In this Part—
In this Part, reference to taking part in proceedings means taking part in whatever capacity, including hearing the proceedings as a member of the court.
In the application of this Part in relation to a witness, a reference to taking part in proceedings includes attending those proceedings for a purpose preliminary or incidental to the giving of evidence.
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The following matters are to be disregarded for the purposes of the definitions of "live audio link" and "live video link" in subsection (1)—
the extent (if any) to which a person is unable to see or hear by reason of any impairment of eyesight or hearing;
the effect of any direction or order which provides for one person taking part in proceedings to be prevented by means of a screen or other arrangement from seeing another person taking part in the proceedings.
Nothing in this Part is to be regarded as affecting any power of a court—
to make an order, give directions or give leave of any description in relation to any witness (including the defendant or defendants), or
to exclude evidence at its discretion (whether by preventing questions being put or otherwise).