The Command Buttons

The command buttons shown in Figure 8.2 initiate global simulation commands. Notice that the stop button is pressed. This means that the simulation is temporarily halted. If the button were pressed again, the simulation would proceed from the point at which it was interrupted. From left to right the command buttons are

Button	Description
	shows the simulation time. By default time is measured in
	dimensionless units, but it can be changed to any unit from
	milliseconds to years using the pull down menu
	Options $\ra$ Clock.... Pressing on this button toggles
	between the simulation time and the clock icon.
	starts the simulation.
	stops the simulation.
	resets the simulation.
	toggles transaction animation on and off. When animation is on,
	you can see transactions that originate at Samplers traversing
	the network.
	aligns components vertically and horizontally.
	raises the Debug Control Panel.
	raises the Components Control Panel.
	raises the Viewport Window.
	saves the simulation model.
	raises the Component Attributes Panel for changing colors,
	fonts, and images.