Sony DVR-TRV50 Operating Instructions Manual page 37

Setting network preferences
1 "So-net" settings
(1) Tap [Network Setup].
The Network Setup screen appears.
The default setting is "So-net".
(2) Tap [Setting].
The Provider Setting: So-net screen appears.
Go to "2 Entering the telephone numbers of your access points" on page 38.
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DCR-TRV50 Network 3-074-603-11(1).US
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