5camera optimisation – Vinten Radamec Free-d User Manual

Page 11

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Vinten Broadcast Ltd

free

-

d

Installation Manual V1.4.4

Page 11 of 46

5

Camera optimisation

Set the camera ID number using rotary switch S101 (see Appendix D). Place
the

free-d

TSC at its lowest operating height (in most cases this will be with

the studio camera on the floor) so that it has an unobstructed view of the
targets. Switch off any house lights in the field of view of the camera.
Observe the monitoring video output from the

free-d

Processor on both a

picture monitor and on an oscilloscope triggered at TV line rate. The video
level of the brightest targets should be close to peak white (0.7 Volt) but
without any clipping. If this is not the case, it will be necessary to adjust the
iris of the

free-d

™ TSC; take extreme care not to disturb the focus.

Check on both the NTSC monitor and the oscilloscope that all the targets in
view have approximately the same video level (the dimmest target should

S102 Exposure time
control

S101 Camera ID
Number

LED array

Iris

Focus – take
care not to
disturb

Gain levels
factory set

S103 Test purposes

Optimised – uniform amplitude, no
clipping

Clipping – bright peaks indicate video
level saturation

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