Osoto NV-1920 - Manual (Page 11)

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Turn off:
When turn off, press 2 seconds, after heard of a voice
of
“Bee”, this indicator will become from red shinning to red,
means get into state of waiting, and visual presenter has been
turned off. If visual presenter has central controller function, when
turn visual presenter off, press this button 2 seconds, after
a voice of “Bee”, power indicator shines firstly, meanwhile visual
presenter cannot be controlled by any button. When power
indicator gets into shining slowly, press again to turn off
projector. After 2 minutes
of “Bee”, it is into state of waiting, at
same time
projector’s power has been cut down (delayed to turn
off). When it is into state of turning off, visual presenter will switch
“PC IN”（PC’s signal）into monitor automatically.（It is get through
without signal of turning on）.
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Lamp Selection:
Press button, users can turn on/off assistant lamps or
base light.
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Preview/shooting:
Signal output to monitor（preview）: Press this button
repeatedly to select visual presenter’s signal, PC signal, and RGB
signal’s input. When select visual presenter’s signal, the indicator
will become red（other two indicators will be off）,when select PC
signal input, the indicator will be on red(other two indicators will be