Elmo PTC-200C - Manual (Page 17)

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[4] Lens operation
(1) Zoom operation
• The object is zoomed in (appears larger in the
screen) when TELE button of ZOOM is
pressed, or zoomed out (appears smaller in the
screen) when WIDE button of ZOOM is
pressed.
• When TELE button or WIDE button is
held down for over one second, the zoom speed
increases.
(2) Focus operation
• When AUTO button of FOCUS is pressed, 7
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FULL AUTO FOCUS status is established. (However, focusing may be difficult
for such objects as listed below.)
Objects with no contrast between light and
dark, such as white walls and night views
Objects reflecting an intensive light
Objects moving fast
Objects with many horizontal stripes, such as
blinds
Objects viewed through a glass pane with
water drops or stains
• To adjust the focus manually, press NEAR button or FAR button.
When NEAR button is pressed, the focus shifts near to you.
When FAR button is pressed, the focus shifts far away from you.
(3) Iris operation
• When AUTO button of the IRIS, the AUTO IRIS status (the brightness
remains unchanged even if the object is changed) is established.
• To adjust the iris manually, press OPEN button or CLOSE button.
When OPEN button is pressed, the iris opens.
When CLOSE button is pressed, the iris closes. 3
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