User manual OREGON SCIENTIFIC AR112N

[. . . ] When the [ ] is activated, it does not necessarily mean you are in immediate bodily danger. It means the room needs immediate ventilation. - Always read the instructions of chemicals, materials and appliances used in the household careful. They may contain important information on the possible danger or health hazards they may affect when abused. Paints, solvents, resins and cigarette smokes Paint removers, deodorizers and moth crystals Benzene and styrene (carcinogens) Dichloromethane and 1, 4Dichlorobenzene (both narcotic) Central nervous system, liver, kidney, eye and respiratory tract Polyurethane foam Trichloroethene and aerosols, solvents toluene diisocyanate and cleansing (carcinogens) compounds Adhesives, vinyl Toluene (narcotic) floor covering, wallpaper, tobacco smokes, kerosene heaters Pesticides, varnishes Xylenes (narcotic) and pharmaceuticals Central nervous system PRECAUTIONS Central nervous system Safety warnings, precautions or rules are embedded throughout the manual to help you use this product safely. [. . . ] · Disconnect the unit from the power socket when the unit malfunctions or smoke or smell radiates from the unit. 3 C E D B A N E O S P CLEAR M ODE MAX DC 6V MIN Important E N CL O A. MODE BUTTON Changes the display interval for the air quality bar graph ] BUTTON B. [ Adjusts the sensitivity level of the unit C. LIGHT BUTTON Turns on the backlight for 20 seconds D. [ ] BUTTON Changes between the current and minimum temperature and humidity in memory ] BUTTON E. [ Changes between the current and maximum temperature and humidity in memory F LEVEL ADJ INDICATOR . Indicates the sensitivity level of the unit G. AIR QUALITY INDICATOR Indicates the air quality H. VENTILATION INDICATOR Appears when the room needs ventilation I. BAD AIR ALARM INDICATOR Light up when the air quality is bad J. °C/°F SWITCH Changes between degree Centigrade (°C) and Fahrenheit (°F) K. BATTERY COMPARTMENT Accommodates two AA-sized batteries L. ALARM ON/OFF SWITCH Turns on or off the bad air alarm M. RESET BUTTON Erases all memory and start afresh 4 N. POWER ADAPTER CONNECTOR Power supply for the unit POWER REQUIREMENT The unit comes with a power adapter which should be connected to the unit to provide adequate power for air sampling. To connect the power adapter, remove the cover, plug it into the power adapter connector on the base of the unit before connecting it to a wall socket. O S E P HOW TO INSTALL THE UNIT The AR112C Air Quality Monitor is designed to sample and determine the level of VOC gases in the room that it monitors. As most VOC gases enter the human body through breathing, it is recommended you mount or place it at eye level of the user using the recessed mounting hole or retractable table stand. For instance, if the unit is to be installed in the living room, it should be installed at the eye level of a standing adult. If the unit is to be used in the kid's room, it should be installed at the eye level of the kid sitting on the bed. E N DC 6V CL O living room When operated solely on batteries, the unit will not be able to sample air quality. Only the temperature and humidity will be shown and the botton row bar graph will flash. HOW TO READ AIR QUALITY The air quality is displayed on the bar graph and rated very good, good or bad. An indicator will light up to show what the air quality is. Very Good Good Bad AIR SAMPLING Once connected to the power, the AR112C starts to initiate. [. . . ] If the ALARM ON/OFF switch is set on ON, an alarm will also go off continuously for 10 seconds. If the air quality does not improve, a beep will be emitted every minute for the next 7 minutes and every 10 minutes afterward. To disable the feature, set the switch to OFF. THE RESET BUTTON This button is used only when the unit is operating in an unfavorable way. Use a blunt stylus to hold down the button. [. . . ]