Secced SC-Video-10/100VP Operator's Manual page 31

Adjusting the spreader
There are two controls on the spreader.
Spread-locking knob (33) and extension release knob (34)
Spread-locking knob locks the mid-level spreader in position. With the particular length of arm,
by turning the spread-locking knob, the height of the spreader can be adjusted
The spreading scope of tripod can be adjusted by turning the spread-locking knob.
Extension release knobs are fitted on each arm of the mid-level spreader. When slackened, the
arm can be extended or retracted. This facility is particularly useful when the tripod is in use on
uneven ground.
Fig 21
Retracting the arm
Extending the arm
(34)
Tighten the extension release knob (Clockwise)
Loosen the extension release knob (Anti-clockwise)
(33)
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