Sony DVR-TRV50 Operating Instructions Manual page 15

Basic operations in the NETWORK mode
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(1) Tap [abcy123], then tap [abc].
(2) Tap [a/A] to be able to enter upper-case letters.
(3) Tap [H].
"H" is entered.
(4) Tap [a/A] to be able to enter lower-case letters.
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DCR-TRV50 Network 3-074-603-11(1).US
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