BLUETOOTH led (blue):
Once you have connected the receiver with the handheld, this led will switch on.
Fig 2.11 - S8 bluetooth led
INTERNAL RADIO led (green):
This led is on when UHF internal radio is selected as RTK datalink.
It is blinking when is transmitting data in base mode or receiving data in rover mode.
Fig 2.12 - S8 internal radio led
GSM/GPRS led (green):
This led is on when GSM/GPRS module is selected as RTK datalink. It starts to blink when
there is data transfer ongoing ( download in rover mode and upload in base mode).
Fig 2.13 - S8 gsm/gprs device led