Hold Setup Parameters (Optional)
App LOCK prevents users from changing the programmed sample run parameters
without a special command. First, set all App parameters as appropriate. To
activate the lock, enter “APPLOCK#” into the sample name field. In a few seconds
the locked fields become gray, indicating they cannot be changed until the
settings are unlocked. To unlock the settings, connect to the locked UPAS and
enter “APPOPEN#” into the sample name field. The status of the lock is eternally
persistent, until changed using the App. The locked parameter fields are listed
below:
– Microenvironment zone recording on/off
–Flow Rate
–Flow Offset
–Duty Cycle
– Log interval (normally fixed at 30 seconds)
– Sample duration
– Start type
–LED on/off
– Log mode normal/debug
The log mode and LED status are considered one way lock fields. The fields are
grayed out, but when the UPAS is power cycled, the LED defaults to ON and the
log mode defaults to NORMAL.
The parameters which remain unlocked are:
– GPS logging on/off
– Start time setting
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