Locking The Platform; Pan And Tilt Brakes; Pan And Tilt Drag - Vinten Vision 250E Operator's Manual

1. Release the centre lock
clockwise until the head falls away from horizontal under the weight of the camera.
2. Release the slide plate clamp
ances horizontally. Apply the slide plate clamp (1).
3. Turn the balance knob
is tilted and released.
NOTE: If the digital balance setting of the particular payload is known, press the
switch (9)
setting.
4. Repeat steps 2 and 3 until perfect balance is achieved, when the camera will remain set
at any angle from +90° to –90° without falling away or springing back. Re-apply the centre
lock (5) and the tilt brake (14).
NOTE: Maximum tilt angle is less than 90° for heavy payloads with a high C of G - see
balance graph.
Press the switch (9) and make a note of the digital display (8). This will facilitate rebalancing this
particular payload.

Locking the platform

The centre lock mechanism is operated by a slider on the rear of the head. To engage the lock,
hold the platform in the horizontal position and push the slider
To release the centre lock, push the slider

Pan and tilt brakes

Friction brakes on each axis allow the head to be locked at any chosen position. The operating
levers for the pan brake
To apply the brake, turn the lever fully clockwise. To release the brake, turn the lever fully anti-
clockwise.

Pan and tilt drag

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 set-
ting.
Both drag knobs are provided with illuminated scales, graduated from 0 to 9. To illuminate the
scales, press the switch (9). The lamp will extinguish after 15 seconds.
NOTE: If the ambient light level is high, the scales will not be lit.
The tilt drag adjustment knob
(5) and the tilt brake (14). Turn the balance knob
(1) and slide the camera backwards or forward until it bal-
(4) clockwise until the camera does not fall away when the head
and turn the balance knob until the digital display
(5)
(15) and tilt brake (14)
(10) is on the left-hand side of the head, the pan drag knob
(5) to the left.
to the right.
are fitted on the left-hand side of the head.
(4) counter-
(8) shows that
(19) is
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