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When an alarm occurs, it can be acknowledged
by the user. The snooze setting allows a user to
dictate the time between an alarm
acknowledgement and the next time that the
D5 RIID will recognise that same source.
Navigating to the Alarm Thresholds setting allows the user to change alarm
thresholds, including for dose rate and background alarms. This is a restricted
setting and can be accessed by the pin.
9.17.1. Dose Rate Threshold
Changing the dose rate determines the level of radiation required to trigger a high
dose alarm. The high dose alarm for each mode of operation is described in the
relevant sections for each mode of operation.
The level can be changed using the up and down keys. The dose rate is set in