5camera optimisation – Vinten Radamec Free-d User Manual
Page 11

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