Shure P4M User Manual
P4M
Four-Channel Personal Monitor Mixer
2005, Shure Incorporated
27D8707 (Rev. 4)
Printed in U.S.A.
ENGLISH
WARNING!
USING THIS SYSTEM AT EXCESSIVE VOLUMES CAN CAUSE PERMANENT HEARING DAMAGE.
USE AS LOW A VOLUME AS POSSIBLE.
In order to use this system safely, avoid prolonged listening at excessive sound pressure levels. Please use the following guidelines established by the Occupational Safety Health Administration (OSHA) on maximum time exposure
to sound pressure levels before hearing damage occurs.
90 dB SPL at 8 hours
95 dB SPL at 4 hours
100 dB SPL at 2 hours
105 dB SPL at 1 hour
110 dB SPL at 1/2 hour
115 dB SPL at 15 minutes
120 dB SPL — avoid or damage may occur
It is difficult to measure the exact Sound Pressure Levels (SPL) present at the eardrum in live applications. In addition to the volume setting on the PSM, the SPL in the ear is affected by ambient sound from floor wedges or other
devices. The isolation provided by the fit of quality earphones is also an important factor in determining the SPL in
the ear.
Here are some general tips to follow in the use of this product to protect your ears from damage:
1. Turn up the volume control only far enough to hear properly.
2. Ringing in the ears may indicate that the gain levels are too high. Try lowering the gain levels.
3. Have your ears checked by an audiologist on a regular basis. If you experience wax buildup in your ears,
stop using the system until an audiologist has examined your ears.
4. Wipe the earphones with an antiseptic before and after use to avoid infections. Stop using the earphones if
they are causing great discomfort or infection.
This symbol indicates that there are important operating and maintenance instructions in the
literature accompanying this unit.
3
ENGLISH
INTRODUCTION
Thank you for buying the Shure P4M Personal Monitor Mixer. The P4M is a half-rack, four channel monitor mixer designed for live performance use. Use it with
a Shure Personal Stereo Monitoring (PSMR) system, or in any other application appropriate for a versatile, compact mixer. When used with a PSM system, the
P4M provides several enhancements to in-ear monitoring:
S Consistency – same mix every night,
S Independence – monitor mixes created and controlled by the performer,
S Flexibility – provides monitor mixes regardless of a venue’s sound system capabilities.
For information on any Shure PSM System, please refer to the appropriate user’s guide, available on the world wide web at www.shure.com.
P4M MIXER FEATURES
1
P4M FRONT PANEL
4
6
7
1. Input Jacks: Accommodate both XLR and 1/4” connectors at mic
or line levels. They are electronically balanced.
2. Signal/Clip LEDs: Color indicates the signal status of the corre-
sponding Mic/Line Input:
LED Color Signal Status
Green Signal present
Yellow Nominal Level
Red Signal clipping
3. Concentric Level/Pan Knobs: The inner knob controls the input
level; the outer ring pans the input signal between the 1/L and 2/R
mix outputs.
5
P4M BACK PANEL
2
3
8
4. Mix Output Jacks: 1/4” TRS jacks provide the line level mix
created with the Level/Pan knobs.
5. AUX Inputs: Signals from the two 1/4” TRS input jacks are combined with the mix created by the Level/Pan knobs. Front panel
settings do not affect these jacks.
6. DC IN Locking Connector: Plug the PS40 AC Adaptor into the
top connector.
7. DC OUT Locking Connector: Powers a P4T Transmitter or
another P4M Mixer. A DC Jumper Cable is provided with the P4M.
NOTE: A PS40 can only power two Shure devices.
8. Split Outputs: Each male XLR output provides a duplicate of its
corresponding mic/line input. Front panel settings have no effect
on Split Outputs.
Set Up
P4M Back Panel P4M Front Panel
PS40
AC Adaptor
1. Plug the PS40 AC Adaptor into the mixer’s DC IN locking connector. Plug the other end into a wall socket.
2. Connect the MIX OUTPUT jacks to the the audio input of the next device.
3. Connect up to four audio sources (microphones, instruments, mixers) into the input jacks on the front panel.
To Audio Input
of next device
4
Audio Sources
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