Proskit MT-8001 Butt Set
- Built-in amplified speaker provides three audio levels for hands free listening.
- Functional tone and pulse mode applied to most telephone system.
- Store up to twelve, 16-digit telephone numbers in speed dial.
- Pre-dialing and last number redial operation save up to 32-digit telephone number
- Advanced PBX pause function easily inserted between digits of a stored number
- High-impedance monitor mode design provides minor noise output while operating.
- Equipped with the mute switch to turn off the speakerphone microphone for privacy.
- Continuous polarity LED indications, easy to verify and detect the current connection status.
- Power saving function automatically shut down after 5 minutes of inactivity, providing longer operating time.
- Audible electronic ringer in 3 level volume controls.
- Ergonomic and lightweight design, enjoy unparalleled mobility and reliability.
- Used as a regular telephone while positioning the “Talk/Monitor” switch in talk mode.
- Product does not contain batteries.
ElectricalLoop limit2 kΩ maximum at 48 VDC (nominal 20 mA minimum loop current)DC resistanceTalk mode300Ω typicalMonitor impedance39kΩ nominal at 1 kHzRotary dial outputPulsing rate10pps+0.8ppsPercent break61%±2%Interdigit interval1000 ms typicalLeakage during break>50 kΩDTMF outputTone frequency error±1.2% maximumTone level-8±2dBm combined(typical)High versus low tone difference4 dB maximumMemory dialingMemory capacity12 memories plus last number redialingDigit capacity16 digits per memoryPBX pause duration4 secondsMonitor amplifier power source9V transistor; provides 25 hours continuous use, typicalSpeaker levelsLow, medium, highAutomatic power shut offAfter 5 min. of no audio signalSpeaker phone levelsLow, medium highPower sourceShared line and battery powerPhysicalLength10-1/4 inches(26.0 cm)Width2-3/4 inches(7.0 cm)Height3-1/2 inches(8.90 cm)Weight560 g typicalEnvironmentalTemperatureOperating:0 to 50˚C
Storage:-40 to 66˚CAltitude relative humidityTo 10,000 feet 5 to 95%
