Sony DCR-TRV80 Network Function Operating Instructions Manual page 9

Inputting characters
2 Selecting the character type
Tap [abcy123], then tap the desired character type.
abc: When inputting alphabets.
123: When inputting numbers.
When you selected abc
3 Inputting characters
(1) Tap the characters you want to input.
(2) After you input the characters, tap [Enter].
The Send screen appears again.
When you selected 123
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