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me) for 8 hours. After 8 hours of keeping time, the yellow diode on
the base of the XTRprod will flash once every four seconds, indica-
ting that accurate time is no longer guaranteed.
In order for the internal clock to operate, the camera must be powe-
red before initialization. The camera is also equipped with an ins-
tantly charged supercapacitor buffer that is designed to keep time
between battery changes. Keep in mind that a battery which is too
low to run the camera has enough energy to drive the internal clock
for hours. Get into the habit of leaving an exhausted battery on-
board the camera until you have a fresh battery close by. The super-
capacitor allows a full minute for battery replacement before timeco-
de is lost.
7.3 ORIGINCPLUS
For the most efficient and foolproof means of working with Aaton-
Code, it is highly recommended that an Aaton device called Ori-
ginCplus is used. OriginCplus can be quickly
programmed with a production ID, full date and time of day, then
initialize timecode devices in either ASCII or SMPTE form. Ori-
ginCplus is TCXO-controlled and will run for 150 hours with an
internal 9V lithium cell; it is designed to be left on during the shoot
day and used as a comparator to monitor timecode drift between de-
vices.
OriginCplus can also be used as a SMPTE generator to supply accu-
rate timecode for slates and inserters, or to record timecode on one
audio channel of a non-timecode audio recorder.
7.4 INITIALIZING AATONCODE IN THE
CAMERA
There are two ways in which AatonCode can be initialized in the XTR-
104
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