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Adjust · How much? · it remembers

Element 31

31●›
Sb
Scrub

Set where in the timeline of the work.

scrubber · jog wheel · fast forward

First known

Opened

1978Sony's one-inch VTR: one knob shuttles the tape fast and jogs it frame by frame, so the editor sets the spot. CBS edit room.

See also: QuickTime's movie controller slider (December 1991), then CD-deck jog wheels (1994).

“the single knob that provides both th[e] high-speed shuttle function and the low-speed jog function on the Sony VTR”

The jog wheel came from 1970s video editing. QuickTime and DJ decks inherited it; they did not invent it.

Someone opened the dated document itself. The source.

  • ReadingValue

Specimen № 31 — operate freely

Get near a clap with the bar, land on its spike with the wheel, then mark it.

Fig. 31 — Scrub

000 readings · idle

Down the Adjust column

  1. it followsDDial
  2. it targetsRzResize
  3. it remembersSbScrub
  4. it connectsRaRate
  5. it guessesTkTweak
  6. it actsPcPace

Read down and Dial gets heavier: each step is the same act, on a machine that keeps track of more.

Bodies

The act stays put while the hardware changes. These are some of the forms Scrub takes.

  • scrubber
  • jog wheel
  • fast forward

From the 2021 table

This was a tile of its own. On this table it is a form of Scrub, and its old address lands here.

  • Fast ForwardAllotropeThe same act with another response curve.