Panasonic HC-W580 Operating Instructions Manual page 187

∫ Wireless Multi-Camera function
Connecting multiple smartphones to this unit via Wi-Fi allows you to simultaneously display two Sub
Windows and record images in them.
≥ Up to three smartphones can be connected simultaneously.
≥ W580 / W580M
You can also use the Sub Camera of this unit*.
* When the LCD monitor is either closed or closed with the screen facing outward, the Sub Camera
does not work. Open the LCD monitor.
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