Ibm Asynchronous Color Terminals WS525 Manual de usuario Pagina 33

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A
Maintenance and Troubleshooting
A.1 Cleaning your Video Terminal
Cleaning the Screen
Before cleaning the screen, set the terminal power switch to the off
position and wait 20 seconds to let static electricity dissipate.
Clean the screen with a video screen cleaner.
Cleaning the Keyboard
If needed, wipe the keys with a soft cloth. Do not allow moisture to
get under the keys.
A.2 Troubleshooting
Identifying and Correcting Problems
The following can be sources of problems:
Communications cables
Host system
Power or electrical sources
Adjustment of brightness or contrast controls
Maintenance and Troubleshooting A–1
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