The case was adjourned until next Friday at 10am.
Ashley Gill-Webb was granted bail providing he stays at his own home address, or at hospital, except on the night before the trial continues.
More top news
London City Airport estimates the scheme will create 1,600 jobs for staff, together with 500 construction jobs.
Essex Police has become one of only four forces to use polygraph testing to help manage the risk posed by convicted sex offenders.
Two members of the public were injured along with two police officers who were in the unmarked vehicle.