the device is switched off, remove the 3 screws around the unit, pull on the
radome (be careful to do it vertically to protect the probe inside) and then pull
on the probe connector (not the tube) to remove it. Then attach a different
probe and close the radome.
4. POWER SUPPLY (SMART POWER)
MonitEM-Lab is equipped with an intelligent controller that allows it to supply
the main board and detect its working mode to make a reset in case of an
emergency.
Important: Always disconnect the device from the mains before
manipulating it, since some internal parts may be hazardous.
4.1 AC power supply
The device is powered directly from an external power connection. A regulator
transforms 110- 240V AC (50-60Hz) into 12V DC.
4.2 USB mode
This power supply mode can only be used to change the parameters of the
device. The USB powers the microprocessor and the SD card so that it can
read and change the device’s data. It is not a normal operating mode. It can be
very useful as an initial connection, since in this mode the device will not make
connection to the server and will allow adjustment of all the desired values
before starting up in normal mode.
Note: if the USB is connected before or just after the MonitEM-Lab is connected to
a power supply, the system will start in USB mode, since the power supply controller
takes 2–3 seconds to power up the device. To get back in normal mode you can press
the restart button of the software or completely switch off the unit.
User’s Manual
Electromagnetic Radiation Monitoring Device MonitEM-Lab P. 7
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