Which code denotes Call on control stick relay?

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Multiple Choice

Which code denotes Call on control stick relay?

Explanation:
In signaling practice, relay function codes are formed to clearly identify what action a relay performs. For the call-on action that comes from a control stick, the three-letter code uses C for Call, O for On, and S to indicate Stick (the relay associated with the control stick). This combination—Call On Stick relay—uniquely denotes the signal path that is activated when the control stick is used. The plain Call On code would be CO, which doesn’t specify the stick relay aspect, and other codes like CG or CH refer to different devices or actions in the system. So COS is the best choice because it specifically designates the Call On function associated with the control stick relay.

In signaling practice, relay function codes are formed to clearly identify what action a relay performs. For the call-on action that comes from a control stick, the three-letter code uses C for Call, O for On, and S to indicate Stick (the relay associated with the control stick). This combination—Call On Stick relay—uniquely denotes the signal path that is activated when the control stick is used.

The plain Call On code would be CO, which doesn’t specify the stick relay aspect, and other codes like CG or CH refer to different devices or actions in the system. So COS is the best choice because it specifically designates the Call On function associated with the control stick relay.

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