JVC KD-LX3R Manuel D'instructions page 28

3
4
5
6
Repeat steps 3 to 5 until you finish inputting the name.
7
To erase the input characters
Insert spaces using the same procedure described above.
28
Select the character set you want while " " is flashing.
Each time you press the button, the character set changes as follows:
Select a character.
About the available characters, see page 29.
Move the cursor to the next (or previous) character
position.
Press the button while the last selected character is
flashing.
The input name is stored in memory.
Capital letter
Numbers and symbols
Small letter