Panasonic AG-AC90A Operating Instructions Advanced - Page 42
Iris adjustment
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Recording Iris adjustment Perform Iris/Gain adjustments using the iris ring. Adjust it when the screen is too bright or too dark. MNL F4.0 A Gain value B Iris value C Auto iris icon* * It is displayed in Auto Iris Mode. 1 IRIS A/M button 2 Iris ring ≥ Switch to Manual Mode. (l 33) 1 Press the IRIS A/M button to switch to Manual Iris Mode. ≥ disappears. ≥ The gain is displayed in dB. 2 Adjust the iris by rotating the iris ring. Iris/Gain value: CLOSE !# (F11 to F1.6) !# OPEN !# (0dB to 30dB) ≥ Value closer to CLOSE darken the image. ≥ Value closer to 30dB brighten the image. ≥ When the iris value is adjusted to brighter than OPEN, it changes to the gain value. ≥ To return to Auto Iris Mode, press the IRIS A/M button. ≥ If the gain value is increased, the noise on the screen increases. ≥ Depending on the zoom magnification, there are iris values that are not displayed. IRIS A/M - 42 -
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