70
Startup and Basic Operation
The Alarms activated field makes it possible to deactivate the
alarm limits without clearing the limits.
Set the limits as required. Individual alarm limits may be disabled
by clearing the alarm limits using the B/Clear Limit Function Key.
The “<“ (lower than) limit may have a higher value than the “>” (higher
than) limit. In that case MC5P emits an alarm when the measure-
ment is inside the range specified by the alarm limits.
Note.
Remember to set/check also the rate alarm unit if you set any rate
alarms.
Appearance of the alarm settings.
The alarm settings can be seen as symbols in the measuring win-
dow and in the window setup menu as follows:
Symbol Definition
[ - - ( - - )] No limit settings
[< - ( - - )] Low limit is set
[ - > ( - - )] High limit is set
[< > ( - - )] Low and high limits are set
[> < ( - - )] Low and high limits are set. Low > High
[ - - ( < - )] Low rate limit is set
[ - - ( - > )] High rate limit is set
[ - - ( < > )] Low and high rate limits are set
[ - - ( > < )] Low and high rate limits are set. Low > High
[< > ( < > )] All limits are set.
Acknowledging alarms
When an alarm limit is exceeded, MC5P emits an audible alarm.
The alarm can be acknowledged from all other keys except the
following keys: , and or any key combinations including
one or more of the previously listed keys. The active alarm limit is
underlined in the measurement window as long as the alarm limit is
exceeded.
High alarm limit
>
Low alarm limit:
High alarm limit
<
Low alarm limit:
ALARM
ALARM
No alarm
No alarm
No alarm
Low alarm
limit
High alarm
limit
Low alarm
limit
High alarm
limit
ALARM
Measured value
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