Change GUI render divisor to 4 decimal places

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 - Improve error messages for 24-bit WAV files (#443)
 - Add end time field to GUI (#451)
+- Change GUI render divisor to 4 decimal places (#451)
 
 ## 0.8.1
 

corrscope/gui/view_mainwindow.py

@@ -148,6 +148,7 @@ class MainWindow(QWidget):
                 ) as self.render__res_divisor:
                     self.render__res_divisor.setMinimum(1.0)
                     self.render__res_divisor.setSingleStep(0.5)
+                    self.render__res_divisor.setDecimals(4)
 
         return tab