Panasonic TX-40EX730E Ehelp page 228

Dual tuner function (watching or recording 2 programmes simultaneously,
●
watching a programme while recording another programme, etc.) is not
available while using DVB-via-IP server function.
Due to network conditions or certain broadcaster restrictions, this function
●
may not be available.
To confirm the current network settings
●
Network > Network settings > Network Status
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