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Commissioning and operationAdditional function “Warming Up”The expression “Warming Up” means “engine running without shifting gear”, which enables,for example, warm-up of a cold power unit across the entire speed range. Thegearbox clutch is not engaged in lever position Á.Starting the “Warming Up” function:. The “Warming Up” function can only be started at an active command master and onlyfrom the position “À neutral”.1. Set the control lever of the command master in position “À neutral”.2. Press the key “Command takeover” and keep it pressed.3. Set the control lever of the command master in position “Á gearbox forwards / reverse”.The “Warming Up” function is indicated acoustically by a short “double beep” toneand visually by a brief, rhythmic extinguishing of the command master lighting.4. Release the “Command takeover” key.The engine idles and the gearbox clutch remains disengaged. The control lever can nowbe moved towards position “ maximum engine speed”. The entire engine speed rangebetween the positions Á and  is available.. In the case of twin-engine systems, any power unit can be run separately.Quitting the “Warming Up” function:To exit from the “Warming Up” function, the control lever of the command master must beset to position “À neutral”. The normal “beep” tone sounds for the “Neutral position”. Thecommand master lighting returns to continuous light. The function is disabled.Note:If the control lever is shifted from “Forwards” to “Reverse” or vice versa duringthe “Warming Up” function, the “Warming Up” function stops automatically whenposition “À neutral” is reached. When position “Á gearbox forwards / reverse” isreached again, the gearbox clutch would be engaged again.34