diff --git a/pdb-ui/src/main/java/org/lucares/pdbui/PlotSettingsTransformer.java b/pdb-ui/src/main/java/org/lucares/pdbui/PlotSettingsTransformer.java
index 1aa5677..492433b 100644
--- a/pdb-ui/src/main/java/org/lucares/pdbui/PlotSettingsTransformer.java
+++ b/pdb-ui/src/main/java/org/lucares/pdbui/PlotSettingsTransformer.java
@@ -4,8 +4,10 @@ import org.lucares.pdb.plot.api.AggregateHandler;
 import org.lucares.pdb.plot.api.NullAggregate;
 import org.lucares.pdb.plot.api.PercentileAggregate;
 import org.lucares.pdb.plot.api.PlotSettings;
+import org.lucares.pdb.plot.api.TimeRangeUnitInternal;
 import org.lucares.pdbui.domain.Aggregate;
 import org.lucares.pdbui.domain.PlotRequest;
+import org.lucares.pdbui.domain.TimeRangeUnit;
 
 class PlotSettingsTransformer {
 	static PlotSettings toSettings(final PlotRequest request) {
@@ -26,10 +28,31 @@ class PlotSettingsTransformer {
 		result.setThumbnailMaxWidth(request.getThumbnailMaxWidth());
 		result.setThumbnailMaxHeight(request.getThumbnailMaxHeight());
 		result.setGenerateThumbnail(request.isGenerateThumbnail());
+		result.setYRangeMin(request.getyRangeMin());
+		result.setYRangeMax(request.getyRangeMax());
+		result.setYRangeUnit(toTimeRangeUnitInternal(request.getyRangeUnit()));
 
 		return result;
 	}
 
+	private static TimeRangeUnitInternal toTimeRangeUnitInternal(final TimeRangeUnit yRangeUnit) {
+		switch (yRangeUnit) {
+		case AUTOMATIC:
+			return TimeRangeUnitInternal.AUTOMATIC;
+		case MILLISECONDS:
+			return TimeRangeUnitInternal.MILLISECONDS;
+		case SECONDS:
+			return TimeRangeUnitInternal.SECONDS;
+		case MINUTES:
+			return TimeRangeUnitInternal.MINUTES;
+		case HOURS:
+			return TimeRangeUnitInternal.HOURS;
+		case DAYS:
+			return TimeRangeUnitInternal.DAYS;
+		}
+		throw new IllegalStateException("unhandled enum value: " + yRangeUnit);
+	}
+
 	static AggregateHandler toAggregateInternal(final Aggregate aggregate) {
 		switch (aggregate) {
 		case NONE: