private static async Task EnableOperationModeEdl40(string portName, SmlComServiceClient proxy, Guid clientGuid, int hostOffset)
{
Console.WriteLine();
Console.WriteLine("{0} - Enabling EDL40 mode with host offset: {1}.", portName, hostOffset);
proxy.EnableOperationModeEdl40WithHostOffset(clientGuid, portList.FirstOrDefault(m => m.ComPortName == portName), hostOffset);
var booleanResult = proxy.ReadIsOperationModeEdl40(clientGuid, portList.FirstOrDefault(m => m.ComPortName == portName));
//Console.WriteLine("Operation mode read: " + Stringify(booleanResult));
var meterTimeResult = proxy.ReadDateAndTime(
clientGuid, portList.FirstOrDefault(m => m.ComPortName == portName));
Console.WriteLine("{0} - Meter time read: {1}", portName, Stringify(meterTimeResult));
Console.WriteLine();
}