Agilent Technologies TwisTorr 304 FS AG Notice De Mode D'emploi page 254

17 Technical Information
How to Use by Front Panel
Black rectangles as shown below may be displayed at any time
in the first and last box of the bottom line of the display
(opposite the LS / AG / R1 / R2 captions). The meaning of these
rectangles is as follows:
LS ' the controller is at LOW SPEED
AG ' the Gauge is connected to the controller
R1 ' relay (set point) R1 is active
R2 ' relay (set point) R2 is active
Figure 31
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LS
AG
TwisTorr 304 FS AG Rack Controller User Manual / 87-901-029-01 (E)
R1
R2