1. Probably a buffer underrun occurred

2. Enable Burnfree (or Just Link) to avoid buffer underruns

3. Writer does not support buffer underrun free recording (BURNPROOF

4. Writer does not support buffer underrun free recording (Burnfree

5. When measuring approach and departure angles and ramp angles, no account is taken of underrun protective devices.

6. When measuring front and rear incidence angles and ramp angles, no account is taken of underrun protective devices.