Instrumentation GDD Inc. 2018-11-09
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2.
Install the GDD MPP software on your Android device.
This software is available on Google Play
(
https://play.google.com/store/apps/details?id=com.gddinstrumentation.gddmpp
).
3.
Turn and pull the cap of the battery holder, and insert 3 AA batteries into the probe.
Push and turn the cap to close it. Or, plug the wall external power supply in the power
jack.