Investigation Procedure
Nexam Pro User Manual
41
The WPU communicates with the computer via a wireless Bluetooth
connection, using a
Bluetooth Smart Long-Range USB dongle (BT-SLR
dongle)
.
Figure 2.24
Bluetooth Smart Long-Range dongle
The WPU module is powered by one battery (type AA alkaline 1.5 Volt). Install
or change the battery by removing the rubber cover of the battery
compartment (at the back of the WPU) by pressing on the cover, forcing the
small tab upward, which can be used to remove the cover. Insert the battery
while noticing the polarity instructions as displayed in the battery compartment.
Figure 2.25
Change battery
Battery lifetime depends heavily on
- battery quality
- BT environmental conditions
- number and length of investigations
A good quality alkaline battery of 2,600 mAh will last two months, based on 25
investigations of 20 minutes per month.
Optionally, the WPU can also be connected to the measurement system with
an MMS-bus cable. This may be necessary in case of radio frequency
Press
Pull
Remove
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