... , h. 264 hardware compression,subtitles, real-time information superposition function, operator information, air pressure,slope, dip angle, speed and ... time displayc. Real-time record(720*576)d. Give information on slop of pipe Cable Drum1. The cable rolls in and ... including cable)5. Meter count ,the distance can display on the controller,locate correctly (optional)6. Reverse synchronization function ...