User Manual Q&AAnswer
Nov 10, 2025 - 08:14 AM
According to the operating instructions provided for the Panasonic ET-RFF200C Replacement Filter Unit, the replacement cycle of the air filter units can vary greatly depending on the specific usage environment. It is recommended to refer to the operating instructions supplied with the projector for guidance on maintaining the air filter unit. Additionally, if you use the projector without attaching the main filter unit, the filter indicator will blink in red, and a message will appear on the projected image for about 30 seconds. In this case, you should turn the projector off, attach the main filter unit, and then turn the projector back on to avoid any malfunctions.
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