AAton XTRprod User's Guide download pdf (Page 35)

enables the body to run at any speed between 3 and 75 in .001

frame increments. A phase adjustment of the variable speed is

accessible from the EX/VAR selector.

The camera speed can also be adjusted while the camera is running

in either sync or variable mode. For more information on these

speed functions, refer to section LCD Control Panel and Jog of this

chapter.

2.8.2 Using External Speed Devices

The XTRprod can be driven externally from devices such as

ﬁlm/video synchronizers, speed aperture computers and external

speed controls. In these situations, the camera EX/VAR selector

must be set to et. If such a device is connected and the selector is

not set to et, the camera will run at the speed indicated on the

display.

Keep in mind that, with certain manufacturer’s speed controls, it

may be possible to run the camera at speeds higher than the 75 fps

factory limitation. Overcranking in such a way, however, will

increase mechanism wear, increase noise and compromise image

registration. Aaton urges to avoid such usage at all cost and will not

be responsible for the resulting damage that may occur. This top

speed cap of 75 fps has been designated by Aaton because it is the

level at which the camera can run safely without any adverse effects

on its mechanics.

2.8.3 Electronic Inching

The inching function of the motor is accomplished electronically

and can be accessed in a number of ways.

•From the Body

The large run/test switch on the motor side of the body, not only

runs the camera, but provides half frame inching for gate inspection,

lightmeter functions and loop situating when installing a fresh mag.

From the Handgrip

The wooden handgrip switch, by way of the Lemo2 connector,

provides camera run and full frame inching for single frame

THE CAMERA BODY

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AAton XTRprod User's Guide Page 35