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Parts and their functions
MSU operation panel
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1. 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 not
proceeding satisfactorily or when a problem has occurred
in the CCU power supply.
Lighted green:
Normal, optical reception strength
level 5
Lighted orange: Optical reception strength level 3 to 4
Lighted red:
Cable trouble, optical reception
strength level 1 to 2
Off:
Failure to connect CCU, CCU power
OFF
3. Tally LEDs [TALLY]
The LEDs in the top row are the red tally indicators, and
the LEDs in the bottom row are the green tally indicators.
The tally LEDs are aligned in the numerical order of the
camera numbers.
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35
37
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4. Camera selector switches [CAMERA]
These are used to select one camera and one CCU as
the pair which is to be controlled by the MSU.
A camera is selected by pressing the camera selector
switch with the same number as the camera to be
selected (its lamp will light). The selection is released
by pressing the camera selector switch of the selected
camera (its lamp will turn off).
When a camera selector switch is pressed, the MSU
settings (such as the switch lamp lighting and selection)
are performed using the information on the settings for
the camera concerned.
The details of the functions given below apply when one
or more camera selector switches have been selected.
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