[. . . ] 4cm/s): for double recording time (for example, 120 minutes using both sides of a 60-minute cassette). set VOR to: H or L to start and pause recording automatically to the sound. When the sound to be recorded is not loud enough, set the VOR switch to OFF, or the unit may not start recording. [. . . ] After the batteries have been used for a while, the BATT lamp may flicker with the playback sound when you turn up the volume; however, this does not mean that you need to replace the batteries. â· The unit will play back normally for a while even after the BATT lamp dims. 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 . Insert two size R6 (AA) batteries (TCM-21DV: supplied) with correct polarity and close the lid. â· When you do not use the unit for a long time, remove the batteries to avoid any damage caused by battery leakage and subsequent corrosion. â· Dry batteries will not be expended when another power source is connected. (Using a Sony HF series cassette tape and playing back with speakers) Do not use a High-position (TYPE II) or metal (TYPE IV) tape, otherwise the sound may be distorted when you play back the tape, or the previous recording may not be erased completely. Before using the rechargeable batteries, charge them with the supplied battery charger adaptor and AC power adaptor. 2 mV for 3 kilohms or lower impedance microphone Output Earphone jack (minijack) for 8 - 300 ohms earphone Variable range of the tape speed From approx. The raised bar near the MIC jack identifies as the jack for a microphone not an earphone. For other models: Use a microphone of low impedance (less than 3 kilohms) such as ECM-T115 (not supplied). When using a plug-in-power system microphone, the power to the microphone is supplied from this unit. note When recording with an external microphone, the VOR system may not work properly due to difference in sensitivity. Should any problem persist after you have made these checks, consult your nearest Sony dealer. â· When trying to run on dry batteries, the AC power adaptor has been left plugged in to the DC IN 3V jack, but not to the power source. ** If you leave the unit after the tape has been wound or rewound, the batteries will be consumed rapidly. Connect another equipment to the MIC jack using the RK-G64HG connecting cord (not supplied). [. . . ] Connect another equipment to the MIC jack using the RK-G64HG connecting cord (not supplied). Insert a cassette with the side to start playing facing the cassette holder. There is a raised dot beside VOL to show the direction to turn down volume. [. . . ]