General Ultrasound system requirements
Versana Balance – Basic Service Manual               System view    2-5
5808768-100 English Rev.9
2-2-2-4 Lighting
Bright light is needed for Ultrasound system installation, updates 
and repairs. However, operator and patient comfort may be 
optimized if the room light is subdued and indirect. Therefore a 
combination lighting system (dim/bright) is recommended. Keep 
in mind that lighting controls and dimmers can be a source of 
EMI which could degrade image quality. These controls should 
be selected to minimize possible interference.