46 Access Sensor Technologies UPAS User GuideUPAS App Lock to Hold Setup Parameters (Optional)App LOCK prevents users from changing the programmed sample run parameterswithout a special command. First, set all App parameters as appropriate. Toactivate the lock, enter “APPLOCK#” into the sample name field. In a few secondsthe locked fields become gray, indicating they cannot be changed until thesettings are unlocked. To unlock the settings, connect to the locked UPAS andenter “APPOPEN#” into the sample name field. The status of the lock is eternallypersistent, until changed using the App. The locked parameter fields are listedbelow:– 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/debugThe log mode and LED status are considered one way lock fields. The fields aregrayed out, but when the UPAS is power cycled, the LED defaults to ON and thelog mode defaults to NORMAL.The parameters which remain unlocked are:– GPS logging on/off– Start time settingNOTE:
