3.6.2.4MCNTl PC BoardService personnel can adjust the buzzer acoustic sound by a potentiometerRVl.(1)Location of theRVldOpen the Compartment Cover by using the Release Lever. And remove ascrew0.WRemove the twoscrews@.COMPPrRTMENTS CR E WFig. 3.6.2.140ASCREWS@COVERFig.3.6.2.153- 15