30 MN1007-C
4.8 Alarm Configuration
Alarm levels may be configured for each measurement mode (cps (or cpm); µSv/h (or µR/h); Bq/cm
2
) and are
retained in memory following power down or battery replacement.
The levels apply to the probe type connected. For example, the cps alarm level configured for the scintillation
(SA50) probe may be given a different value to that of the corresponding cps alarm level for the GM probe.
Alarms may be enabled individually for each probe and measurement mode – as indicated by the on-screen alarm
symbol
.
The alarm status (enabled/disabled) is retained following power down or battery replacement.
4.8.1 Switching the alarm ON/OFF
The instrument’s high pitched alarm sounder may be enabled and disabled using the configuration menu.
The comprehensive range of alarm options are either based on a single numerical value (LEVEL) or a multiple of
the background level (FACtor.)
To access the Alarm settings, hold down the alarm
key for 3 seconds.
Note: momentary operation of the key will toggle the activity ‘click’ sounder on and off only.
The screen will display one of the two options shown below depending on current alarm status.
Figure 17 - Alarm ON/OFF selection
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General