Toshiba IK-629A manual Lens, Automatic Electronic Shutter AES, Backlight Compensation BLC, Nots

5. LENS

Back-Focus Adjusment

Back-Focus is adjusted at the factory to accommodate most standard lenses. However, at times, slight adjustment to the IK-629A back-focus is necessary.

Focus Lock Screw

Mount the Lens to the camera first. Then loosen the Focus Lock Screw. Then rotate the Focus ring until a clear image is achieved. Afterwards, tighten the Focus Lock Screw.

Focus ring

Nots

When the lens weight is more than 1 kg (2.2 lbs), support it on the lens side rather than rely on screw that fix the camera to the tripod.

IRIS

6. AUTOMATIC ELECTRONIC SHUTTER (AES)

Exposure time is controlled automatically within a range of 1/60 sec. to 1/100000 sec. to obtain an adequate signal when the back panel switch is turned to AES.

When the back panel switch is turned to VIDEO or DC, the exposure time is fixed 1/60 sec.

7. BACKLIGHT COMPENSATION (BLC)

This function is activated when the BLC switch is set to on .

ON	O
	N	1 2 3	4

1-4

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.

Recorder Ready

Auto iris lens

OFF

BLC

When the automatic electronic iris and the auto iris lens is used, the exposure adjustment is automatically performed so that a best picture is obtained at a monitor zone of about 60% in horizontal and about 60% in vertical direction.

This function is effective when a strong light enters the portion other than this zone and auto iris lens closes and darkens the area to view.

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

(Monitor screen)

60%

60%