Ergonomic Requirements

User Friendly

• Audio/Video quality parameters (frequency range, frequency response, resolution, color endering, etc.)
• User friendliness and usability
• Benchmark tests of perfomance and effectiveness  

Energy Saving

• Energy consumption and energy efficiency
• Light properties (output, color reproduction, etc.)

Ergonomics

• Properties of the design, size, format
• Image quality (luminance, contrast, character presentation, geometry, anti-reflection, color presentation, flicker, convergence, pixel faults, etc.) presentation
• Design and content of instruction manuals
• Mechanical robustness, durability, long-term behavior  

Low Radiation

• Low radiation, electrical and magnetic emission 
• Transmission and reflection characteristics