Specifications

XD10 Cinema Media Player, Installation and Operating Guide Version 1.0
5.3. Guide For A Seamless Change-Over
Occasionally, when running a DTS movie with dual projectors, you may come across situations when the
picture and sound are not changing in unison during a change over. This is due to the fact that as soon as
the first frame of action reaches the picture aperture on the incoming projector, the DTS digital sound will
change over to that reel. DTS digital sound changes independent of the projector’s douser position.
Change over anomalies are most evident on movies that have very tight editing / scene change tolerances
from one reel’s end to the next reel’s start.
When this occurs, perform one of the adjustment procedures below.
5.3.1. Sound changes before picture
When threading the incoming projector, roll down the film to a greater number of feet. If you normally
thread to “8”, try threading to “9” or “10”. Keep adjusting the roll down setting until the picture changes
with the sound. Also, try hesitating a second before starting the incoming projector on the first cue.
5.3.2. Picture changes before sound
When threading the incoming projector, roll down the film to a lesser number of feet. If you normally
thread to “8”, try threading to “7” or “6”. Keep adjusting the roll down setting until the picture changes
with the sound. Be sure to hesitate opening the douser on the incoming projector (on the second cue) until
the last word on the outgoing reel is heard on screen.
5.3.3. Determining roll-down
Adjusting the roll down setting is a judgment call. Base it on the time delay of picture vs. sound. One
second of delay equates to 24 frames, or 1.5 feet.
Maintenance and Troubleshooting Document #: 9301E692001.0
5-3