Menu
                   1-LCD BACKLIGHT -------> 1-ON
                                            2-OFF
                   2-BARGRPH -------> 1-ON
                                      2-OFF
                   3-Refrence Signal -------> 1-Standard (20 uPa)
                                              2-Capture Ref Signal
                   4-Sample Freq 
                   
                   5-Number of Samples
                   
                   6-Alarm                             * masalan ye meghdar dB begire har vaght 
                                                       * az on bishtar shod ye alarmi bede
                   
                   7-Exit