Vocas MBS-100 Type A - Manual (Page 5)

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 This mattebox support has a “quick lock” mechanism.
This mechanism enables you to quickly remove or install the 15mm
tubes.
Put the clamper in the upright position to release the 15mm tube.

The clamp mechanism can also be readjusted.
1. Put the clamper in the upright position, and remove the 15mm
tubes.
2. To release the clamp nut, push the clamper downwards, in the
direction of the Clamp nut.
3. Rotate the Clamp nut clockwise to tighten, or counter clockwise
to loosen the mechanism.
Clamp nut
Clamper
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