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Chapter 4
Control, Indicators and Connections
This section defines the user controls, indicators and connections of the
Opal® system, and it is divided into two main sections: the Opal Head and
the Opal Electronics Module. Refer to Figure 4-1, Figure 4-3 and Figure 4-4.
Opal Head
Figure 4-1 shows the location of the controls and connections on the Opal
head. Their functions are described on the following pages.
M7 (1.5 µm End Mirror)
Pr1 (1.3 µm Operation)
Pr2 (1.3 µm Operation)
M1 Output Coupler
M7P (1.3 µm End Mirror)
P1 (Pump MIrror)
Pump Input
Residual Pump
Output (Opt.)
Signal Output
Idler Output
Servo Connector
Green Knob - Horizontal Adjust
Blue Knob - Vertical Adjust
Heater Controller Connector
N2 Purge Input Connector
N2 Purge Bleed Valve
Figure 4-1: Opal Head Controls and Connections
4-1