Reference Guide
Table Of Contents
- About This Guide
- Chapter 1 Getting Started
- Chapter 2 Accessories Setup
- Chapter 3 Batch and Spectrum One Terminal Setup
- Chapter 4 Spectrum24 RF Terminal Setup
- Chapter 5 Operating the PDT 6800 Series
- Chapter 6 Maintaining the Terminal
- Chapter 7 Error Recovery and Troubleshooting
- Appendix A Null Modem Pin-outs
- Appendix B Keyboard Layouts
- Appendix C Communications Status Codes
- Appendix D Specifications
- Appendix E Boot-Up Quick Reference
- Appendix F 2D Scanner Drivers and Applications
- Numerics
- A
- B
- C
- D
- E
- F
- I
- K
- L
- M
- N
- P
- R
- S
- T
- U
- W
7-5
Error Recovery and Troubleshooting
Self Test Function
Command mode includes a Self Test function which verifies that terminal hardware
components are operating properly. Components tested include:
!
Real-time clock (RTC)
!
Battery power
!
Keyboard codes
!
Liquid crystal display (LCD) controller
!
Read-only memory (ROM), random-access memory (RAM), expanded memory
(EMS), and non-volatile memory (NVM).
Run Self Test if you suspect a problem with the hardware. Except for keyboard testing, no
operator input is necessary after selecting a test screen.
Running Self Test
Access the Self Test function from the Command Mode Menu:
1. Boot to Command Mode (refer to Chapter 5, Operating the PDT 6800 Series for
boot sequence).
2. In the Command Mode Main Menu, use the UpArrow or DownArrow to scroll
through the options.
3. Highlight Self Test and press <Enter>.
Press <CLR> in any Self Test screen to return to the Self Test screen, or from the Self Test
screen to return to the Command Mode screen.