DX 3000 Power Supply ADJUSTABLE Detector Bias Output ( 0 to -1000VDC ). SOFT START and SHUTDOWN of Bias Voltage. LOW LN SENSOR Alarm Support and Shutdown. DETECTOR High Count Rate Bias Shutdown. DETECTOR Heater and Substrate adjust. Power Requirements: 100, 120, 220 or 240 VAC via IEC mains connector Detector Power: +/- 24V DC and +/- 12V DC Bias Soft Start: Attains preset Bias Voltage in approximately 5 seconds Bias Voltage: Adjustable 0 to -1000V DC Feedback Stabilized Detector Heater: Adjustable 0 to +24V DC Detector Substrate: Adjustable 0 to -24V DC Audible Alarm: 1KHz @ 1Hz pulsating Logic Inputs: Detector Pulsed Optical Reset Signal for High Count Rate Shutdown