User manual

RF Explorer User Manual page 19
Charging the internal battery
You charge it by plugging it in to a powered USB port or USB wall-wart charger via the USB mini socket. For
the internal charger to access the battery, you must set the power switch to ON position, otherwise the
device will be running but will not use the battery at all nor charge it.
RF Explorer Signal Generator may draw up to 500mA according to USB standard, and may take up to 3hs max
to charge a fully discharged battery in normal conditions. We recommend the first time to be charged for up
to 8hs.
It is ok having the battery connected forever to the USB port, the internal charger will stop and start the
charge when needed.
If your USB port is unpowered it may not be capable of delivering more than 100mA; the battery may not be
charged at all. If you have no other option available than a 100mA USB port, set the LCD backlight to OFF in
the OPTIONS MENU and keep charging for as long as needed (it may take up to 24hs in these conditions so
you should use a powered USB port whenever possible).
Charging a fully depleted battery
The firmware includes a protection mechanism to shutdown everything if the battery goes too low, in the
range of 3.3V or less. However, this will still keep drawing about 1mA from the battery so if you keep the
IMPORTANT
Never charge your device unattended or in any place where there is a risk of fire.
Never store RF Explorer in a place where temperature may go beyond 50ºC (122F).
A car can heat up incredibly quickly in the sun, especially in the summer, and
damage or reduce the lifetime of your battery if stored in such an environment.
If you manipulate RF Explorer to assemble an Expansion Module, always proceed
very carefully with the Lithium Ion battery and make sure it is not punctured,
damaged or inflated in any way. A healthy battery is a flat rectangle with no signs of
any deformation. If you have any doubt, please take a picture of your unit and send
it to us for further help.
If your battery doesn't seem to hold a charge or work properly, or if the unit gets
hot when charging, switch the power button OFF immediately and review and/or
replace your battery.
Never use RF Explorer with a damaged battery or with a Lithium Ion battery
different than the one officially supplied by technical service, which includes a
protection circuit for safety. Contact [e-mail] if you have any
question on any matter related with your battery or if you need a replacement.