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In a vision mixer you can have as many inputs as you want like microphones, VIR, DVD and HDD. And you have one output out of the vision mixer. In a audio mixer there is always one output with inputs like MICs and CD player. Audio and vision mixers have many inputs but only one output. They have several controls for these.
In a lighting grid every light has its own number so can be individual changed on the lighting desk. Soft lights are used to fill and they have barn doors, small spot lights are hard light. The floodlight has no barn doors are used to light scenes and is hard the control. Black curtains are used to stop other light bouncing about.
The MIC is a analogue which the sound of it goes into the STOB box which is Studio Termination Outlet Box the output of the STOB is a weak signal which goes into the Audio mixer which is also a analogue. You can put other inputs into the audio mixer like a CD which has a strong signal. The output of the audio mixer is a line level and goes into the DN-300 HDD and that is digital signal and it is what recorders the video. MIC level is a weak level and line level is a strong level. The audio desk can take both levels. 12 MIC inputs is the max and four level line inputs. Analogue can handle signal louder than it should. Digital can’t handle any louder signal it can handle.
The VU meter has the colours red, orange and green. Digital signal can’t got to the red. VU meter is measured in dB and it goes up and down in -3 to infinite.
To move camera left or right its called crab. To move camera back and forward it is track. Pan is move the camera sideways and to move camera up and down its tilt. Also the light above the camera is called a tally light.