Change Viewers
If you are an administrator of the computer or User Account Control (UAC) is disabled, you can change order of viewers if you prefer the way one viewer displays a particular file format or the way tools work in that viewer.
When you display a document, PowerUser or PowerWeb tries to use the first viewer in its list of available viewers for each file type. If the first viewer fails, it moves on to the next viewer in the list.
Note:
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System administrators can disable this feature.
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For information about third-party viewer tools, refer to that viewer’s documentation.
Use these steps for PowerWeb.
In PowerWeb, this feature is only available Internet Explorer when ActiveX compatibility mode is selected. When this is not the case, only PDFTron and Forge are supported.
To change the order of the viewers:
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Select your user.
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In the context menu that opens, select Preferences.
The Change preferences for YourUser page opens.
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Select the ActiveX compatibility mode check box if it is not already selected.
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Click Viewer options.
The Meridian View Control dialog box opens. The Viewer Priority page, under Use viewers in order contains the list of available viewers for the selected file type.
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Select the viewer you want then move it to the top of the list using the 
button.
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Click OK.
Note:
If hyperlinks in PDF documents do not work as expected, click the Options icon 
with the Acrobat viewer selected as described below and then enable Embed Acrobat viewer into Web Browser control.
Use these steps for PowerUser.
To change the order of the viewers:
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Select a document of the format for which you want to select a different viewer.
For example, select an AutoCAD drawing file if you want to use a different viewer for this file format.
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Right-click in the viewer pane and select Viewer Options.
The Meridian View Control dialog box appears. On the Viewer Priority page, under Use viewers in order is the list of available viewers for the selected file type.
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Select the desired viewer from the list and move it to the top of the list using the button.
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Click OK.
You should now see the document displayed with the chosen viewer in the viewer pane. This procedure applies to all file formats and all viewers.
PowerWeb Procedures