Up to 12 characters can be displayed at a time.
If there are 13 characters or more, pressing and holding for 1 second or more will display the remaining characters.
A maximum of 24 characters can be displayed.
If is pressed for 1 second or more again or has not been pressed for 6 seconds or more, the display will return to the first 12 characters.
Depending on the contents recorded, the characters may not be displayed properly or may not be displayed at all.