Режим сохранения энергии
	
procedure TForm1.FormCreate(Sender: TObject);
begin
  Timer1.Enabled := false;
  Timer1.Interval := 10000;
  MonitorOff := false;
end;

procedure TForm1.Timer1Timer(Sender: TObject);
begin
  if MonitorOff then begin
    MonitorOff := false;
    SendMessage(Application.Handle,
                wm_SysCommand,
                SC_MonitorPower,
                -1);
    Timer1.Enabled := false;
  end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
  MonitorOff := true;
  Timer1.Enabled := true;
  SendMessage(Application.Handle,
              wm_SysCommand,
              SC_MonitorPower,
              0);
end;