Winning Trial Advocacy Tips has an excellent post on how to improve the reading of depositions at trial.
4. Tab the appropriate pages. Just like on the radio, you want to prevent the courtroom from filling with “dead air.” When your witness is flipping through pages of the transcript, trying to find what portion he’s supposed to read next, it breaks the flow of your presentation and gives the jurors’ minds an opportunity to wander away. Prevent “dead air” by tabbing the witness’s transcript, so he clearly understands which portion to flip to next. Combined with the highlighting, this little bit of extra effort will make it much easier for your witness to smoothly present the transcript.