Called a local TV repair see below and they recommended holding down each key in the bottom two rows of the remote for 10 sec or more. I tried one by one and the blue key on the 2nd row from the bottom unlocked it. Hold it down for 10 sec and bingo. It's unlocked. Thanks BBR. See below.
BBR TV and Microwave Repair, Shop 14 Glenore Centre, Glenashley 4051, South Africa. Tel or Fax 031 572 5952 or 083 301 4070.
Darren
September 2010