LEVEL ADJUSTER (VR801)

This controller serves to adjust the video out- put level when DC Voltage Controlled Auto-Iris Lens is used.

The power supply synchronizing phase chan- ges by pressing the LL ADJ. switch.

The dimension from the zero cross point of the power supply voltage waveform to the deacti- vation point of Vsync of the odd field is 0° at presetting.

L. L. ADJUSTER

ZERO CROSS POINT

(The camera using LINE LOCK MODE)

The power supply synchronizing phase of each camera is set to the same phase at the factory. Usually, the power supply synchronizing phase does not need readjustments.

S803

UP

LL

S802

DOWN

DOWN} ] UP

Fig. 8

En-18

Page 20
Image 20
Fujitsu CG-311 SERIES instruction manual Level Adjuster VR801, En-18, Zero Cross Point