Bosch INTEGRUS Installation And Operating Manual page 12

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Figure 1.13 Combination of direct and reflected radiation
For concentrically arranged conference rooms, centrally placed, angled radiators located high up can cover the area very
efficiently. In rooms with few or no reflecting surfaces, such as a darkened film-projection room, the audience should be
covered by direct path infra-red radiation from radiators positioned in front. When the direction of the receiver changes, e.g.
with varying seat arrangements, mount the radiators in the corners of the room (see Figure 1.15).
If the audience is always directed towards the radiators, you do not need radiators at the back (see Figure 1.16).
If the path of the infra-red signals is partially blocked, e.g. under balconies, you should cover the 'shaded' area with an
additional radiator (see Figure 1.17).
The figures below illustrate the positioning of the radiators:
Figure 1.15 Radiator position for covering seats in a square
arrangement
BOSCH Security Systems B.V.| February 2003
INTEGRUS | Digital Infra-red Language Distribution System
Figure 1.14 Combination of several reflected signals
Figure 1.16 Radiator positioning in a conference hall with
auditorium seating and podium