Vitek VTC-C770DN Manuel d'instructions télécharger pdf (Page 12)

VTC-C770DN

6.3.2 SHUTTER/AGC>MANUAL SETUP menu

6.4 LENS menu

To enter LENS menu, press button at MAIN menu-1>LENS>AUTO.

6.5 DAY/NIGHT menu

To enter DAY/NIGHT menu, press button at MAIN menu-1>DAY/NIGHT

AUTO IRIS

Default

Descriptions

TYPE

MUST BE SET TO DC ONLY.

This camera does NOT support video type auto iris lens.

MODE

AUTO

AUTO – Lens iris is automatically controlled according to the scene‟s

light level.

OPEN – Lens is fully opened regardless of the light level.

CLOSE – Lens is fully closed.

SPEED

080

Adjusts the iris control speed.

The lower the value, the faster the speed.

If the speed is too slow or fast, the iris control may be unstable.

MANUAL

SETUP

Default

Descriptions

MODE

SHUT

+AGC

Compensates the video level by the manual shutter control and AGC.

SHUTTER

1/60

(1/50)

Sets the manual shutter to 1/60(1/50), 1/100(1/120), 1/250,1/500,1/1000,

1/2000,1/4000 or 1/10000.

Manual shutter is only useful when luminance is unchanged.

AGC

6.00

Sets AGC gain in dB. Higher gain compensates for a brighter scene, but

noise increases.

Manual AGC can be set to 6, 12, 18, 24, 30, 36, 42 or 44 8dB.

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Vitek VTC-C770DN Manuel d'instructions Page 12