Keywords: volume (sound), turn up (increase), turn on (start)
Sign Definition
As a Noun
                                            1.  The control on something such as a radio or heater that controls the amount of sound or heat being produced.
                                          
                                          
                                        
                                            2.  The amount of sound that a radio, TV, record player, CD player, etc., produces. English = volume.
                                          
                                          
                                        As a Verb or Adjective
                                            1. To adjust the controls on something such as a radio, lamp or heater so as to increase the amount of sound or heat being produced. English = turn up.
                                          
                                          
                                        
                                            2. To adjust the controls on something such as a radio, lamp or heater so as to start sound, light or heat being produced. English = turn on.
                                          
                                          
                                         
                  
                      