Free The Tone PHA-1 Owner's Manual

Phase analyzer

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Owner's manual (6 pages)

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Owner's Manual

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PHASE ANALYZER

Ver 1.0

Table of Contents

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Summary of Contents for Free The Tone PHA-1

Page 1 Owner’s Manual – PHASE ANALYZER Ver 1.0...
Page 2: Table Of Contents
Safety Precautions ........................11 Handling Precautions • Never connect or disconnect plugs to/from the input/output terminals on the PHA-1 when the external device that drives speakers is powered. Doing so can cause noises and damage the speakers.
Page 3: Controls And Indicators
+ (plus) side green LED PHA-1. When the ARC-4 Audio Routing output level. illuminates. If it is reversed, Controller is connected to the PHA-1 in the – (minus) side red LED OPTION-2 Input mode, this meter shows the TEST Switch illuminates.
Page 4: Rear Panel
Rear Panel TEST SIGNAL OUT Terminal ANALYZER IN Terminal OPTION-2 Terminal Outputs the test signal used for the Connect the output from the device Used to connect to the ARC-4 with phase measurement. Connect this to which the test signal is fed. the optional cable (RC-7).
Page 5: Basic Operation
NOTE Pulse waveforms are used as the test signal for the PHA-1’s MIC input in order to minimize the influence from ambient noises. If the first edge of the test signal waveform after passing through the device is rising, then it is judged as in phase (+). If falling, then it is out of phase (–).
Page 6: Display Contents
Or if measuring the phase of the amplifier with speaker, Or if measuring the phase of the amplifier with speaker, increase the distance between the speaker and the PHA-1 or decrease the distance between the speaker and the PHA-1 or lower the amplifier’s volume.
Page 7: Measuring Phase Of Electronic Device Such As Effects Unit
DC9-12V IN DC9-12V IN Turn on the power to the PHA-1 and the device to be measured. Turn the TEST SIGNAL LEVEL knob fully counterclockwise so that Turn on the power to the PHA-1 and the device to be measured.
Page 8: Measuring Phase Of Effects Unit Connected To Arc-4
“Low-Battery,” replace the battery with a new one. If effects unit. the PHA-1 is not used for a long period of time, remove the 4. Slowly turn the TEST SIGNAL LEVEL knob clockwise. The battery and store them separately.
Page 9: Examples Of Measurement Results
If no level meter’s LED illuminates, device’s output level to lower the confirm whether the connection is signal level fed to the PHA-1. properly done and the power to the subject device is turned on. << Continuous Measurement Mode >>...
Page 10: Main Specifications / Ratings
Main Specifications / Ratings • Test signal maximum output Level: 660 mVp-p (Repeated Pulse Measurement mode), -23 dBm (Continuous Measurement mode) • Terminals: standard 1/4-inch phone jack x 2 (TEST SIGNAL OUT, ANALYZER IN), 7-pin DIN connector x 1 (for connecting ARC-4: OPTION-2), DC9-12V input jack (for connecting AC adaptor) •...
Page 11: Safety Precautions
Turn off the unit and unplug the AC adapter from the outlet and contact your local dealer or Free The Tone for repair in the case of any of the Do not press the switches on the unit with a bare foot, or unexpected following: injury may result.
Page 12 Support/Service Contact the following for support and/or repair service. e-mail address: overseas@freethetone.com...