AUDEIA PR240A User manual

MNPR240A-R01 EN
AUDEIA
PR240A
Digital Frequency Shifter
USER MANUA
Revision 1 – 2015 March – EN – www.audeia.com

SAFETY PRECAUTION
AUDEIA – PR240A – USER MANUA - EN 2
SIMBO S
The lightning flash with arrowhead symbol
(as the one in the left) is intended to alert
the user to the presence of dangerous
voltage within the product enclosure that
may constitute a risk of electric shock to
person.
The exclamation point within an equilateral
triangle (as the one in the left), is intended
to alert the user to the presence of
important instruction concerning the use of
the appliance.
SAFETY INSTRUCTIONS
• Read these instructions
• Keep these instructions
• Heed all warnings
• Trail all instructions
• Do not use this apparatus near water
• Clear only with dry cloth
• Install in accordance with the manufacturers instructions
• Do not install near any heat sources such as radiators, heat
registers, stoves, or other apparatus (including amplifiers)
that produce heat
• No naked flame sources, such as lighted candles, should be
placed on the apparatus.
• Do not block any ventilation openings.
• Do not defeat the safety purpose of the polarized or
grounding type plug
• Ensures the source voltage matches the voltage of the
power supply before turning ON the apparatus.
• If the provided plug does not fit into your outlet, consult an
electrician for replacement of the obsolete outlet.
• Protect the power cord from being walked on or pinched
particularly at the plug, convenience receptacles, and the
point where they exit from the apparatus.
• Unplug this apparatus during lightning storms or when
unused for long periods of time.
• There are maybe some areas with high voltages inside, to
reduce the risk of electric shock, do not remove any cover if
the power supply is connected. The cover should be
removed by qualified personnel only. No user serviceable
parts inside.
• This apparatus shall not be exposed to dripping or splashing
and that no objects filled with liquids, such as vases, shall be
placed on this apparatus.
• To reduce the risk of fire or electric shock, do not expose
this apparatus to rain or moisture.
• Only use attachments/accessories specified by the
manufacturer.
• Refer all servicing to qualified personnel. To reduce the risk
of electric shock, do not perform any servicing other than
that contained in the operating instructions unless you are
qualified to do so.
• Servicing is required when the apparatus has been
damaged in any way, such as the power supply cord or plug
is damaged, liquid has been spilled or objects have fallen
into the apparatus, the apparatus has been exposed to rain
or moisture, does not operate normally, or has been
dropped.
• Make sure to connect the protective grounding to prevent
any electric shock before turning ON the apparatus.
• The external wiring connected to the output hazardous live
terminals requires installation by an instructed person, or
the use of ready-made leads or cords.
• Never cut off the internal or external protective grounding
wire or disconnect the wiring of protective grounding
terminal.
DISPOSA OF E ECTRICA AND E ECTRONIC
EQUIPMENT
• All the electrical and electronic equipment should be
disposed separately from the municipal waste via collection
facilities designed by the government or local authorities.
• By disposing of electrical and electronic equipment
correctly you help to save valuable resources and prevent
any potential negative effects on human health and the
environment.
• Improper disposal of waste electrical and electronic
equipment can have serious effect on the environment and
human health because of the presence of hazardous
substances in this type of equipment.
• The waste electrical and electronic
equipment (WEEE) symbol, which
show a bin that has been crossed
out, indicates that electrical and
electronic equipment must be
collected and disposed of separately
from household waste.
• Return and collection systems are available to end users. For
more detailed information about the disposal of old
electrical and electronics equipment, please contact your
city office of waste disposal service or the shop where you
purchased the equipment.

CONTENTS
AUDEIA – PR240A – USER MANUA - EN 3
SAFETY PRECAUTION
SIMBO S ....................................................................... 2
SAFETY INSTRUCTIONS ............................................ 2
DISPOSA OF E ECTRICA AND E ECTRONIC
EQUIPMENT ................................................................ 2
INC UDED ITEMS ....................................................... 4
ABOUT THIS MANUA .............................................. 4
EGA DISC AIMER .................................................... 4
PRECAUTION FOR INSTA ATION AND USE ...... 4
WARRANTY ................................................................. 4
Instruction .................................................................... 5
Function Key ............................................................... 5
Specification ................................................................ 8

INTRODUCTION
AUDEIA - PR240A – USER MANUA – EN 4
Thank you for purchasing the AUDEIA PR240A Digital
Frequency Shifter. The PR240A system is an high quality
feedback suppressor in a 1U rack and with a very low
weight. For the best use of the PR240A central unit please
read this user’s manual carefully, and keep it in safe place
for future reference.
INC UDED ITEMS
Following are listed included items, please contact the
store where you purchased this unit if any of listed items
are missing or have been damaged during transportation.
• The PR240A unit Q.ty 1
• AC power cord Q.ty 1
• Owner’s manual (this manual) Q.ty 1
ABOUT THIS MANUA
This manual is composed of five main section: “SAFETY
PRECAUTION” in witch there are safety information and
instructions; “CONTENTS” with the table of contents;
“INTRODUCTION” a brief description to introduce you in
the use of apparatus; “INSTRUCTION” with technical
information concerning installation and usage;
“TECHINICA DATA” with thecnical specifics.
Each section name is printed on the top side of the
manual.
EGA DISC AIMER
AUDEIA, RSS, AASER and the other names of apparatus or
components are trademarks or registered trademarks of
respective owner.
No part of this manual may be reproduced or copied
without write permission of AUDEIA.
AASER technology is world patented solution.
Technical specification and appearance are subject to
change without notice.
PRECAUTION FOR INSTA ATION AND USE
• The operating temperature should be between 4°C
and 36°C
• To prevent degrade of sound quality and malfunction
do not install in places with significant vibration,
exposed to direct sunlight, in extremely hot places, in
places with high humidity or bad ventilation, places
exposed to rain or other water.
• Do not place anything on the unit
• Do not expose to fast reduction of temperature
because condensation could occur with possible
damaging of the apparatus. If this happen, leave the
unit for one or two hours before turning the unit on.
• Avoid installing this unit on top of any heat-
generating devices as power amplifiers also to avoid
condensation.
• To clean the unit, wipe it lightly with a soft dry cloth.
Do not wipe with cleaning cloths, paint thinner,
benzene, athyl alcohol or other agents. Tis could
damage the surface.
WARRANTY
To obtain Warranty Service, the buyer should first fill out
and return the enclosed Warranty Registration Card
compiled in every parts within 10 days of the Purchase
Date.
In case of return for any warranty service, please make
sure that the product is well packed in its original shipping
carton, and it can protect your unit from any other extra
damage.
Please provide a copy of your sales receipt and give detail
information about your return address and contact
telephone number.
The warranty service is only available to the original
consumer, who purchased this product directly from the
retail dealer, and it can not be transferred.
The warranty does not apply to the damages to this
product that occurred as the following conditions:
•Normal tear and wear.
•Any abuse or misuse of this product, or use
not in accordance with this manual.
•The product has been altered or modified in
any way.
•Damage which may have been caused
either directly or indirectly by external and
independent cause as other products
malfunctions, shocks, and so on
•Abnormal service or repairing by not
authorized technicians.
• In no event shall AUDEIA be liable for any
incidental damages (if not specifically
prescribed by the states laws).

HOW TO USE
AUDEIA - PR240A – USER MANUA – EN
5
Instruction
This is a frequency shifter originally designed to eliminate feedback. It uses the latest DSP technology to very
efficiently frequency shift the audio signal. This system is widely used in commercial buildings, plazas, schools,
Karaoke, meeting room and other places.
Function Key
1. Power switch
2. Frequency non-shift state indicator lamp
3. Frequency shift on/off switch
. Frequency shift state indicator lamp
5. GND lift
1
6. Line audio output
7. Line audio input
8. Conference EXF audio output
9. Conference EXF audio input
10.MIX output
11.Balance audio output (main audio system output)
12.Microphone audio unbalance input
13.Microphone audio balance input
1 .AC power
1
The ground have to stay connected, only technician persons can use this for check.

HOW TO USE
AUDEIA - PR240A – USER MANUA – EN
6
Operation
1. Please turn off the power switch first, and then connect the AC power, mixer,
microphone and other equipments, turn on the power switch. Turn on or turn off
the frequency shift function according to the circumstances.
2. Connect external audio to (7) and regulate volume with mixer according to the
circumstances.
Schematic diagram
1. Connection picture with meeting microphone
2. Connection picture with conference system external speaker

HOW TO USE
AUDEIA - PR240A – USER MANUA – EN
7
3. Connection picture with conference local speaker

HOW TO USE
AUDEIA - PR240A – USER MANUA – EN
8
Specification
1. Power supply: AC220~230V,50/60Hz
2. Independent microphone and line input switch
3. EFX port support connecting to conference system
. Frequency shift: 5Hz±1Hz
5. Input impedance: ≥5KΩ
6. Output impedance: ≤600Ω
7. Microphone Gain: 5~1 dB
8. Frequency response: 20Hz-20 KHz in frequency non-shift state
150Hz-15 KHz in frequency shift state