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228 Chapter 10 Managing Preferences
To adjust screen appearance:
1 In Workgroup Manager, click Preferences.
2 Make sure the correct directory is selected and you are authenticated.
To switch directories, click the globe icon. If you are not authenticated, click the lock
and enter the name and password of a directory domain administrator.
3 Select one or more users, groups, computers, or computer groups.
4 Click Universal Access.
5 Click Seeing and then select a management setting.
6 To enable zooming, select “Turn on Zoom;” to fine-tune zoom settings, click Zoom
Options.
Use the sliders to set a maximum and minimum zoom.
To show a preview area, select “Show preview rectangle when zoomed out.”
To improve the appearance of zoomed graphics, deselect “Smooth images.”
7 To change the color scheme to white on black or grayscale, select “Switch to” and then
select “White on Black” or Grayscale.
8 Click Apply Now.
Setting a Visual Alert
If users can’t hear computer alert sounds (for example, the sound played when new
mail arrives or an error occurs), you can flash the screen as an alternative.
To set a flashing alert:
1 In Workgroup Manager, click Preferences.
2 Make sure the correct directory is selected and you are authenticated.
To switch directories, click the globe icon. If you are not authenticated, click the lock
and enter the name and password of a directory domain administrator.
3 Select one or more users, groups, computers, or computer groups.
4 Click Universal Access.
5 Click Hearing and then select a management setting.
6 Select “Flash the screen whenever an alert sound occurs.”
7 Click Apply Now.
Adjusting Keyboard Accessibility Options
If some users have difficulty pressing keys, you can use Sticky Keys or Slow Keys to help
them use the keyboard.