VT-M2M-BTA-DE
1. Input “+++”, ZigBee respond “OK”.
2. Input “atce 1”, ZigBee respond “OK”.
3. Input “atcn”, Zigbee respond “OK”.
4. Wait a few seconds, Zigbee enter since the resumption of spontaneous
mode. For an example, input ”a”, when Zigbee respond “a”.
