369) What is the difference between Analog dimmers and SCR Dimmers? 370) How many wires are used in the control cable to a 24 channel Analog light board? 371) What is the voltage range and type (Alternating Current, Direct Current, or Alternating Direct Current) of Analog Control? 372) How many dimmers can be controlled by a single DMX cable? 373) What is the difference between Lee and Rosco/Gam gel? 374) What color is Rosco/Lee 27? 375) Can you dim a Neon Lamp, if so which type of stage lighting dimmer is best for it? 376) Describe what a linear dimming curve is? 377) Describe what MIDI control is? 378) 1/2CTB Gel does what to lamp output? 379) What effect does a spot of oil on a frosted gel have? 380) On a two-scene pre-set light board, how do you control independent dimmers, and will moving the master effect them? 381) One point of change on a light board equals how much change at the dimmers? 382) If you have a three-count fade down on a manual board, do you count to three and fade, do you wait three seconds than fade, or do you do which of the above two counts while you are fading? 383) On a two scene preset board, how do you fade to a complete blackout while at the same time have one dimmer lag behind the others in rate of fade? 384) What is the purpose of a terminator on a XLR/DMX line? 385) What is the usual cause of a fixture ghosting in a system? 386) What was DMX designed to do, and what is it used for? 387) What size resistor is used in a terminator and why? 388) What is the purpose of an opto-splitter and how does it work? 389) When you hit the “Go-Back” button on a timed fade to cue, does it instantly go back to the last cue, or does it reverse the time to fade count? 390) In general practice, which component of a light board / dimmer system should be turned on first, and why? 391) How does a Auto follow work on a light board? 392) How does a scroller being controlled by light board choose what color to bring up? 393) What is the difference between a sub-master and a group master? 397) What is Last takes Precedence, and is this good or bad? 398) What is necessary to be done when using a Martin RS-485 standard controller on a Mac 500? 399) How many DMX channels does a Martin 600E in mode 4 require?