• Switch ON the instrument.
• Start-up the PC.
• Choose LoRRca software program.
• Select <Hardware check>.
• Move the Bob down.

• Choose <Camera>
• Set camera gain at 250.
• Close the hood.

• Check the image:
  • OK: The instrument is now ready.

• Not OK: Misaligned
• Check position of the projection screen.

• Not OK: Driver failure.
• Update the camera driver. See Camera driver installation

• For basic version choose <LoRRca IO><Rinse cup>.
  The tubes are being filled.
  
• Dry BOB and CUP. Do not scratch the cup!
• For Osmoscan version choose <LoRRca IO><Prime all>.
  The tubes are being filled.
  
• Dry BOB and CUP. Do not scratch the cup!

Alignment of the projection screen:

• Use the hexagon key 2mm to loosen the projection screen holder.

• Align the projection screen until the black dot on the screen is aligned with the laser spot.
• Tighten the screws of the projection screen holder.