Instruction Manual - Sierra Instruments

Sierra Instruments Instruction ManualSmartTrak ® 100 SeriesMaking Changes Using the Lower Level Screens:The ten Lower Level Screens are at the heart of Dial-A-Gas®, allowing youcomplete control of your SmartTrak instrument. It is possible to make severalchanges on different Lower Level Screens before exiting.For example, you could change between one of the ten pre-programmed gases,change the engineering units, and change the setpoint all in one visit to the LowerLevel Screens. The SmartTrak will make each adjustment as you complete it. Atany time, you may press the escape button to return to the Upper Level.Change Setpoint Value ScreenThis screen is the entry point to the Lower Level. As soon as a correct password isentered, you will arrive here. If you are already in the Lower Level Screens, pushthe right or left arrow until you reach the Change Setpoint Value screen. Thedisplay will show:Change Setpoint00.00 sl/mAirThis is the position where you can change the setpoint value of the mass flowcontroller. To make a change to the displayed value, press the enter key. The firstnumber in the display will blink. Use the up and down arrows to change the valueof this digit or the left and right arrows to move to another digit. For example, ifyou wish to enter a setpoint of 12.5 sl/m, push the “up” arrow once when the firstdigit is blinking. You will see:Change Setpoint10.00 sl/mAirNext, press the “right” arrow so that the second digit blinks. Push the up arrowtwice. You will now see:Change Setpoint12.00 sl/mAirPress the right arrow again. The first digit after the decimal point will now blink.Press the up arrow 5 times until you see:38