Sony DCR-PC101 - Manual (Page 110)

110
If you take five minutes or longer to enter characters in tape recording standby
while a cassette is in your camcorder
The power automatically goes off. The characters you have entered remain stored in
memory. Set the POWER switch to OFF (CHARGE) once and then to CAMERA again,
then start again from step 1.
We recommend setting the POWER switch to VCR or removing the cassette so that
your camcorder does not automatically turn off while you are entering title characters.
To erase the title
Press
C. The last character is erased.
To enter a space
Press
c.
To enter the same character on the same button in succession
Press
c to move the cursor to the next position, and enter the character.
Making your own titles