LcdClear();
                sprintf (lcd_buf, "    ");LcdString (1,1);
                                               
               
               if (UP_Button)                           //     
                    {   
                        if (++OCR1A == 0) {OCR1A = 255;};
                        
                    };
                if (DOWN_Button)                      //     
                    {
                        if (--OCR1A == 255) {OCR1A = 0;};
                    };
                
                LcdLine (5,32,5,37,2);
                LcdLine (78,32,78,37,2);
                LcdLine (5,32,78,32,2);
                LcdLine (5,37,78,37,2);
                sprintf (lcd_buf, " <          >");LcdString (1,6);
                sprintf (lcd_buf, "  100%");LcdStringBold (1,3);    
                LcdUpdate();
                delay_ms(10);
                LcdMode (2);