For the computer-based control room, the overall general illuminance levels in the control room should be capable of dimming from the maximum illuminance supplied by the lighting system down to a minimum value of 200 lux (18.6 fc). If no significant paperwork tasks are required, the dimming control minimum value may be lower.
Additional Information : High-frequency dimming control devices should be used to avoid flicker.26 11064-6, 1472G
© ISO. This material is excerpted from ISO 11064-6: 2005 with permission of ANSI on behalf of ISO. All rights reserved.