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electronic components which are responsible for translating ProCam command
signals into functions such as strobe charge, strobe fire, strobe quench, etc. A
connector on this board ties the strobe electronics to the rest of the ProCam
electronics. The Strobe Ready Lights (red - charging; green - ready to fire) are
mounted on the interface PC board which is directly behind the system Control
Panel at the rear of the ProCam.
Figure 1-1. ProCam
The ProCam strobe system operates identically to the Spectra system strobe and
uses many of the same components. ProCam has a SPAR Thyristor strobe (SPAR
means Strobe Preferred Automatic Recharge). While the maximum charge time
for the strobe is eight seconds, typically for reasons described below the charge
time is much faster.
Like Spectra, the ProCam strobe features quenching with photocell light
measurement to determine when to shut down the strobe, as well as variable strobe
fire apertures. As in the Spectra system, when the strobe is directed to fire at less
STROBE
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