Description Tempo Compact DSP telephone test set Compact DSP Test Set: The Compact DSP Test Telephone is a “pocket size” fully featured instrument suitable for use by anyone involved in the maintenance and installation of analogue telephone circuits. Compact DSP (Digital Services Protection) Test Telephones are designed to operate safely in situations where telephone wiring may be carrying Digital traffic, Voltage feed to remote electronics or Hazardous voltages that result from fault conditions or misuse of the cable. Digital Service Protection (DSP) Over voltage & current protected Excessive voltage alarm Mains cross protection (230 VAC) 3 Position Volume boost Microphone Mute Hands free through optional headset Acoustic Shock Protection Battery low warning Tone/pulse dialling 32 Digit Last number redial Flash (Time Break Recall) Ground start & earth recall PBX Pause Super High impedance Polarity Super High impedance Monitor High Monitor sound level Warble ringer High impact resistance High chemical resistance Quick change cord Rugged belt clip PP3 battery (supplied) Basic telephony functions without battery Auto power down when not in use Polarity Indication
