ELECTRONIC PERSONAL DOSEMETER HANDBOOK
EPD/HB/40521/000
TECHNICAL DESCRIPTION
ISSUE 5
Thermo
Page 49
communications are completed. This gives the user time to remove the EPD from
the IR field. The EPD continues to measure radiation during communication.
4.5.2 EPD Configuration via the IR Communications Links
Communication via the EPD’s IR communications link will allow access to the
following EPD functions and displays:
♦ Default Display
♦
User Identification
♦
Dose and Dose Rate
♦ Alarms and Alarm Thresholds
♦
Counts
♦ Dose Quality
♦
Control of the EPD
♦
Status
♦
Scratch Pad
♦
Timed Events
♦ Dose Profile
♦
Special Total Dose Store
♦
ADS Issue
♦
Calibration Parameters
Access to these configuration parameters is restricted as follows:
1) CALIBRATION FACTORS:
Write access to calibration parameters is prevented unless the EPD is
configured by the manufacturer with calibration parameters unlocked (default is
locked). If the calibration parameters are unlocked then suitable s/w available
through Thermo can adjust the ‘gains’ of the EPD calibration within specified %
limits from the original manufacturer’s calibration.
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