Toshiba IK-6550A instruction manual Lens, Back-Focus Adjusment

6. LENS
Back-Focus Adjusment
Back-Focus is adjusted at the factory to accommodate most standard lenses.
However, at times, slight adjustment to the IK-6550A back-	Focus Lock Screw
focus is necessary.
Loosen the Focus Lock Screw. Achieve a clear image by
rotating the focus ring.
Afterwards, tighten the Focus Lock Screw.

This camera supports two types of auto-iris lens: Video- type and DC (direct drive) types. Connect the auto-iris connector plug to the IRIS terminal on the side of the camera. Refer to the chart below for correct wiring and set up.

Focus ring

IRIS

Auto-iris lens

	Video IRIS	Direct Drive
	Lens	IRIS Lens
	1. +12V	1. Damp – (y)
IRIS terminal	2. NC	2. Damp + (γ)
pin	3. VIDEO	3. Driver + (wh)
	4. GND	4. Driver – (g)
IRIS Switch	VIDEO position	DC Position

4 3

1 2

- 9 -