User Guide
Page 7
...BISSELL air400 will turn off. This contributes to before going into night mode, it was set to a peaceful sleeping environment. Silent In Silent mode, air purification is best for sleeping environments. Auto When powered on the quality of your indoor air as detected by a light sensor. NOTE: When the air purifier... goes into night mode. 5 This mode prompts the air purifier to adjust to auto...
...BISSELL air400 will turn off. This contributes to before going into night mode, it was set to a peaceful sleeping environment. Silent In Silent mode, air purification is best for sleeping environments. Auto When powered on the quality of your indoor air as detected by a light sensor. NOTE: When the air purifier... goes into night mode. 5 This mode prompts the air purifier to adjust to auto...