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Dash Display | Application Note : AN 1.1


Perfect Power Application Notes.


Application Note - AN 1


The Dash Displays have been designed to operate with the latest versions of the SMT8 range. The SMT8's can drive up to 8 separate displays at a time, each are able to display up to 8 selected items.



It allows the client to see the various values that the unit is working with by using a "momentary on" push button switch to 12 volt, for example; narrow band reading, RPM, TPS or the MAP/AFM voltage.


The example below shows the wiring if a single screen to a SMT8-L V3 unit. The switch that must be used cannot be a toggle switch but a "momentary on" push button switch.


Dashboard Display - Wiring & Installation


The dash display item set up is done in the "Remote Display" window in the software.


Dashboard Display - Remote Display Manager


Wiring more than one display to the same unit

Dashboard Display - Multiple Display Wiring


Switching between the items once the display has been fitted

On the first time that the display is powered up by the unit, it will be blank, the push button needs to be pressed, it will then display 11 indicating the first item selected (RPM), pressing the button again will change it to 22, the second item in the selected list (TPS), this procedure is continued until you have reached the desired display item value for the dash display unit. If there is more than one display fitted, then the seconds dash display button must be pressed for that screen to display the desired item value. Once the screen has been set to the desired item value it will only change when the push button is pressed, on the next power up the display will display the desired item value.
As in the above example the seconds display item in the list is the TPS value, this selected item has been set to display out of the third display. You can if required get all the fitted displays to display the same item value. This is done so you can choose which is the clearest for that particular display item value.
When switching through the list the number starts to flash, for example 66; this means that there was no item selected for that position. The switching between items will always go in numeric order from 1 to 8 and then back to 1.

Mirror Feature for Heads up Display

The dash display units have the ability to work as a heads up display; this is done when selecting the items you wish to display. The function is called "MR (Mirror display mode)".
Dashboard Display - Mirror Feature


The Dash Display units can be used to display incoming or outgoing values from the SMT8 unit when there is no laptop or PC connected.