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68
ACX Analyzer System Commissioning Instruction
CI/ACX-EN Rev. D
Analyzer System Operation
Display/Control Unit
Figure 12
Display/Control Unit
Status LED’s
Numeric
Keypad
Softkeys
Cancel Keys
Status LED’s
Power
Green LED: The power supply is on.
Maint
Yellow LED: The “Maintenance Request” status signal is on.
The measured value is valid.
Error
Red LED:
The “Error” status signal is on.
The measured value is no longer valid.
Cancel Keys
Back
Allows the operator to cancel a function or menu item and to return to the previous
menu level.
Meas
Allows the operator to cancel a function or menu item and to return to the measured
value display in measurement mode.
Only entries confirmed with
ENTER
are stored; unconfirmed items are not accepted.
Softkeys
Allows the operator to scroll to the next display “page”. This key only allows forward
scrolling.
STATUS
MESSAGE
Appears in measurement mode if an “Error” or “Maintenance request” condition arises.
This key allows the operator to call up the status message log and view the status
messages. The operator can also call up a detailed display for any message in the log.