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M4
mkII
Portable Audio Mixer
Operation Manual for Mixers with PCB V1.5
Copyright 2002
Professional Sound Corporation
Printed in the U.S.A.

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Summary of Contents for PSC M4 mkII

  • Page 1 mkII Portable Audio Mixer Operation Manual for Mixers with PCB V1.5 Copyright 2002 Professional Sound Corporation Printed in the U.S.A.
  • Page 2: Table Of Contents

    TABLE OF CONTENTS DESCRIPTION…………………………………………………………………………………...4 SAFETY WARNINGS…………………………………………………………………………...4 APPLICATIONS…………………………………………………………………………………4 FUNCTIONS INPUTS………………………………………………………………………………...5-7 BALANCED INPUTS INPUT LEVELS MICROPHONE POWERING LOW CUT FILTER CHANNEL GAIN CHANNEL PANS BOOM POLE REMOTE CONTROL OUTPUTS……………………………………………………………………………..7-9 BALANCED OUTPUTS MULTIPIN (BETA) CONNECTOR OUTPUT LIMITERS TRANSCRIPTION OUTPUTS HEADPHONE MONITOR OUTPUT TAPE RETURN GAIN METERS…………………………………………………………………………………9 PEAK READING METERS NIGHT (BACKLIGHT) USE...
  • Page 3 ADDITIONAL FEATURES………………………………………………………..10-11 SLATE MICROPHONE REFERENCE OSCILATOR BATTERY TEST M-S AND X-Y STEREO RECORDING WIRELESS MICROPHONE POWER DITRIBUTION POWERING………………………………………………………………………...12-13 INTERNAL POWER, NP-1 BATTERY INTERNAL POWER, ALKYLINE BATTERIES EXTERNAL POWER CONSTRUCTION………………………………………………………………….13-14 CHASSIS ELECTRONIC TOPOLOGY ENVIRONMENTAL OPERATION PORTA BRACE CASE INTERFACING……………………………………………………………………..14-15 TO BETACAMS TO RDAT RECORDERS TO WIRELESS MICROPHONES WARRANTY AND NON-WARRANTY SERVICE…………………………………15...
  • Page 4: Description

    DESCRIPTION Thank you for purchasing the Professional Sound Corporation M4mkII Portable Audio Mixer. PSC is confident that this new M4mkII Mixer has set new standards for portable mixer technologies and features. Please feel free to contact us if you have any comments or questions concerning your new mixer. Additionally, we invite you to share your suggestions for new products you would like to see developed.
  • Page 5: Inputs

    We strongly recommend setting inputs to dynamic for use with all wireless systems. It should also be noted that the PSC M4mkII Mixer contains special electronics that automatically shut off the 48PH DC to DC converter if none of the four...
  • Page 6: Low Cut Filter

    microphone powering switches are set to 48 Phantom. This feature will conserve approximately 12mA of supply current. In the interest of keeping the M4mkII Mixer design simple and up to date with today’s technology, we have not offered “12T” or “AB” microphone powering. Although some “12T”...
  • Page 7: Outputs

    must set of the mixer as you normally would for the type of microphone being used, I.E. 48PH power on, etc. Then you attach the boom pole remote control to the boom pole with it’s captive Velcro TM straps. The cable should exit the remote control toward the heel end of the boom pole.
  • Page 8: Output Limiters

    cables can be conveniently routed from one side of the mixer providing a clean and compact setup for use on the run. OUTPUT LIMITERS. The limit threshold (activation level) is factory set at +3 on the meter. The limiters compress the signal at approximately 2.7 to 1 ratio. This is to say an increase of 2.7dB in input signal will result in only a 1dB increase in output signal.
  • Page 9: Meters

    located on the right hand side panel of the mixer. This switch is normally set to the stereo position. Under special circumstances, you may wish to monitor your headphones in Mono or decode MS signals when recording in MS Stereo. Please see MS Stereo section of this manual.
  • Page 10: Additional Features

    ADDITIONAL FEATURES: SLATE MICROPHONE The M4mkII Mixer is equipped with a slate microphone. This microphone is activated when the front panel “slate” momentary push button switch is pressed. The slate microphone allows the operator to put voice slates (notes) on tape for later reference.
  • Page 11: M-S And X-Y Stereo Recording

    M-S AND X-Y STEREO RECORDING The PSC m4mkII Mixer can be used to make stereo recordings in both the mid- side and X-Y stereo techniques. The M4mkII Mixer is equipped with an input channel ganging switch designed to allow the ganging of input channels 3 and 4.
  • Page 12: Powering

    POWERING: A. INTERNAL POWER, NP-1 BATTERY The PSC M4mkII Mixer is the first compact ENG mixer to offer the ability to be powered from an internal NP-1 rechargeable battery. This feature provides a convenient way of powering the mixer without added size, adapters or cables. In...
  • Page 13: Construction

    This external DC input is protected from reverse polarity. If you mis-apply connect external power of the incorrect polarity, the mixer will not be damaged, it simply will not power up. CONSTRUCTION CHASSIS The new M4mkII Mixer chassis has been designed for increased torsional rigidity.
  • Page 14: Environmental Operation

    PORTA BRACE CASE Each PSC M4mkII Mixer is supplied with a custom-made Porta Brace case and shoulder strap. This case includes sewn on mounting rings allowing you to mount Porta Brace accessory cases such as their RF Multi case. These cases accommodate your wireless receivers.
  • Page 15: To Rdat Recorders

    We are always willing to help you with your M4mkII Mixer questions. WARRANTY Complete details of the PSC M4mkII Mixer warranty are given on the enclosed blue warranty registration card. If you did not receive one, please contact your local dealer or call us directly.
  • Page 16: Specifications

    Mixer design is covered under various state, federal and international copyright laws. No portion of this manual or any M4mkII mixer technologies may be reproduced without the specific written permission of PSC. All rights reserved. This manual and M4mkII Mixer specifications subject to change without notice.

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