INSTRUCTIONS FOR USE Pro-Ject Head Box DS
Dear music lover, thank you for purchasing a PRO-JECT AUDIO headphone amplifier. In order to achieve maximum performance and reliability you should study these instructions for use carefully. ! Warning of a hazard for the user, the unit or possible misuse. Important notice. Safety instructions AC outlet voltages vary from country to country. Before connecting to the mains, make sure that the voltage in your area meets the voltage requirements printed on the power supply.
Mains power connection Connect the low voltage plug from the power supply to the Power 18V power supply to the mains. " socket before connecting the Front panel controls - + Head Box DS ! Please set the volume level to minimum before connecting the headphone. Minimum impedance of the head phone 30ohms. To switch on from standby or to standby will toggle the unit between its fully operational status and standby. After switching on, the USB input will be selected automatically.
Potential incorrect use and fault conditions No signal on one or both channels: No connection between headphone and headphone amplifier ore amplifier. This could be due to a faulty plug, broken wire or solder joint or simply loose plug/socket connection. Headphone does not work: Headphone volume control is at minimum. Amplifier Tape-Monitor circuit is not activated.
