diff --git a/chemclipse/plugins/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/synced.gif b/chemclipse/plugins/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/synced.gif
new file mode 100644
index 0000000000..870934b693
Binary files /dev/null and b/chemclipse/plugins/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/synced.gif differ
diff --git a/chemclipse/plugins/org.eclipse.chemclipse.ux.extension.xxd.ui/fragment.e4xmi b/chemclipse/plugins/org.eclipse.chemclipse.ux.extension.xxd.ui/fragment.e4xmi
index e17e67cb2f..118718f8c9 100644
--- a/chemclipse/plugins/org.eclipse.chemclipse.ux.extension.xxd.ui/fragment.e4xmi
+++ b/chemclipse/plugins/org.eclipse.chemclipse.ux.extension.xxd.ui/fragment.e4xmi
@@ -154,7 +154,7 @@
     <elements xsi:type="basic_1:PartDescriptor" xmi:id="_1jNsYIkLEeinUb0EwJIC5g" elementId="org.eclipse.chemclipse.ux.extension.xxd.ui.part.baselinePartDescriptor" label="Baseline Chromatogram" iconURI="platform:/plugin/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/baseline.gif" closeable="true" contributionURI="bundleclass://org.eclipse.chemclipse.ux.extension.xxd.ui/org.eclipse.chemclipse.ux.extension.xxd.ui.parts.ChromatogramBaselinePart"/>
     <elements xsi:type="basic_1:PartDescriptor" xmi:id="_09cwEJ8IEei6lNffkYM4iw" elementId="org.eclipse.chemclipse.ux.extension.xxd.ui.part.peakScanListPartDescriptor" label="Peak/Scan List" iconURI="platform:/plugin/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/peaks.gif" closeable="true" contributionURI="bundleclass://org.eclipse.chemclipse.ux.extension.xxd.ui/org.eclipse.chemclipse.ux.extension.xxd.ui.parts.PeakScanListPart">
       <toolbar xmi:id="_eG44YEAdEeq-JInVnROw1A" elementId="org.eclipse.chemclipse.ux.extension.xxd.ui.toolbar.1">
-        <children xsi:type="menu:DirectToolItem" xmi:id="_gHHqwEAdEeq-JInVnROw1A" elementId="org.eclipse.chemclipse.ux.extension.xxd.ui.directtoolitem.link" label="link" iconURI="platform:/plugin/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/reset.gif" tooltip="Peaks selected in the chromatogram editor are also selected in the list" selected="true" type="Check" contributionURI="bundleclass://org.eclipse.chemclipse.ux.extension.xxd.ui/org.eclipse.chemclipse.ux.extension.xxd.ui.parts.PeakScanListPart$LinkWithEditorHandler"/>
+        <children xsi:type="menu:DirectToolItem" xmi:id="_gHHqwEAdEeq-JInVnROw1A" elementId="org.eclipse.chemclipse.ux.extension.xxd.ui.directtoolitem.link" label="link" iconURI="platform:/plugin/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/synced.gif" tooltip="Peaks selected in the chromatogram editor are also selected in the list" selected="true" type="Check" contributionURI="bundleclass://org.eclipse.chemclipse.ux.extension.xxd.ui/org.eclipse.chemclipse.ux.extension.xxd.ui.parts.PeakScanListPart$LinkWithEditorHandler"/>
       </toolbar>
     </elements>
     <elements xsi:type="basic_1:PartDescriptor" xmi:id="_E2a8MJ-_EeiwcpSBA4bXjQ" elementId="org.eclipse.chemclipse.ux.extension.xxd.ui.partdescriptor.peakQuantitationReferencesPartDescriptor" label="Peak Quantitation References" iconURI="platform:/plugin/org.eclipse.chemclipse.rcp.ui.icons/icons/16x16/peaks.gif" closeable="true" contributionURI="bundleclass://org.eclipse.chemclipse.ux.extension.xxd.ui/org.eclipse.chemclipse.ux.extension.xxd.ui.parts.PeakQuantReferencesPart"/>