External Controls and Connectors
A) USB connector (data and power)
B) Voltage adjustment potentiometer (CW to increase)
C) Pulse length adjustment potentiometer (CW to decrease)
D) Amplifier volume potentiometer (CW to increase)
E) Combination Jack Plug TS - TRS - TRRS
F) BNC detector signal Input
G) SHV high voltage detector bias
There are two dip switch settings under the GS-USB-PRO, one selects
between single and two wire detectors and the other changes the
function of the jack plug from Tip, Ring, Sleeve (TRS) Jack to Tip, Ring,
Ring, Sleeve (TRRS) jack.