Vernier Original LabQuest - Manual (Page 25)

LabQuest Reference
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Hardware Keys on LabQuest
The front panel of LabQuest contains keys that allow you to perform many
tasks without a stylus. The Collect button duplicates the on-screen collect
button. The remaining buttons are:
• Escape. Dismisses a menu or dialog and takes no action.
• Screens. Cycles through the screens of LabQuest App.
• Menu. Pulls down the first menu available; to see additional menus use
the right arrow key.
• Home. Displays the Home menu.
• OK. Executes the selected action.
• Cursor keys. Use these arrow keys to move through a menu or between
menus, or to move the examine cursor across a graph.
The power button at upper left is used to place the LabQuest in a low-power state, and
to wake it from that state. The LabQuest is not completely off when in the low-power state,
and so the battery will eventually discharge when left in this state.
If you have unsaved data when you press the LabQuest power button, LabQuest App will
prompt you to either save or discard the data before turning off. Or, if you press and hold
the power button for more than five seconds, LabQuest will turn off, discarding any
unsaved data.
LabQuest protects your data in low-battery situations. Shortly before the battery lacks
sufficient charge to power LabQuest, LabQuest App will end any data collection in progress,
and save data to a temporary file. Later, when LabQuest is recharged and LabQuest App
restarts, you’ll be prompted to either open or discard the temporary file.
When LabQuest turns on, LabQuest App is restarted, cleared of any previous data or sensor
setup.
Care of LabQuest
LabQuest Battery
The LabQuest screen will dim after a few minutes of no use, even during data collection.
However, it will not turn itself off until the battery is almost discharged. No data will be lost,
as LabQuest App will save a backup file before shutting down.