(Telecompaper) BlackBerry has trimmed its full-year revenue outlook and announced the appointment of a Chief Revenue Officer at its second-quarter report. Adjusted revenues for the three months to August rose 22 percent year-on-year to USD 221 million. BlackBerry said it expects growth of 23-25 percent over the full year, down from an earlier outlook of 23-27 percent growth, while adjusted earnings should be positive in the fiscal year, compared to breakeven in the past quarter.