Operation of STETHTRON is simple :
1) Put on the binaural earframe.
2) Keep the chestpiece on the subject, at the desired location.
3) Switch On instrument using the POWER switch.
4) Increase the VOLUME to the desired level.
5) To change pitch of the sounds, use the FILTER switch.
* For low pitch heart sounds, murmurs and respiratory sounds, keep the . Filter Switch in LO-FILTER position.
* For high pitch heart sounds, press Filter switch
to HI-FILTER position.
Loud and Distinct I,II,III,IV heart sounds Crystal-Clear murmurs & respiration sounds Auscultation is