This mode should automatically be activated when the primary power supply fails. The pitch illuminance system should switch to MCM and perform at or above the minimum standards specified for the relevant UEFA level.
In terms of illuminance uniformity, U1 must be greater than 0.5 on the horizontal plane and 0.4 on the vertical plane. It is not considered necessary to evaluate U2 for the MCM.
The MCM is essential and should be part of the design. For this mode to operate successfully, the power supply and other power supply options available must be carefully considered during the design process.