Sulfonyldiazomethane compounds containing a long-chain alkylcyclohexyl group are novel and useful as photoacid generators. A data broadcast transmission rate and a level of error correction to be used when broadcasting data are determined based on prior feedback received from the plurality of receiver devices. A translator board is provided having third electrical contacts arranged in the first layout on a first surface, and fourth electrical contacts arranged in the second layout on a second surface with conductive traces forming an electrical connection therebetween. The lens may be held in place by an adjustable strap.