In advance familiarize yourself with the topic of the speech
Note down main points of the speech - it'll help you when interpreting
Translate and clarify the meaning of special terms and key words prior to interpreting
Establish friendly relations between you and the speaker at a consecutive translation
Remember to pronounce words distinctly and clearly
Produce a brief summary at the end of the speech - it helps to clarify conclusions
React quickly and be ready to work under pressure
Enjoy what you are doing ..:-) there won't be a second chance
Transmit a clear message to the target audience