Accessory code 9835 Light Equalizer Ambience 9835: Light Equalizer Ambience Attention! Code no longer in production Technical description: 10-button keypad. Used with the Central panel only. Installation on standard 503 box (not included) - Manual: manual dimming of luminous intensity (Lux) and colour temperature (K) - Natural: manual dimming of light intensity (lux +/-) and colour temperature (K +/-) corrected within the Kruithof curve - ON/OFF set point for regulation with light sensor - General On/off Colour: Grey (15) ENEC