User`s guide
A2 Description
A2.1 Front panel controls
• Power switch: A green LED indicates when the power is ON.
Figure A 3 Controller’s front panel: shutter control
• Shutter Control (Figure A3): LEDs 1 and 2 indicate the state of shutters
1 and 2 respectively. An illuminated LED corresponds to a shutter
Open state.
• AUTO/OPEN Switch (Figure A3): When set to AUTO, the state of
shutters 1 and 2 is controlled by the computer. When set to OPEN,
shutters 1 and 2 are in the open state regardless of the state requested
by the computer.
UltraScan User’s Guide Reference Series Rev 1.0 IV