8
A digital display
indicates the setting of the balance mechanism on a scale of 00 - HI. The dis-
play is illuminated by pressing the switch
and extinguishes automatically approximately 15
seconds after adjustments are complete. The same switch also illuminates the level bubble
and the scales of the pan and tilt drag knobs
automatically compensates for
ambient light levels and dims the display. If the ambient light level is high, the level bubble and
drag knob scales will not be lit. The battery for the system is housed in a compartment in the base
of the head, closed by a cover
.
Both the pan and tilt mechanisms incorporate the Vinten thin film (TF) system to ensure smooth
movement of the camera about these axes and are fitted with control knobs
to adjust the
drag setting. The whip-pan facility is unaffected by the pan drag setting. Both drag knobs are pro-
vided with scales illuminated by the switch
Friction brakes on each axis allow the head to be locked at any chosen position. The operating
levers for both brakes
are fitted on the left-hand side of the head.
allows the head to be locked in the horizontal position.
A level bubble
, illuminated by pressing the switch
, is fitted to the rear of the head.
Pan bar mounting points
are located at the rear of the head, on either side of the camera
mounting platform. A telescopic pan bar
is supplied and is attached using a pan bar clamp,
with angular adjustment available on the mount serrations. A second pan bar may be fitted.
Two versions of the head are available. One uses a dual 100/150 mm ball mount
with a bowl
. The other has a flat base
, with `Quickfix'
®
and standard four-hole fixing. Mounting
bolts, washers and a spanner are also provided.
The camera is attached to the head by means of a slide plate
or by using the optional Quickfit
®
adaptor. A clamp
is provided to hold the slide plate in position and a lock
prevents its
inadvertent removal from the head.