GDD Instrumentation MPP3wifi Instruction Manual page 16

If the readings do not appear, see Section 15 – Troubleshooting.
Instrumentation GDD inc.
8. Once the setting is completed, come back to the main
screen, keep the end of the probe far from metal objects
(point it towards the sky) and initialize it by clicking
INITIALIZE.
9. The reading screen appears. You are ready to take readings
according to the reading mode you chose (see Section 11 –
Reading modes).
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