Minilyzer ML1 User Manual - NTi Audio

More documents

Recommendations

Info

Introduction Overview The Minilyzer ML1 is a sophisticated audio test instrument, supporting a wide range of useful measurement functions. The results are displayed on a large LCD with backlight: • Level RMS, Relative or SPL (Sound Pressure Level) • THD+N (Total Harmonic Distortion + Noise) • vu-Indicator and PPM (Peak Program Meter) • Frequency • Polarity Test (in combination with NTi Audio’s Minirator) • Signal Balance Error • Sweep recording with respect to frequency or time • 1/3 rd Octave Spectrum RMS or SPL • Scope Additionally, several input filters are available, depending on the active measurement function: • A-weighting acc. IEC 61672 • C-message acc. CCIR 468-4 • 22 Hz Highpass acc. DIN 45045, -120 dB / dec. • 60 Hz Highpass acc. DIN 45045, -120 dB / dec. • 400 Hz Highpass acc. DIN 45045, -120 dB / dec. • Voice Bandpass acc. ITU-T P.48 • C-weighting acc. IEC 61672 • X-Curve -1 acc. ISO 2969 The X-Curve -1 filter is especially applicable for the recording, monitoring and play-back of wide range soundtracks in indoor theatres, review rooms or cinemas. To measure the acoustic response in such rooms e.g. the Minirator MR1 shall be used with the pink noise signal selected. Via the Minilyzer the 1/3 rd octave spectrum has to be recorded using the X-Curve -1 filter. According the ISO-norm the result shall be a flat graph (a continuous noise spectrum having constant energy per 1/3 rd octave bandwidth). A setup screen allows to adjust four settings according to the specific demands of the user: • Auto power off duration • Auto backlight off duration • LCD contrast • Multiple setup (individual settings for up to 4 users) 8
Battery Replacement Introduction After unpacking, insert three (3) pcs. 1.5 V alkaline batteries, type AA, LR6, AM3 into the ML1 battery compartment as shown in Fig 1 and Fig 2. The typical life-time for a set of alkaline batteries is 16 hours. Fig 1.1 Open Battery Compartment Fig 1.2 Inserted Batteries NOTES • We do not recommend to use rechargeable NiCd- or NiMH-batteries. • Do not insert batteries of different types. • Note the correct polarities of the inserted batteries. • Remove the batteries as soon as they are flat and change all batteries at the same time. 9
Page 1 and 2: Minilyzer ML1 User Manual
Page 3 and 4: Table of Contents: 1. In t r o d u
Page 5 and 6: Introduction Registration Register
Page 7: Introduction Warnings In order to a
Page 11 and 12: Basic Operation Power ON/OFF - Back
Page 13 and 14: Basic Operation Menu Bar The menu b
Page 15 and 16: Basic Operation c. Setup The setup
Page 17 and 18: Basic Operation Inputs and Monitor
Page 19 and 20: Measurement Functions actual range
Page 21 and 22: Measurement Functions Start of meas
Page 23 and 24: Measurement Functions By exceeding
Page 25 and 26: c. Calibration Panel Measurement Fu
Page 27 and 28: Measurement Functions THD+N In this
Page 29 and 30: Measurement Functions The following
Page 31 and 32: An overrange indicator appears for
Page 33 and 34: Measurement Functions Sweep ML1 sup
Page 35 and 36: Measurement Functions b. Time Sweep
Page 37 and 38: 1/3 rd Octave RMS Measurement Funct
Page 39 and 40: Measurement Functions To enter the
Page 41 and 42: Induction Loop Mode 4. Induction Lo
Page 43 and 44: Induction Loop Mode Calibration An
Page 45 and 46: Measurement Functions FSweep Freque
Page 47 and 48: Accessories 6. Accessories MiniSPL
Page 49 and 50: 7. Technical Specification Technica
Page 51 and 52: Technical Specification Technical D
Page 53: Quick Guide Minilyzer ML1 Menu Bar

Minilyzer ML1 User Manual - NTi Audio

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?