16 | PRM-7000 / 8000 / 9000 Users Guide
8.2 LED On/Off
The current state of LED will be displayed. Press to change. The LED blinks when
a nuclear particle is detected and provides visual feedback as to the current measure-
ment level.
NOTE: When the unit enters the sleep state and the LCD display is off, the settings
of the Beeper and LED will remain in effect. While these indicators have been de-
signed to enable prolonged battery life, both the Beeper and LED should be disabled
to provide the longest battery life.
8.3 Alarm On/Off
This setting is used to enable or disable the dose rate alarm. The current On/Off state of
Alarm will be displayed. Press
to change. An Alarm condition will occur when the
Alarm is On and when the Alarm dose-rate level is exceeded.
NOTE: Once an alarm condition is present, the alarm will continue to sound until the
measurement is no longer greater than the threshold level.
8.4 Setting Alarm Threshold in mR/hr (mR/hr Alarm)
This setting allows the user to select the desired alarm level threshold in mR/hr units.
Once selected the display will indicate the current setting. The table below outlines how
to use the keys to enter the desired value.
8.5 Setting Alarm Threshold in uSv/hr (uSv/hr Alarm)
This setting allows the user to select the desired alarm level threshold in uSv/hr units.
Once selected the display will indicate the current setting. The table below outlines how
to use the keys to enter the desired value.
8.6 Setting the Time and Date (Set Time/Date)
Use the keys as indicated below to set the time and date. The clock is represented in
24-hour format. See “3.4 Setting Time and Date” for step-by-step instructions.
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