Page 20 - tech book

Lighting
Lighting
technology technology has changed over the last last 20 years Conventional light bulbs are being chal- lenged by LED LED LED technology technology LED LED LED is is is is cheaper and longer lasting It isn’t at a a a a a a a a a a a a a a a a a a a a similar quality to a a a a a a a a a a a a a a a a a a a a bulb bulb bulb but is is is is is is slowly getting there These days all the the the lights I I I listed can either use a a a a a a a a a a a a a a a bulb OR a a a a a a a a a a a a a a a LED LED LED It is is is is important to understand how each type is is is is powered DMX cable DMX is serial data stream (information) used by desk to con- trol lights lights lights lights via dimmer
Lighting
desk controls a a a a a light on on each fader fader So in in in this instance as num- ber 1 fader fader (arrow) is is is pushed up the light which is is plugged into socket 1 1 on on dimmer
gets brighter We say this light light is is is patched to channel 1 1 on on on lighting desk The information is is is sent along a a a DMX cable A Dimmer is a a power supply that supplies more electricity to the the the light light as the the the fader on the the the light light desk is is pushed up Top is is is full power power bottom is is no power/off The plug plug cable is plugged into socket 1 on the the dimmer
We say the the light is patched to address 1 on the dimmer
Power cable