STARTING UP AND OPERATINGC HAPTER 7THP 94/42 R 4 XXTTHP 125/42 R 4 XXTTHP 140 H/42 R 4 XXTGB-07.20057-6DANGERWhen the Emergency Stop button is pressed, the following conditions are set on the truck-mounted concrete pump:• TruckEngine is switched to idling (or optionally switched off)• Truck-mounted concrete pumpPumping / sucking is immediately switched off• Distributor boomThe distributor boom is halted at its current position7.2.3 Selecting the operating modeThe control panel is at the right rear of the vehicle.The functions on the control panel desk “Pump/Suck (11)”and “Stroke rate (13)” are disabled if the remote control isactivated.The key switch (14) allows switching between “ControlDesk” and “Remote control”.If the cable for remote control is plugged in, remote controlis activated automatically.In the setting “Remote control” the respective remotecontrol pendant must be switched on, otherwise thecontrols are switched off in an Emergency Stop.NOTE:The key should be withdrawn when the machine is in operation, so thatno unauthorised person can tamper with the outriggers.7.3 Operating the outriggersDANGER:When the outriggers are being slewed in/out or extendedthere is high crush risk hazard.13 1114Fig. 7.6 Selecting the operating mode