Vision - Vinten Vision 11 Maintenance Manual

Pan and tilt head
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Contents
Contents
Introduction
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Description
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Introduction
1
The Vision 11 pan and tilt head
corporate and educational use. It is constructed largely in aluminium and magnesium alloys to produce a
robust, lightweight unit. The unique counterbalance system enables a wide variety of camera/lens
combinations to be maintained in perfect balance over the range of tilt movements. A maximum tilt angle of
90° is available at intermediate loadings, whilst at higher loadings the range of tilt motion is progressively
reduced to 40°. A graph is provided in Section 2 which illustrates the relationship between load and centre-of-
gravity (C of G) and may be used to ascertain the suitability of the head for any given combination of camera,
lens and accessories.
2
Drag is provided by the Vinten lubricated friction (LF) system which allows wide variation of the drag
setting on both pan and tilt axes to suit operator preference, and permits "whip" movements to be executed,
irrespective of drag setting. Pan and tilt axes are each provided with a brake.
Description
3
The Vision 11 pan and tilt head embodies a spring counterbalance mechanism, LF drag assemblies,
brakes on the pan and tilt mechanisms and a camera mounting plate.
4
The balance system is easily adjusted by a knob
payloads that can be balanced, and tilt ranges, are dependent on the weight of the camera and accessories
and on the centre-of-gravity (C of G) height. The control compensates for differing platform loads by varying
the compressive force on the counterbalance spring.
5
A digital display
(10)
is illuminated by pressing the switch
adjustments are complete. The same switch also illuminates the level bubble
and tilt drag knobs
(4)
(7). The digital display and illumination systems automatically compensate for ambient
light levels. The battery for the system is housed in a compartment in the top of the mechanism housing,
closed by a cap (11).
6
Both the pan and tilt mechanisms incorporate the Vinten lubricated friction (LF) system to ensure
smooth movement of the camera about these axes and are fitted with control knobs
setting. The whip-pan facility is unaffected by the pan drag setting. Both drag knobs are provided with scales
graduated from 0 to 9, illuminated by the switch (14).
7
Friction brakes on each axis allow the head to be locked at any chosen position. The operating levers
for both brakes
(13) (15)
Section 1
Introduction and Description
(Fig 1.1)
is part of a range designed for broadcast professional,
indicates the setting of the balance mechanism on a scale of 00 - HI. The display
(14)
and extinguishes automatically approximately 15 seconds after
are fitted at the left-hand side of the head.
First
Page
(2)
on the rear of the head. Maximum and minimum
(9)
Previous
Next
Previous
Page
Page
Para
and the scales of the pan
(4) (8)
to adjust the drag
View
11

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