===== Program Execution and User Interface =====

Starting the application on the Delta robot will do a homing first, see [[sequencer#homing|Homing]]. After homing the Delta is in //system ready// mode which is indicated by the green and blue LED. \\
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If you press the green button, the Delta starts its [[sequencer#auto_moving_sequence|Auto Moving Sequence]]. In between shuffling and sorting the blocks you can take control by using a mouse, see [[sequencer#mouse_sequence|Mouse Sequence]]. By moving the mouse you can move the tool center point (TCP). You can raise and lower the TCP by scrolling. By pressing the left or right mouse button you enable the electromagnet. Releasing the mouse button will disable it. If you do not perform any action with the mouse for 5 seconds, the robot will start it's auto sequence operating mode again.\\
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Press the blue button to stop the [[sequencer#auto_moving_sequence|Auto Moving Sequence]] or [[sequencer#mouse_sequence|Mouse Sequence]]. This will stop the current sequence, raise the TCP and put it back to it's homing position. The robot is again in //system ready// mode. \\
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Press the red button in case of an emergency and the red LED lights up. In this case you have to press the green button to continue. The Delta will repeat its homing and go to //system ready// mode.\\
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If you press the blue button 3 times in the //system ready// mode, the robot will move to it's parking position and power down. When pressing the green and blue button together in the //system ready// mode, the Delta can be calibrated.\\

==== Buttons ====
The robot is equipped with three buttons: red, blue, green. You can use the buttons for following actions: 
^Action^Button^Available in state^
|Start 'Auto Moving' | green | 'System Ready' |
|Stop 'Auto Moving' | blue | 'Auto Moving' or 'Mouse Control' |
|Emergency stop | red | all |
|Exit 'Emergency' | green | 'Emergency'|
|Stop the application| blue (3 times)|'System Ready'|
|Start calibration| blue & green|'System Ready'|

For sequences description, please refer to: [[sequencer|]]

==== Mouse ====
As soon as you move the mouse while in 'Auto Moving' state, the robot will change into 'Mouse Control' state. If the mouse delivers no new signal during 5 seconds the state will change back into 'Auto Moving'.

  * Moving the mouse on the desk will move the robot in XY direction
  * Scrolling will move z-axis up and down in the vertical direction
  * Pressing the left or right button will turn on the magnet

==== Leds====
The three leds within the three buttons indicate the following state: 
^Led^State^Possible action^
|green & blue | 'System Ready'| green button to start 'Auto Moving', blue button to shut down |
|blue | 'Auto Moving' or 'Mouse Control'| blue button to stop |
|red & green | 'Emergency' | green button to leave emergency state |