Philips PM3320 Operating Manual page 107

4-87E
UP
By pressing softkey UP, the next higher sub front number of the selected sequence
is displayed in the softkey text area.UP functions untill the EOS (end of sequence) is
reached.
The following messages
Selected front doesn't exist.
Front numbers not changed
or
There is no sequence to this main front.
or
Begin or end of the sequence reached.
can be displayed.
DOWN
By pressing softkey DOWN, the next 'ower sub front number of the selected
sequence is displayed in the softkey textarea.
DOWN functions until the first front is the sequence is reached.
The following messages
Selected front doesn't exist.
Front numbers not changed.
or
There is no sequence to this main frame.
or
Begin or end of the sequence reached.
can be displayed.