icon and select the priority you want to use. To restore to default parameter value click the 
icon.The PI Device Features UV/OV form displays the calculated values related to under- and over-voltage programming.
You can specify Voltage Protection Priority. Click the icon and select the priority you want to use. To restore to default parameter value click the icon.
You can specify the custom value for Undervoltage On Max or Overvoltage Off Max parameters depending on the selected Voltage Protection Priority option. If the value you specified exceeds the maximum allowed limit you will get the warning message. To edit desirable parameter, click the calculator icon on the right of the parameter box. The icon now indicates that the custom parameter value is specified. To restore to default parameter value click the icon.
Input Sensing Diodes Enabled check box adds two line sense diodes between RLS resistor and AC side of the input bridge.
To replace diodes if any, click the black down arrow control on the right of the calculator icon and select Change. In the Diode dialog box, select the diode you want to add. Click OK. The diode is now replaced. The icon indicates that the custom selected diode is chosen. Return default diode using the black down arrow control on the right of the icon and selecting Default.