[. . . ] If the POWER lamp lights up orange, it means the remaining battery charge is very low. ˎˎThis unit cannot play back the sound of the computer via the Micro USB cable (for charging only). Recommended accessory USB AC Adaptor: AC-UD10 (sold separately) Recommended computer environment of USB charge Computers with one of the following OS installed and fitted with a USB port as standard ˎˎOperation is not guaranteed with all computers that meet the environment conditions below. [. . . ] ˋˋConnect the equipment into an outlet on a circuit different from that to which the receiver is connected. ˋˋConsult the dealer or an experienced radio/TV technician for help. The supplied interface cable must be used with the equipment in order to comply with the limits for a digital device pursuant to Subpart B of Part 15 of FCC Rules. In the unlikely event of a malfunction or failure or if a foreign object gets inside, immediately disconnect this unit from the video camera and contact your nearest Sony dealer. ˎˎThe speaker unit, built-in amplifier and cabinet are precisely aligned with one another. ˎˎIf the cabinet becomes dirty, wipe it using a soft cloth with a little mild detergent. ˋˋHigh temperature places such as in direct sunlight or near a heater. (Although this unit is magnetically shielded, do not leave recorded tapes, watches, credit cards or floppy disks in front of the speaker. ˎˎWhen moving this unit, do not place magnetic items such as floppy disks or credit cards near it. ˎˎWhen moving this unit, do not hold it when attached to a video camera. Troubleshooting Carry out the following checks before requesting repairs. On handling Sound is cracked or broken up, or there is noise   The sound is low or there is no sound ˎˎThe volume of this unit is set too high. Make sure the plugs of the connecting cable are firmly inserted into the Multi terminal of the video camera and the stereo mini jack of this unit. Make sure the plugs of the connecting cable are firmly inserted into the Multi terminal of the video camera and the stereo mini jack of this unit. [. . . ] ˎˎAlign the  mark on the plug of the connecting cable with the  mark on the Multi terminal of the video camera and insert the plug. ˎˎWhen the connecting cable is connected to the stereo mini jack of this unit, power is supplied to the unit and the POWER lamp of this unit lights up green. ˎˎDo not connect the Multi plug of the supplied connecting cable to the USB charging terminal of this unit. [. . . ]