Code 12x: How To Adjust the Auto Power Control
Chapter Seven: Operation in Setup Mode
230
Code 12x: How To Adjust the Auto Power Control
CENTER DISPLAY
RIGHT DISPLAY
LEFT DISPLAY
CLOSE
SETUP
TORR
CODE
The code number is
displayed and edited
here.
In this example, the
code number is 12x,
where x represents
the channel number
of an ion gauge.
This is the number for the
reference channel.
This display toggles between
oFF (disable the auto power control)
and on (enable the auto power
control). The auto power control
is enabled in this example.
MAIN DISPLAY
This is the shutoff pressure for the auto power control.
Figure 75: Code 12x Display
This function applies to ion gauges only.
The x in the code number represents the channel number associated with the ion gauge. This
function is used to turn the power to an ion gauge on or off automatically with respect to a
pressure reading from a reference channel. The parameters which can be adjusted with this
function are the switchpoint (the pressure at which the gauge is powered off), selection of the
reference channel, and enabling/disabling (turning on or off) the Automatic Power On/Off feature
itself.
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