Sierra Instruments Instruction Manual
Smart-Trak
®
2 Series 100
38
Making Changes Using the Lower Level Screens:
The ten Lower Level Screens are at the heart of Dial-A-Gas, allowing you complete
control of your Smart-Trak 2 instrument. It is possible to make several changes 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 Lower
Level Screens. The Smart-Trak 2 will make each adjustment as you complete it.
At any time, you may press the escape button to return to the Upper Level.
Change Setpoint Value Screen
This screen is the entry point to the Lower Level. As soon as a correct password is
entered, you will arrive here. If you are already in the Lower Level Screens, push
the right or left arrow until you reach the Change Setpoint Value screen. The
display will show:
Change Setpoint
00.00 sl/m
Air
This is the position where you can change the setpoint value of the mass flow
controller. To make a change to the displayed value, press the enter key. The first
number in the display will blink. Use the up and down arrows to change the value
of this digit or the left and right arrows to move to another digit. For example, if
you wish to enter a setpoint of 12.5 sl/m, push the “up” arrow once when the first
digit is blinking. You will see:
Change Setpoint
10.00 sl/m
Air
Next, press the “right” arrow so that the second digit blinks. Push the up arrow
twice. You will now see:
Change Setpoint
12.00 sl/m
Air
Press the right arrow again. The first digit after the decimal point will now blink.
Press the up arrow 5 times until you see: