Thermo EPD Mk2 - Page 24

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EPD/HB/40521/000

ISSUE 5

EPD TECHNICAL HANDBOOK Page 14

backlight effect is not apparent and the user may assume that a button press

operation has somehow been ‘lost’.

♦ The backlight activation causes a temporary alarm muting effect, see section

3.2.5.

Main Page

Default Chapter3
- Table of Contents3
Glossary7
Cautions9
Section 111
Introduction11
- General11
- Epd Major Characteristics11
- Brief Functional Description12
Section 215
Getting Started15
- Setting-Up15
- Unpacking the EPD16
- The EPD Battery16
- Start-Up Sequence19
- EPD Confidence Test20
- Issuing an EPD20
- Wearing an EPD21
Operating Instructions23
- Lcd Display and Backlight23
- Audible and Visible Alarms26
- Button Operation and Display Selection33
- LCD Display Lock-On Facility34
- Display Options and Button Functions36
Section 453
Technical Description53
- General53
  - Electrical Characteristics54
  - Battery Management54
- Mechanical Description56
  - Mechanical Characteristics and Dimensions56
  - Brief Mechanical Description56
- Environmental Description58
  - Environmental Characteristics58
  - Brief Environmental Description58
- Infra-Red Interface59
  - Communicating with the EPD59
- Epd Internal Processing & Facilities61
Section 571
Epd Faults and Recovery Actions71
- Overview71
- Visual and Audible Fault Indication72
- Internal Logging of Fault Conditions73
  - EPD Status Faults Record73
  - Event History Store73
- Blank Lcd Display and Other Faults75
- Initialisation Error ( Lcd77
- Communications Error ( Lcd ==== )77
- Lcd Display Error Codes79
  - Error Code79
- Recovery Procedures80
  - Logging Faults / Extracting Data80
  - Clearing Faults80
Section 687
Maintenance87
- Calibration87
- The Epd Battery89
- Epd Clip Assembly92
  - Removing the EPD Lanyard Plate/Clip Assembly93
  - Replacing the EPD Lanyard Plate/Clip Assembly94
- Cleaning95
Appendix A97
Radiological Specifications97
Appendix B99
Appendix B99
Electromagnetic Compatibility99
Appendix C105
Summary of General Physical & Functional Characteristics105
Appendix D109
Epd Fault Log Form109

Thermo EPD Mk2 - Page 24

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