Panasonic NV-DS77EN - Инструкция (Страница 82)

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Adjusting the Iris (F Number)
Manually
To achieve special creative effects or to cope with special
lighting situations, you can adjust the iris (F number)
manually.
1 Set the Mode Selector Switch to [MNL].
The [MNL] Indication appears.
2 Press the [PUSH] Dial twice.
The [► F] Indication appears.
You can change between the Iris (F Number)
Indication and the Shutter Speed Indication by
repeatedly pressing the [PUSH] Dial.
3 Turn the [PUSH] Dial to adjust the iris.
Range of Iris Adjustment
CLOSE (Closed)^Fl6...F1.7^OP + 0dB
(Opened)...OP+ 18 dB
The nearer to [CLOSE] a value you select, the darker the
picture becomes.
The nearer to [OP-+18 dB] a value you select, the brighter
the picture becomes.
The figures with +dB show the Gain-up value. If you
increase the value too much, the picture quality
deteriorates.
Returning to the Normal Iris Value (F Number)
Press the [PUSH] Dial one lime to make the [► F]
Indication disappear. Or set the Mode Selector Switch to
[AUTO].
'Manually adjusting the shutter speed after performing
manual iris adjustment changes the tns back to
automatic adjustment. Therefore, if you want to adjust
both the shutter speed and iris manually, be sure to
adjust the shutter speed first. 86)
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