Installation & Service Manual
253
Time Zones and the Autotiming Window
Each M/E has a fixed amount of delay from its input to output. To allow reentries to remain
in time, M/E timings are staggered such that the up stream M/E outputs are earlier in time
than down stream M/E inputs. A 5 M/E production switcher has six time zones to
accommodate reentry through all the M/Es to any output. When all M/Es are cascaded into
each other, the most up stream M/E is in the earliest time zone. Aux buses and other
outputs are always in the latest time zone. The overlapping range of all the autotimers is
the published autotiming window for the switcher.
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