LG WT7900HWA-DLGX7901WE Owner's Manual page 23

4
Keep the phone in place until the tone
transmission has finished. The display will
count down the time. Once the countdown is
over and the tones have stopped, the
diagnosis will be displayed in the application.
NOTE
• For best results, do not move the phone while
the tones are being transmitted.
SMART FUNCTIONS 23