AIPHONE LEF-LD Loudspeaker Intercom System User Guide

Phunzirani zonse za LEF-LD Loudspeaker Intercom System ndi bukuli. Pezani tsatanetsatane wazinthu, zojambula zamawaya, ndi ma FAQ amitundu ngati LEF-3-LD, LEF-5-LD, ndi LEF-10-LD. Zoyenera kuyankhulana kwakutali komanso kugwiritsa ntchito elevator.