Question for Leapfrog Technologies Sdn Bhd

AsSalam. Hi, my name is Hj Samsuri. Couple of years ago, 12 years to be exact, I was presented with A Global Bilal Set for Azan's Calls.I dont know how to start this set, its still working, but how to set up this thing? The brochure is missing now. Pse help me. Appreciate it very much. My email adderess is: samzaei@ gmail.com. salam.