PROC deactivate_network_clock, deanc (
    status)

  create_variable nav$status kind=status

  deactivate_system_task network_clock status=nav$status

  IF nav$status.normal THEN
    display_value 'Network clock deactivated.'
  ELSE
    EXIT_PROC with nav$status
  IFEND

  delete_system_task name=network_clock status=nav$status

  IF NOT nav$status.normal THEN
    EXIT_PROC with nav$status
  IFEND

PROCEND deactivate_network_clock
