ray VISION User Manual page 36

RAY User Guide RAY Interface Basics
On devices in which we have a physical keypad, the 8 different options are
arranged in a circular list where the order of the items when going in DOWN
direction is: key in position 2, 8, 4, 6, 1, 3, 9, 7.
If a function is left empty, RAY will skip it and move directly to the next item in the
list.
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