^LBL - Caps Lock
^1 - Caps Lock
TAB - Tab
^I - Tab
CAPS lock forces all alphabetic characters to capitals. This function is shown on the top line of the display. Pressing caps lock a second time turns the function off.
TAB moves the cursor onto the next tab position in units of 8, i.e. column 8, 16, 24, etc.
CAPS lock is useful for entering programs.