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Commissioning and operationAcoustic signal transmitterThe acoustic signal transmitter is located below the command master and ispresent once on each system (once for the port system and once for the starboardsystem).The signal transmitter supports the visual displays of the command master lightingand the alarm lamp with acoustic signals. In addition, each time the “Neutralposition” of the control lever is reached, it issues a short “beep tone”. The start ofthe “Warming Up” function is indicated by a short “double beep” tone.Display Command L2 and L3COMMANDContinuous light of the “Command” display indicates which command master is currentlyin command. The “Command” displays of the other control stands are disabled. If thecommand is requested on this master, the “Command” display flashes.If the command master is in the “Warming Up” function, this is indicated by a brief,rhythmic extinguishing of the “Command” display.The “Command” display is present on the system once (once for the port system / oncefor the starboard system).Enabling the control system with command masters1. Switch on control systemExecution:– apply supply voltage.Consequence: – Display “Alarm” (red) on all control stands lights up continuously.– “Command” and “Syn./Trol.” keys. On all control stands weaklylit up (only visible in darkness).– Acoustic signal transmitter sounds with slow intermittent tone on allcontrol stands.38