When using an external microphone, if you use the built-in Wi-Fi functions while recording, noise may be recorded due to interference from the wireless communication. As much as possible, keep external microphones away from the camcorder while recording.
Solution BP-808D/BP-819D/BP-827D battery packs cannot be used with XF400 / XF405 / VIXIA GX10 / LEGRIA GX10. If an incompatible battery pack is attached to XF400 / XF405 / VIXIA GX10 / LEGRIA GX10, the following screen will be displayed.