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Changing from mR & mR/hr to µSv & µSv/hr
WARNING: When changing the units from mR & mR/
hr to µSv & µSv/hr, ALL THE ACCUMULATED DOSE
DATA STORED IN THE SENTRY WILL BE ERASED.
To change the units of measurement, click the desired
unit and click the "Update with New Settings" button.
Data Logging Frequency
This setting will determine how often data is recorded.
For example, if you set the frequency to 1 minute, there
will be a record every 1 minute when you download
your accumulated data from The Sentry. (See Fig. 8)
Changing the Time and Date on The Sentry
To display the current date and time setting for The
Sentry, click "Get Date and Time".
Fig 7. Screen capture of the Calibration Screen
To set the date and time of The Sentry to the current
date and time of your PC, click "Set Date and Time to PC" and then click "Update with New Settings"
button. (See Fig. 3)
You can also set the date and time to any desired
setting by selecting the date and time you desire in
the available date and time fields and then clicking
"Update with New Settings".
Calibration Factor
If the factory defaults of The Sentry do not meet your
needs, you can adjust the deadtime and the cal factor
by inputting your new settings in the Calibration tab.
Retrieving Accumulated Dose Data
The Sentry allows the user to download and log data
that has been accumulated in The Sentry's memory.
To download your data, connect your computer to The
Sentry as described in Connecting The Sentry to the
PC. Click on the "Data Log" tab, then click "Retrieve
Data". After the table in the Data Log tab has been
populated, you can click "Save Data" to save it to
your computer as a text file. Accumulated Exposure
readings labeled "Power On" indicate that the unit
was turned off and on.
Fig 8. Screen capture of the Data Retreval Screen
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