Power
Depending on your model you may have either a battery holder for AAA or
AA batteries, or a built in LiPo power system. To monitor the battery power, the
battery voltage will be indicated top right in the display when the main menu is
activated. Values over 4.9V will indicate that the instrument is powered over
USB, and below that it will indicate it as battery voltage. Normal voltage for a set
of new alkaline batteries will be about 4.6V. The value will drop as the batteries
are being used, giving a hint of the current battery condition. Below 3.8V they
are due to be replaced, and the indicator will say BAT LOW. If you are using
NiMH rechargeable batteries or the optional LiPo built in rechargeable battery,
change the battery type setting in the EXTRAS menu to corresponding type.
This will set the right threshold value for BAT LOW indication (3.6V for NiMH
and 3.7V for LiPo). Going into the ABOUT menu, you will also see the set
battery type and a rough approximation of remaining battery percentage.
To replace alkaline or NiMh batteries, make sure the NuEVI or NuRAD is
switched off and disconnected from USB or DIN MIDI, then unscrew the
frontmost thumbscrew on top of the controller and loosen the one at the back
of the battery compartment slightly. Slide the lid forward and lift it off the
controller. Replace the batteries (3xAAA or 3xAA depending on model, alkaline
or NiMH) and slide the lid back in place. Get the front thumbscrew in place first,
then tighten both screws. Only finger gripping power should be applied. Do
not use pliers or similar tools or you will most certainly scratch the plastics of
your instrument.
For the LiPo system, here’s the deal. First of all, LiPo batteries can be really
nasty if you do bad stuff to them, so don't ever puncture or otherwise put the
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