Toshiba IK-6420A Specifications - Page 4

5-2. Line-Lock Control • Matching the vertical synchronization with the power frequency is called the Line-Lock. • This function is activated when the LL switch is set to ON. ON OFF LL • When two or more cameras are switched by the video switcher for viewing by a monitor TV, the vertical sync. phase can be locked to the power frequency, and a stable vertical sync. is obtained without being disturbed at the time of switching. CAMERA1 MONITOR TV CAMERA2 VIDEO SWITCHER TO 24V AC UL Listed Class 2 power supply Note: • The camera is synchronized to the power frequency of 60 ±1 Hz covering a normal fluctuation of the power frequency. However, the camera may not cover a large fluctuation caused from the power generated by an engine generator, etc. • It takes about 10 seconds or more until a stable synchronization is obtained after the power is turned on. This is normal, because several seconds are required to stabilize the camera against power noise. • Refer to "7. LINE-LOCK PHASE" for adjustment. 5-3. Operation 1. Mount the lens to the camera. 2. Mount the camera to the camera mount. Caution: If the lens weight is more than 2.2 lbs (1 kg) mount the lens to the camera mount. Refer to section 6 for lens types and connection. 3. Connect the cables and support equipment to obtain a picture. 4. Adjust the lens aperture (if applicable). 6. LENS Back-Focus Adjusment Back-Focus is adjusted at the factory to accommodate most standard lenses. Sometimes, slight adjustment to the camera back-focus is necessary. Focus Lock Screw Loosen the Focus Lock Screw. Achieve a clear image by rotating the focus ring. Tighten the Focus Lock Screw. Auto-iris Lens This camera supports two types of auto-iris lens: Video 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. Video IRIS Lens 1 +12V IRIS terminal 2 NC pin 3 VIDEO 4 GND IRIS Switch VIDEO position Direct Drive IRIS Lens Damp - (y) Damp + (γ) Driver + (wh) Driver - (g) DC position Focus ring IRIS Auto-iris lens 2 1 4 Camera Side 3 1-4 - 8 - - 9 - IK-6420A