Alicat VC Series Volumetric Flow Controller User Manual
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Gas Select Mode
The gas select mode is accessed by pressing the button above “Gas Select” on the Select Menu
display. The screen will appear as shown in Figure 9.
PgUP PgDWN Main
H2 Hydrogen
He Helium
>N2 Nitrogen
N2O Nitrous Oxide
Ne Neon
O2 Oxygen
UP DOWN Gas
Figure 9. Gas Select Display
The selected gas is displayed on the default main mode screen as shown in Figure 6, and is indicated
by the arrow in the Gas Select Mode screen in Figure 9. To change the selected gas, use the buttons
under “UP” and “DOWN” or above “PgUP” and “PgDWN” to position the arrow in front of the desired
gas. When the mode is cycled back to the Main Mode, the selected gas will be displayed on the main
screen. (
Note: Gas Select Mode may not be available for units ordered for use with a custom gas or
blend.)