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Zoom
The impression E350 has a 1:5 zoom range from 8.5° to 42°.
Control on the Zoom DMX channel can be inverted. Normal control as the DMX value
increases is flood
Control DMX channel so that control becomes spot
Focus and focus tracking
You can carry out 8-bit focus adjustment on DMX channel 17 and fine 16-bit
adjustment on DMX channel 18.
You can also set focus to automatically adjust to match different zoom angles if you
enable focus tracking in the fixture's control panel or on the Special / Control DMX
channel. This feature is useful when zooming in mid-air effects.
Focus tracking can be optimized for three different projection distance ranges. Four
focus tracking settings are available:
• Focus tracking OFF sets the zoom and focus DMX channels to control zoom and focus
completely independently of each other.
• Focus tracking NEAR sets focus to automatically adjust for optimum sharpness at
projection distances of around 10 meters or less when the zoom angle is changed.
• Focus tracking MEDIUM sets focus to automatically adjust for optimum sharpness at
projection distances of around 11 - 20 meters when the zoom angle is changed.
• Focus tracking FAR sets focus to automatically adjust for optimum sharpness at
projection distances of over 20 meters when the zoom angle is changed.
If you have enabled Focus tracking NEAR, MEDIUM or FAR you can still override the
automatic focus setting: any manual adjustment that you make on the Focus DMX
channel will take priority over the automatic setting. However, if you change the zoom
angle again, the fixture will forget any manual focus setting and return to
automatically adjusting focus to match the fixture's zoom angle.
Fan modes
The four different cooling fan modes give you a range of options to choose from
depending on how you want to allocate priority between high-intensity light output or
low fan noise:
• Fan regulated gives priority to light output and only operates fans as necessary. If the
fixture is blacked out, fans run at minimum speed. When light output intensity is
increased, temperature regulation increases fan speed to the level necessary to keep
the fixture at optimum temperature.
If light output is set to maximum intensity but the fans can keep the fixture at optimum
temperature, there will be no regulation of light intensity. If the fixture begins to
exceed optimum temperature, light intensity will be limited until optimum
temperature can be maintained.
• Fan constant high mode is optimized for maximum light output and suits operation in
high ambient temperatures. Fans are set to constant operation at high speed. Light
output intensity is limited smoothly if it becomes necessary in order to keep fixture
temperature at optimum level.
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spot. You can invert this using the control panel and the Special /
flood.
GLP® impression E350
User Manual Rev. A
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