Pioneer AVIC-Z1000DAB Operation Manual page 10

The hidden function keys appear.
NOTE
This key does not appear for some AV sources.
Operating the on-screen keyboard
Displays the characters that are entered.
Moves the cursor to the right or left for a number of characters equivalent to the
number of touches.
Enters the characters in the text box.
Deletes the input text to the left of the cursor one letter at a time.
Touching and holding the key deletes the letters to the left of the cursor in rapid
succession.
Confirms the entry and proceeds to the next step.
Enters a space.
Switches between alphabet and numbers/symbols.
Switches between capital and lower case letters.
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