5MSU operation panel1568910111272 34181920212524272223282932 303326141317 15 1637353634311. Power LED [POWER]This lights up green when the power is turned on.For details on the power input connector connections,power switch and cable connections, refer to page30.2. Alarm LEDs [ALARM]These LEDs light when optical transmission is notproceeding satisfactorily or when a problem has occurredin the CCU power supply.Lighted green: Normal, optical reception strengthlevel 5Lighted orange: Optical reception strength level 3 to 4Lighted red: Cable trouble, optical receptionstrength level 1 to 2Off: Failure to connect CCU, CCU powerOFF3. Tally LEDs [TALLY]The LEDs in the top row are the red tally indicators, andthe LEDs in the bottom row are the green tally indicators.The tally LEDs are aligned in the numerical order of thecamera numbers.4. Camera selector switches [CAMERA]These are used to select one camera and one CCU asthe pair which is to be controlled by the MSU.A camera is selected by pressing the camera selectorswitch with the same number as the camera to beselected (its lamp will light). The selection is releasedby pressing the camera selector switch of the selectedcamera (its lamp will turn off).When a camera selector switch is pressed, the MSUsettings (such as the switch lamp lighting and selection)are performed using the information on the settings forthe camera concerned.The details of the functions given below apply when oneor more camera selector switches have been selected.Parts and their functions