Type: NG 8280 Input voltage: 17 VAC.For mains connection use the submitted AC adapter only. Input power: 7 VA Input fuse: T400mA, 250V Output: Sine wave 1kHz; Filtered pink noise Output Voltage Low: 0–100mV/1kohm 0–35mVrms/1kohm Medium: 0–1V/1kohm 0–350mVrms/1kohm High: 0–5V/1kohm 0–1.7Vrms/1kohm Dimensions: W = 290 mm; D = 270 mm; H = 75 mm Weight: 1.3 kg AC adapter included Operating temperature:+15 - +35 °C Function ON / OFF:On/Off switch Sine 1 KHz / Pink Noise:Switch for sine wave or filtered pink noise Level: Switch for 3 different output levels Adjust: Adjustment of output voltage Phase Shift 90° / 0°: One of the outputs shifted 90° compared with the other or the outputs are in phase. A Out, B Out:Output connectors, Phono socket and 4 mm sockets (Banana type). Cleaning: To clean the unit, wipe with a soft, dry cloth. For stubborn dirt wet a soft cloth with a mild detergent solution, wring well, and then wipe off the dirt. Also use a dry cloth to wipe the surface dry. Do not use volatile liquids such as benzene or thinner, which are harmful to the unit. Service There is no service adjustments inside the unit. In case of trouble, contact Intertek Semko AB.