Auto/Manual range of Audio Tester Color LCD Display:
Nias lub khawm RAN kom muab cov ntawv qhia ntau yam. Nias tus yuam sij RAN ib zaug txhawm rau nkag mus rau ntau yam tom ntej.Tom tawm ntawm phau ntawv ntau hom mus rau Auto range hom, nias thiab tuav lub khawm RAN (2 vib nas this).
Default auto range of power on.
