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Aaton Cam Xter Users Guide

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Page 71

AATONCODE
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Page 72

6.1 CONCEPT
AatonCode, Aaton's proprietary in-camera timecode system, is 
recorded in the Xterà on the edge of  the film between the perfora-
tions in both matrix and man-readable form. As recorded in the 
camera, AatonCode contains a six digit production ID, a SMPTE-
compatible real time address (full date and time), a camera equip-
ment ID and the running speed of  the body.
Timecode is exposed onto the film by means of  seven micro-di-
odes, which flash rapidly to form the code as the film rolls...

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   73
AATON CODE
an outside source and keep accurate time (within a half  a frame) 
for 8 hours. After 8 hours of  keeping time, the yellow diode on the 
base of  the Xterà will flash once every four seconds, indicating that 
accurate time is no longer guaranteed.
In order for the internal clock to operate, the camera must be 
powered before initialization. The camera is also equipped with 
an instantly charged supercapacitor buffer that is designed to keep 
time between battery changes. Keep in mind...

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There are two ways in which AatonCode can be initialized in the 
Xterà camera. The preferred method is by means of  the OriginC-
plus, which inputs timecode in ASCII form. It is also possible for 
the camera to receive information in SMPTE form directly from a 
SMPTE timecode device such as an TC audio recorder. Both meth-
ods are detailed below.
6.4.1 Using the OriginCplus - Recommended Method• • Program 
the OriginCplus by inputting Prod ID, accurate date and time of  
day. Press the # key to scroll...

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panel of  the Xterà will display hours/minutes/seconds when the 
button marked time is selected. Toggling this button will also display 
year/month/day, then the production ID, then the equipment #. 
• Make sure to adjust the ASA selection to the exposure index of  
the film stock being used.
• Disconnect the OriginCplus from the body and proceed to the 
next device.
For further details on the OriginCplus, please refer to the publica-
tion entitled OriginCplus - Initializing and Monitoring Aaton Time-...

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Once timecode has been initialized into the camera(s) and sound 
recorder, accurate time will be individually maintained in each ma-
chine for six hours. It is suggested, however, that new timecode be 
re-initialized after four hours or so as a precautionary measure. Get 
into the habit of  using the OriginCplus to monitor timecode drift in 
each device when possible; every 2-3 hours or so is recommended.
6.5.1 Monitoring AatonCode with OriginCplus
Assuming that the OriginCplus has been left on during...

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handled by the camera assistant as part of  his / her routine.
6.6.1 Checking the Diodes
In order to inspect and clean the gate between magazine rolls, the 
camera must be set to test position. Not only will test position ro-
tate the shutter 180°, but the seven timecode LEDs in the gate will 
illuminate in a three/four sequence. Use this pattern to occasionally 
check that all diodes are operational and evenly illuminated. As part 
of  the normal gate cleaning procedure, clean this area with a Q-tip...

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Page 79

TECHNICAL SPECIFICATIONS
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Page 80

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TECHNICAL SPECIFICATIONS
Weight 6kg / 13 lbs with 400 ft load and 12V on-board battery.
Power 10-14 V, 600 mA, with film à 25°C / 77°F.
Temperature range  -20°C / +4°F to +40°C / +104°F. 
Noise level 20 dB -1/+2.
Speeds preset speeds of  6, 12, 18, 20, 23.98, 24, 25, 29.97, 30, 36, 40, 48, 60 
and 75 fps. Built-in variable crystal control from 3 to 75 fps in 0.001 incre-
ments.
Image stability Co-planar claw and lateral pressure. Vertical and lateral 
steadyness to 1/2000 of  image dimensions.
Viewing...
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