Yes he is performing ES0.5 Which verifies all safety equipment that should have actuated did so.
They perform immediates: TRip Breakers Open, Rods In, Power Lowering, Shutdown boards energized , Turbine tripped and if SI is required at least one full train in service (If not turn it on) (Procedure)
Then they do Prudents, do a quick scan and any other safety related that should have started do so now. (Doing the right thing)
Then they enter E-0 and read the steps for the immediates. to back up they were done correctly.
Then the SRO directs ES0.5 to formally check safety equipment and check containment isolation.