Progressive Electronics PE945 Manual De Instrucciones página 6

Specifications
Monitor Impedance .......................................................................................... > 400 kΩ @ 1 kHz
Loop Resistance (maximum) ............................................................................................ 2500 Ω
Current Draw ................................................................................................................... < 15 mA
Temperature
Operating .................................................................................. –34 to 60 °C (–29 to 140 °F)
Storage ...................................................................................... –50 to 75 °C (–58 to 167 °F)
Battery ......................................................................... 9 V alkaline (NEDA 1604A or IEC 6LR61)
Introduction
The PE945 Telephone Test Set is an advanced, convenient, and easy-to-use telephone line
troubleshooting device. Equipped with a number of LEDs and alarms, the PE945 lets the user
know the operating mode and provides alerts for hazardous situations.
LEDs: Polarity
Low Battery
Talk/Monitor
Tones: Low Pitch
Middle Pitch
High Pitch
The LEDs and tones indicate various conditions and functions. They are shown throughout the
manual in italic type.
6