Dell 1220 Setup Manual page 4
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Also See for 1220:
- User manual (56 pages) ,
- Service manual (47 pages) ,
- Setup and features information (6 pages)
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Step D: Download and upgrade firmware.
WARNING: When you are in downloading mode, PLEASE do not press the keyboard.
Step E: Firmware download completed, click "OK" and plug out the Min USB cable from
projector.
6. Unplug and re-plug in the power cord to turn on 1220 projector.
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