Hach-Lange POLYMETRON 9240 Operator Manual - Manual (Page 88)

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User Setup
7.3.2 Warning alarm
7.3.3 System alarm
Table 5 Warning alarm parameters
Value Description
Alarm
Yes Activate the warning alarm
No Deactivate the warning alarm
Accept
Manual When the alarm is triggered, turn it off by pressing the Enter function key
Auto
When the alarm is triggered, it will turn itself off only when the reason for the
alarm being triggered is no longer valid
Relay
N.O. Normally open
N.C. Normally closed
Set the parameters as required (see explanations in Table 5
above).
Table 6 System alarm parameters
Value Description
Alarm
Yes Activate the system alarm
No Deactivate the system alarm
Relay
N.O. Normally open
N.C. Normally closed
Set the parameters as required (see explanations in Table 6
above).