JVC TK-C1460U Instruction Manual - Page 20

CONNECTION/INSTALLATION Lens adjustment Connect the camera according to the connection method, turn it on, display an image on the monitor, and check the image. The camera has been factory-adjusted to the best position, but it may need to be adjusted according to the object conditions or combination of lenses. If the image is unnatural, adjust it as follows: (Also read the instruction manual of the lens.) LEVEL adjustment • LEVEL adjustment Monitor screen LEVEL turning direction Too bright Counterclockwise (Toward L) Too dark Clockwise (Toward H) Av Pk L H ALC LEVEL ALC adjustment (Does not operate.) MEMO Note that the lens cannot make ALC adjustments. Make ALC adjustments using the item AVERAGE: PEAK on the menu. (੬ Page 26) MEMO • If the sensitivity adjustment LEVEL is turned excessively to L, the sensitivity increases because of the AGC function of the camera, and the image looks grainy. • If the video iris lens is set to too low a level, malfunction such as the hunting phenomenon, in which the iris opens or closes unintentionally, may occur. In such a case, first set LEVEL potentiometer on the lens to the H (iris open) position then adjust it to the optimum level. E-20