Vibroacoustic noise systems
SEL SP-55
Operation
manual
SEL SP-55 vibroacoustic noise system with built-in equalizer is the tech-
nical protection device from information leakage in rooms by vibroacoustic chan-
nel.
The system is intended to protect any speech information (confidential,
private, commerce or government information).
ATTENTION! Please install and use the system according the following
conditions:
- indoor use only;
- the temperature should be +25 (± 10) °С;
- the relative air humidity shouldn’t be more than 80% at 25 °С;
- the atmospheric pressure 740 (± 40) mm Hg;
- single-phase electrical net 220 V (± 10%) / 50÷60 Hz.
Also, the system is not designed to be used in conditions with high con-
centration of dust and sparks, in explosive or an excited environment, at intensive
mechanical influences.
Specially trained operating staff is not required for work with this system.
When buying the system, do check its capacity for work and complete-
ness of the full set. Before enabling the system, please read this operation man-
ual carefully.
I. Description of the system
The system is an active protection device from information leakage in
rooms by vibroacoustic channel with built-in equalizer, using which you can set
the noise level (the integrated output power) suitable for your conditions and its
spectrum in octave strips on each channel.
The system might contain:
- digital vibroacoustic noise generator SEL SP – 55/2 (2 channels),
SEL SP – 55/4 (4 channels);
- electromagnetic vibro-transducers SEL SP – 55/V (universal), SEL
SP – 55/VG (for windows);
- acoustic radiators – passive acoustic speakers (8 Ohm).
Each generator SEL SP – 55/2 or SEL SP – 55/4 has:
• microprocessor and RAM, LCD display, sound and visual in-
dication;
• each channel has equal and independent structure:
- noise former (generator);
- 5-band equalizer (in octave strips);
- class “D” target amplifier, which is providing high reli-
ability and stability of parameters;
- short circuit and overload protection.
Vibroacoustic generator SEL SP – 55/___
Serial No. ____________________
Date of manufacture_____________
Seal of Manufacturer Company
Sold by ______________________
(company name)
Date of Sale “______” _______________ 200___
Seller____________________
(personal signature)
Seal of Dealer Company
Sold by ______________________
(company name)
Date of Sale “______” _______________ 200___
Seller____________________
(personal signature)
To install radiators on heating pipes use authorized holders.
2.2. Installing SEL SP – 55/VG vibro-transducers
Glue vibro-transducers SEL SP – 55 /VG using strong waterproof glue,
according its description.
2.3. Installing acoustic radiators
Acoustic radiators should be installed in protected areas (air lines, ventilating
mines, behind false ceilings, etc.).
For minimization of acoustic discomfort the direction of acoustic radiators should
be to places of the most probability of installing pick-up devices.
III. Connecting vibro-transducers and acoustic radiators
The scheme of connection of vibro-transducers or acoustic radiators to one
channel:
“А” “B”
“А” – full power output on each radiator (1 – 3 radiators).
“B” – half power output on each radiator (4 – 12 radiators).
It is not allowed to connect vibro-transducers and acoustic radiators to one channel!
Attention! All channels should be disconnecting galvanic with each other.
The system can be turned in two modes:
- WORKING – acoustic and vibroacoustic noise generation
mode;
- SETUP – noise tuning and the system settings mode.
The default settings:
1. Noise is disabled – in all channels;
2. Management of the system – turning on/off the noise
generation:
- ON – from the front panel;
- OFF – from the RC.
1.1. Functional characteristics
The system provides:
• Active protection by wide range acoustic and vibroacoustic
noise for the informational objects from:
- microwave systems, including laser microphones,
used for interception of audio information through
glass of windows;
- stethoscope /contact microphones, used for intercep-
tion of audio information through solid structures
(walls, ceilings, floors, window openings and glass),
gas and water piping;
- wireless and cable-microphones and devices of
magnetic recording, installed in wall cavities, above
false ceilings, ventilation channels, etc.
• Optimal parameters of acoustic and vibroacoustic noise for
any channel by setting them up by octave strips, using the
microprocessor and 5-band equalizer;
• Preservation in RAM all acoustic and vibroacoustic noise pre-
set parameters for each channel;
• Automatic self-diagnostics system, which will inform the op-
erator about all errors with sound and light alarm;
• Opportunity of management by the voice activation system
(VOX system) or wire RC.
Plate
Holes for ad-
j
usting screws
1.2. Maine technical characterictics
1. Frequency range…………………………….…………………………..….100 – 5 600 Hz
2. Number of channels / noise generators:
- SEL SP-55/2……………………………………….…….…..…….………….2 / 2
- SEL SP-55/4…………………………………….……….…..…….………….4 / 4
3. Maximum integrated output power for one channel (with 4 Ohm)………………..2.5 W
4. Range of regulation of the level in octave strips
250/500/1000/2000/4000 Hz for one channel, not less than…….…10/12/13/15/20 dB
5. Characteristics stability:
- at power supply voltage deviations 220V (+10% -15%), not worse than ±5%
- at 8 hours continuous work, not worse than..………………………….......±3%
6. Number of electromagnetic vibro-transducers for one channel..….…..…….1 – 12 pcs
7. Basic characteristics of the generator:
- power supply:
- from the power net.………….………220 V (± 10%) / 50÷60 Hz
- from reserved power supply unit.………….……………12Vx2A
- dimensions.………………………………………………..……180x180x45 mm
- weight, not more than.……………………………………...……………..1500 g
- terms of usage:
- temperature.………………………………………...+25 (± 10) °С
- relative air humidity, not more than.………………80% at 25 °С
- atmospheric pressure.………………………..740 (± 40) mm Hg
8. Basic characteristics of the vibro-transducers:
- type….……………………………………………………………electromagnetic
- resistance..………………………………………………………………….8 Ohm
- power supply.……………………………………………………..from generator
- dimensions:
- SEL SP-51/V..……………………………………..…∅51x22 mm
- SEL SP-51/VG..…………………………….……..…∅43x17 mm
- weight, not more:
- SEL SP-51/V..……………………………………………..…150 g
- SEL SP-51/VG..…………………………………….……..…100 g
- terms of usage:
- temperature range..………………….…..……………-40 +60 °С
- relative humidity (the case is sealed)...…………….up to 100%
- atmospheric pressure.……………….……..…..750 ±40 mm Hg
Appendix No.1
Recommendations to installing SEL SP - 55 systems
I. Placing electromagnetic vibro-transducers and acoustic radia-
tors
Recommendations:
• Vibro-transducers SEL SP – 55/V should be installed:
- in regular intervals - in chessboard order, not more than 3 m from
each other and not closer than 1 m from corners of sides of protected
volumes, connection of the next radiators to different channels is de-
sirable;
- for the best protected effect use minimum two vibro-transducers on
each any size protected surface.
• Vibro-transducers SEL SP – 55/VG should be installed at each window corner
on removal ~ 5 ÷ 10 cm from it.
• Acoustic radiators should be installed in protected areas (air lines, ventilating
mines, behind false ceilings, etc.).
II. Installing electromagnetic vibro-transducers and acoustic ra-
diators
2.1. Installing SEL SP – 55/V vibro-transducers
There are three types of mounting elements: a pin, a plate and a holder
for mounting on heating pipes:
To install pins it is necessary to drill a hole in a protected construction, fill it
with a solidificated caulk and densely hammer in a pin.
To install plates is necessary to drill holes in a protected construction for
adjusting screws, drift on waterproof glue, mount a plate and fix it “tightly” using
adjusting screws.
Pipe holder
Pipe
Plate
Pin
Vibro
-
transducers
7.2. Pre-transportation procedure
The system should be placed into a rigid package in order to prevent dy-
namic damage and environmental attack. Then the generator must be fasten us-
ing foam-rubber, foam plastic etc.
7.3. Precautions
Do not drop the generator when loading or unloading.
VIII. Warranty
8.1. The warranty period of the device is 12 months from the sale date.
For guarantee service please apply to the manufacturer:
Suritel Ltd, 5 ul. Usievicha, Moscow 125319, (+7-495) 232-33-27.
8.2. The devices with the traces of mechanical damage, unsealing, as
well as the devices used in a wrong way are not subject to warranty reparation.
8.3. The warranty comes into force only if the system is presented to-
gether with the present manual with producer’s selling mark stamped by its offi-
cial round seal.
IX. Disposal
The system doesn’t contain precious substances and metals as well as
components, which are dangerous for people and environment.
Therefore special safety measures of disposal are not required.
II. Package contents
№ Name Quantity
1. The system set:
1.1 SEL SP-55/2 generator ___ pcs*
1.2 SEL SP-55/4 generator ___ pcs*
1.3 SEL SP-51/V electromagnetic vibro-transducer ___ pcs*
1.4 SEL SP-51/VG electromagnetic vibro-transducer ___ pcs*
1.5 Acoustic speaker (8 Ohm) ___ pcs*
2.
The operating manual
___ pcs*
3. The optional equipment:
3.1 Acoustic start microphone ___ pcs*
3.2 RC set ___ pcs*
3.3 UPS ___ pcs*
* - The quantity is defined in the order for delivery.
III. Preparation for use
3.1. Recommendations for installing the system
Please see appendix No. 1.
3.2. Operational restrictions
Switching on/off is possible from the generator’s front panel (“C” button)
or from RC (wires RC) and/or acoustic start.
Attention!
1. Using RC is blocking “C” button switching, and on the contrary.
2. When RC is enable, it is possible to activate the generator using wire
RC and acoustic start or one as you choose.
3.3. Safety measures
To avoid breakdown of the system, fire or electrical shock it is PROHIB-
ITED to:
- open the generator and repair it by yourself;
- use the system outdoor or to allow a penetration of liquids inside of
generator;
- use the generator alfresco, in moist places and near heating devices;
3.4. Setting up the system
Settable parameters of the system:
- noise characteristics for each channel;
- switching the generator (from the front panel or the RC).
Attention! In first start of the system must be done:
● Setup noise characteristics for each channel (default settings – noise is
disabled);
● Setup remote control, if you need it (choose wire RC or voice activation
system).
3.4.1. Controls of the generator
All controls, which are needed to manage the system, are at the front and
rear panels of the generator.
The generator’s front panel appearance:
- two line LCD display.
OUTPUT Х – LED indicator, it shows the channel X status: - normal
(green); - alarm (red).
- menu buttons.
5.1.4. Order of maintenance works
Maintenance works consist in external examination of the system’s state
and its components. As well as checking:
- on the device: fastening of cables’ connector, travel evenness and fixa-
tion accuracy of controls;
- on power cords: state of connectors.
If repair of the fault by improvised means is not possible, please apply to
the producer. Please note that the warranty does not apply if the system or its
parts have been unsealed or dismantled.
5.1.5. Preservation
Conservation includes the following operations (one after another):
- maintenance works;
- drying during 4 hours at room temperature;
- packing into any rigid container that exclude damage of the system;
- placing the generator to a warmed depository at + 5° С ÷ + 35° С, up to
80% relative humidity where vapours of acids, volatile compounds of sulfur and
other active are absent.
Depreservation:
- external examination;
- drying at least during 4 hours at room temperature;
- checking of ability to work.
5.2. Repair
Repair of the system is performed at the firm-producer situated at the fol-
lowing address:
5, Usievicha st., Moscow, 125319, Russia. Tel/fax: +7 (495) 232-33-27, 974-90-
77.
VI. Storing
6.1. Preparation for storing
It is accomplished according the article 5.1.5 of the present operating
manual.
6.2. List of the system’s components with limited storage
The system doesn’t contain components with a limited storage time.
VII. Transportation
7.1. Transportation requirements
The system might be transported by any transport facility if only being
protected against precipitation, dust and mud.
4.3. Switching the system OFF
Switching ON the generator:
● Turn the noise generation OFF («C» button or RC unit);
● Turn the power OFF using «220 V AC» switch on the rear panel of
the generator («0» - OFF).
4.4. Actions in emergencies
4.4.1. At fire of the generator/ the system:
• Turn the power of the generator OFF – un-plug the power supply cord;
• Extinguish the fire;
• Contact the producer to do a scientifically - technical expert appraisal and re-
pair.
4.4.2. At other emergencies:
Other emergencies:
- hit of a liquid on working generator or its hit under direct action of deposits;
- fire near the system;
- at emergency evacuation of the staff;
- and etc.
In these emergencies the system should be disconnected from power supply and
shouldn’t be used until the emergency situation will be solved.
V. Maintenance works and repair
5.1. Maintenance works
5.1.1. General instructions
Maintenance works are conducted in order to provide proper operation of
the system.
Maintenance works include visual external examination and cleaning of
the system and its components. You should prevent accumulation of dust on the
front panel. Use a soft cloth to dust regularly. Do not allow water on the body of
the generator.
Periodicity of maintenance works: every month.
5.1.2. Manning requirements
Special training of maintenance staff is not required.
5.1.3. Safety measures during maintenance works
Maintenance works should be conducted only when power cable is dis-
connected from the net.
The generator’s rear panel appearance:
● Remote control jacks: MIC RC
acoustic start devices - - wire RC.
● Output plugs: OUTPUT
● Power supply plugs:
- 220 V AC (50 Hz)
● «220 V AC» switch:
220 V AC
12 V DC
3.4.2. Switching the generator ON/OFF
Switching the generator ON/OFF:
● Connect the generator with plugged acoustic and vibroacoustic radia-
tors to 220 V / 50 Hz power net or, if UPS is used, to 12 V source - the «12 V
DC» plug.
● Turn the power ON using «220 V AC» switch on the rear panel of
the generator («I» - ON);
● To turn the generator ON push and hold «C» button until sound
voice and following message on the LCD display:
WORKING mode:
● First turning ON: ● At operation:
or
«1-st channel» «1-st channel»
«Noise is OFF» «Noise level is +…DB»
● To turn the generator OFF, push and hold «C» button until sound
voice and turning the LCD display off.
3.4.3. The generator setup
3.4.3.1. Noise characteristics setup menu
I. Push «MENU/OK» button to enter to the menu of noise charac-
teristics setup:
To return back to WORKING mode push «C» button .
II. Push «∇», «∆» buttons to choose the number of the channel
to setup:
(the 1-st channel is chosen)
To return back to WORKING mode push «C» button .
ATTENTION! Some errors with loading and generation of
OUTPUT1 – the noise for the channel!
channel No.1. Next action – check up the loading of the channel
(changing the loading and level of noise signal for
the channel).
ATTENTION! Overloading (short circuit) of the channel;
OUTPUT1 – generation of noise is OFF!
channel No.1. Next action – check up connection of the loading to
the channel.
Only if UPS is used!
OUTPUTХ The UPS (accumulator) is LOW more than 80%, the
Х – number of channel. noise generation might be less
than needed!
Next action – charge the accamulator or change the
UPS.
Saving the settings is blocked!
Next action – check the loading of the channels.
Equalizer is blocked – number of re-savings is more than
10000 times;
All channels have line-like characteristic; The system can
be used in this mode!
Next action – to unblock it, please contact with the pro-
ducer.
IV. Proper use
4.1. Switching the system ON
Switching the generator ON:
● Connect the generator with plugged acoustic and vibroacoustic radia-
tors to 220 V / 50 Hz power net or, if UPS is used, to 12 V source - the «12 V
DC» plug.
● Turn the power ON using «220 V AC» switch on the rear panel of
the generator («I» - ON);
● To turn the generator ON push and hold «C» button until sound
voice and following message on the LCD display:
“WORKING mode” «STANDBY»
«STANDBY» - if remote control mode is enabled.
4.2. Checking the system
The system has an automatic self-testing system, which indicates work status of
each channel:
Power supply is GOOD; generation of noise is OFF!
OUTPUTХ The generator is set for management using remote con
trol (wire RC or acoustic start).
Х – number of channel. Next action – turn ON generation of noise using RC
or setup managing of the generator from the front
panel!
GOOD! The loading and generation of the noise in norm
OUTPUT1 – for the first channel!
channel No.1.
III. Push «MENU/OK» button to confirm the choused channel
and enter to its setup menu:
To return back to WORKING mode push «C» button .
IV. Enter to level setup menu by pushing «MENU/OK» button on
level line. Push «∇», «∆» buttons to setup an integral noise level of the
chosen channel:
To confirm the level and return to the channel setup menu push
«MENU/OK» button :
V. Then, choose the octave strip by pushing «∇», «∆» buttons
and set the needed level for it.
To set it push «MENU/OK» button on the chosen octave strip and
set needed level using «∇», «∆» buttons :
To choose the needed octave strip push «MENU/OK» button on it.
To set the noise level in chosen octave strip use «∇», «∆» buttons
:
To confirm the level and return to the octave strip menu push
«MENU/OK» button :
To return back to choose next channel for set it push «C» button :
To return back to WORKING mode push «C» button .
3.4.3.2. Remote control setup menu
I. Push «MENU/OK» button to enter to the setup menu:
To return back to WORKING mode push «C» button .
To enter to remote control setup menu push «MENU/OK» button
secondary:
To return back to setup menu push «C» button .
II. Push «∇», «∆» buttons to choose the type of the remote
control management:
or
«within wire RC» «within acoustic start»
III. Push «MENU/OK» button to confirm the type of the remote
control management:
or
“wire RC is disabled” “acoustic start is disabled”
To turn ON the corresponding type use «
∇
», «∆» buttons and
confirm it with «MENU/OK» button :
or
“wire RC is enabled” “wire RC is disabled”
.
OR
or
“acoustic start is enabled” “acoustic start is disabled”
NOTE. In setup of acoustic start mode the current sound level and the
start level is displayed. Use «∇», «∆» buttons to set needed start level. If
the start level is at minimum position, it means that the acoustic start is disabled.
To return back to setup menu push «C» button .
3.4.3.3 Finishing the setup procedure
When the system is returning to the WORKING mode it saves all set pa-
rameters automatically:
, then:
or
“saving is finished” “saving is blocked”*
* - please check capacity according this operation manual.
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