4.2.16 Controller offline detection...................................................................................................... 36
4.2.17 WIFI SSID and password modification....................................................................................36
4.2.18 Repeat ID detection.................................................................................................................. 36
4.2.19 Edit ID...................................................................................................................................... 37
4.2.20 Timing speech and speech timekeeping for delegate unit........................................................ 37
4.2.21 Indicator for headphone input / battery charge input / battery state / WIFI Signal Strength... 38
4.2.22 Short message........................................................................................................................... 38
4.2.23 Automatic power-off when out of power..................................................................................39
4.2.24 Switch button............................................................................................................................39
4.2.25 indicator for too low signal strength.........................................................................................39