Gigahertz Solutions NFA 30M Operating Manual page 7

USB Socket
4.6
Computer interface connection: Used for meter configu-
ration with NFAsoft. (USB 1.0) Please connect and dis-
connect the USB-cable only while the NFA is switched
off!
Please note: for the time being the USB connection works for windows and Linux only!
4.7 Charging Socket
15 V = charge
1 2 - 1 5 V
12 V = measure / log
Over the DC cables that connect the instrument with the
AC adapter, in certain situations the measurements can be falsified
through stray LF signals or RF overcoupling. There are two options to
avoid these falsifications:
the use of ferrites (of which we offer a low-cost do-it-yourself solu-

tion ("EDY").
the use of a 12 V external battery (motorcycle gel battery (no lith-

3
ium! ), we have configurated a universal connecting cable for you
("BAK-U").
4.8 "∧" and "∨" buttons
If the AC/DC input is in use, you can toggle between this and the mag-
netic field measurement with these buttons.
3
Extensive testing with classical power banks and lithium polymer batteries for flight
models showed disappointing results.
© Gigahertz Solutions GmbH
- 5 -
Made in Germany
April 2020