Due to continuing product development, specifications are subject to change
without notice.
Stop/Start Button Actions
Action Results Notes
Press GREEN button. Starts logging. In telemetry mode, also starts sending data.
Press RED button. Stops logging. Data retained in memory. Logger cannot be re started
until data downloaded. Red LED flashes every 5 s to
warn of data in memory. If in telemetry mode will
also send ‘end of run’ signal to end real-time run.
Press GREEN and RED
buttons together, and
hold for 3 seconds.
Turns logger
off.
Data retained in memory.
Press GREEN button
after downloading data.
Starts logging. Last re-set conditions (sampling interval, probe
selection, etc.) used as default.
Logger LEDs
The logger is equipped with two sets of LEDs: two LEDs show the status of the
battery, and two show the status of the logger and its memory.
Battery Status LEDs
Yellow Red Meaning
Flashing every
5 seconds
Off Battery is at 20% or less of maximum charge, and charger not
connected.
On On Battery on fast charge.
On Off Fast charge complete, or
Problem with battery – cannot be charged.
Off Off Charger not connected, and battery at more than 20% of
maximum charge.
On Flashing once
per second
Battery being preconditioned due to being too hot, too cold
or too deeply discharged (see p. 15).
Flashing
rapidly for
2 seconds
Off Battery level extremely low. See p. 15.
12 Specifications and Operation DATAPAQ XDL12
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