Sony ILCE-9 Instruction Manual page 54

Examples of the focusing frame display
The focusing frame differs as follows depending on the shooting mode.
When focusing with the contrast AF or phase detection AF
When focusing with the phase detection AF
• When you attach an A-mount lens with a Mount Adaptor
(LA-EA1 or LA-EA3) (sold separately) and [
[Phase Detection AF], the focusing frame for "When focusing with the
phase detection AF" may be displayed.
When focus is achieved automatically based on the whole range of the
monitor
• When you use a zoom function other than the optical zoom, the
[Focus Area] setting is disabled and the focusing frame is shown by the
dotted line. The AF operates with priority on and around the center area.
GB
54
AF System] is set to