Ideal screen placement is on one side of the lectern, at a 45° angle to the
audience. Optimally, data projectors are mounted to the ceiling; otherwise
they can be equipped with long throw lenses and placed on high projection
stands at the opposite corner in back of the room. This arrangement permits
the speaker to see the projected materials peripherally without having to turn
away from the audience. In rooms which have a fixed screen or which require
that the screen be in the center, the same results can be achieved by reversing
the placement of the presenter or panel, so that their relative angle is
maintained. The overhead or the data projector may be on a stand next to the
lectern or on a table at the front of the room. To avoid the keystoning
commonly associated with overhead projectors, some presenters will specify a
screen with a keystone compensator which positions the screen so that it is at
a right angle to the horizontal projection axis. Data projectors typically have
built-in keystone compensators.
Staging for Entertainment
Staging for motivational sessions and those which employ elaborate
audiovisual and theatrical production is influenced by the media and the
needs of the performers. As described in Chapter 6, some entertainers
have very detailed staging specifications. Some audiovisual presentations,
particularly multimedia productions, may require unique and complex
staging. Unless the event is part of a banquet, theater style seating is the
preferred configuration. A room with a high ceiling (16 – 22 ft. or 5 – 7m)
is essential to allow for adequate screen height and to accommodate
theatrical lighting where required. Floor lecterns, angled in relation to
the screen, are placed to the sides of the stage so as not to interfere with
sight lines. Lighting will vary from dim to total blackout and should be
controlled by AV or stage technicians from one location.
If the room does not have strip lighting or theatrical lights, the organizer
may want to rent them. Since the room will be dim or dark much of the
time, the lecterns should be spotlighted. Cross-lighting is preferred to
avoid light spill and shadows on the screen. Projection equipment is placed
on platforms or scaffolding so that lenses are as close to perpendicular to the
screen as possible, particularly for rear projection. If front projection is
employed, it is necessary to position it on risers in order to clear the heads
of people seated or moving in aisles. The projection platform should be
dressed with themed decor or draped for a presentable appearance.
Staging for banquets with AV or entertainment involves a different set of
problems. Since people are seated at round tables, some of the guests will
have to turn their seats in order to see the screen or stage. Because of the
complexity of staging for entertainment, the PCO must request the room for
advance setup and rehearsals, and require written confirmation of dates and
exact access times. It can be frustrating to arrive with two tons of equipment
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