[. . . ] Refer to these numbers whenever you call upon your Sony dealer regarding this product. To prevent fire, do not cover the ventilation of the apparatus with newspapers, table-cloths, curtains, etc. To prevent fire or shock hazard, do not place objects filled with liquids, such as vases, on the apparatus. [. . . ] You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this equipment. At the end of the tape, recording stops and the unit turns off automatically. In the direction of the arrow To release pause recording, release PAUSE . TCM230DV 220DV 210DV AC power a  a adaptor (1) Battery charge a   adaptor (1) Rechargeable batteries a   NH-7WMAA* (2) Battery carrying a   case (1) Batteries  a  LR6 (2) Cassette tape  a a HF-60 (1) Monaural a  microphone (1)  Carrying  a  pouch (1) a: supplied Â: not supplied *(1. (Using a Sony HF series cassette tape on which music has been recorded is played at volume setting 7 using speaker) ** When using Sony LR6 (SG) alkaline dry batteries (produced in Japan) The battery life may be shorter depending on the operating condition, the surrounding temperature and battery type. If you do so, the sound may be distorted when you play back the tape, or the previous recording may not be erased completely. Use the AC-E30HG AC power adaptor (not supplied) or the supplied AC power adaptor (TCM-230DV/210DV only). Insert two R6 (size AA) batteries (supplied to TCM220DV only) with correct polarity and close the lid. When you use the system in a noisy place, the unit will stay in the recording mode. If the sound is too soft, on the contrary, the unit will not start recording. Set it to H (high) or L (low) so that the system will pick up the necessary sound only. â· The VOR system may not record the beginning of the sound you want to record because it starts recording only after it catches the sound. Keep personal credit cards using magnetic coding or spring-wound watches, etc. Away from the unit to prevent possible damage from the magnet used in the speaker. [. . . ] Should any problem persist after you have made these checks, consult your nearest Sony dealer. â· The unit will not run on dry batteries if the AC power adaptor is left plugged into the DC IN 3V jack even though you disconnect the AC power adaptor from the power source. When recording with an external microphone, the VOR system may not work properly due to difference in sensitivity. [. . . ]