Samsung WAM750 User Manual page 42

When the M7 in use is connected using WPS or the Wi-Fi Setup method
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Connect the HUB to your wireless router with a LAN cable, and then plug the
1
HUB's power cable into an electrical outlet.
Plug in the power cable of the new M7. The new M7's blue LED pairing
2
indicator starts to flash. Wait until the pairing indicator on the M7 stops
flashing. When the indicator stops flashing, pairing is complete. The M7 may
also beep.
Turn off the old M7 by disconnecting the power cable. Then, connect it again.
3
Press the
pairing indicator starts to flash. Wait until the pairing indicator on the M7 stops
flashing.
When the indicator stops flashing, pairing is complete. The M7 may also beep.
On your smart device, select the Samsung Multiroom app. Setup starts.
4
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SPK Add
button the back of the old M7. The old M7's blue LED