tabs / 1–6 = changeover · T = thread · space = pause
Threading the P-70D
FRAME CYCLE · PULL-DOWN (BLANKED) THEN PULSED DWELL
PULL-DOWN
Format changeover
P = projectionist's hands · M = machine firmware · S = service visit. During the walk, watch the mechanism: the gate assembly, sprockets, aperture plate, lens and sound readers animate as each step lands. The "thread" step plays the full threading sequence.