User manual PROFOTO PRO-8A 2400 AIR

[. . . ] Pro-8a 2400 Air Pro-8a 1200 Air User´s Guide 2 Pro-8a 2400 Air ­ Pro-8a 1200 Air www. profoto. com Thank you for choosing Profoto Thanks for showing us your confidence by investing in a Pro-8a generator. For more than three decades we have sought the perfect light. What pushes us is our conviction that we can offer even yet better tools for the most demanding photographers. Before our products are shipped we have them pass an extensive and strict testing program. [. . . ] When the Test Button [10] is pressed, the generator will flash and the Ready Lamp [10] will turn off while recharging. When the recharge of the generator is completed, the Ready Lamp [10] will be illuminated again. flash before ready The "Flash before ready" function makes it possible to flash before the recharging of the generator is ready and fully completed. When a flash is released before the generator is 100% recharged a long "beep" will sound, indicating an underexposed frame. Naturally the flash light may not correspond fully to the set value. The underexposure of the frame may be so small that it makes no significant difference, however it may be informative to get the feeling of the maximum repetition rate. The underexposure frame may still be usable if the catch of the moment was perfect. fan cooling & Protection System The Pro-8a generator is equipped with a very effective fan cooling to prevent over heating. A microprocessor controlling and supervising the system is integrated for protection and safety. Dual fans will normally operate in silent mode but will speed up automatically when working in hot surroundings or continuously at higher power levels. Lower flash energy usage and normal room temperature will slow down the fan speeds to be as silent as possible. If there is risk for overheating of the generator, caused by abnormal external influence, the protective system will automatically protect the generator from damage. The protective system will slow down the recharging intervals and eventually the recharging will stop completely. After a while, when the temperature has decreased sufficiently, the generator will start recharging at a normal pace. This automatic protection will only interfere under extreme conditions such as when the air vents are blocked. The Pro-8a generator is designed to withstand up to 1000 full power flashes during one hour. However it is not advisable to run harder than necessary due to the lifetime of the flash tube. noTice The air vents of the generator must never be blocked or covered in any way. Nor should the generator be operated in an enclosed small space. Never store your flash equipment in a car on a hot and sunny day longer than 30 minutes. Avoid storage of the generator close or below the freezing point for more than 30 minutes. A cold generator may not work properly or may even brake and will lose capacity (flash output). [. . . ] ProHead The standard heavy-duty head is the Profoto ProHead, built for producing flashes with Pro-8a, up to 2400 Ws over and over again, hour after hour. It has an integrated high efficient, long life halogen lamp with a switch and a fuse. A thermally controlled 2-speed efficient fan provide silent cooling. For safety reasons thermal protection is built-in. [. . . ]