TRI-O SPL-D2 Sound-Level Display Unit Manual
Onetsetsani chitetezo mukamagwiritsa ntchito TRI-O SPL-D2 Sound-Level Display Unit ndi malangizowa. Tsatirani malangizo mosamala, gwiritsani ntchito zingwe zovomerezeka ndi magetsi, ndipo pewani madzi, kutentha, ndi zinthu zakunja. Sungani mtsogolomo.