Error message

Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home1/dezafrac/public_html/ninethreefox/includes/common.inc).

7

bosch plena voice alarm controller manual

LINK 1 ENTER SITE >>> Download PDF
LINK 2 ENTER SITE >>> Download PDF

File Name:bosch plena voice alarm controller manual.pdf
Size: 2106 KB
Type: PDF, ePub, eBook

Category: Book
Uploaded: 9 May 2019, 18:26 PM
Rating: 4.6/5 from 684 votes.

Status: AVAILABLE

Last checked: 3 Minutes ago!

In order to read or download bosch plena voice alarm controller manual ebook, you need to create a FREE account.

Download Now!

eBook includes PDF, ePub and Kindle version

✔ Register a free 1 month Trial Account.

✔ Download as many books as you like (Personal use)

✔ Cancel the membership at any time if not satisfied.

✔ Join Over 80000 Happy Readers

bosch plena voice alarm controller manualThese instructions are supplied together with all equipment that can be connected to the mains. Use shielded cable (Cat-5) between the routers and the controller. Supervision. 77 18.1 Introduction. 77 18.2 Processor reset.77 18.3 Network.77 18.4 Power amplifiers. 77 18.5 Ground short.78 18.6 Emergency trigger inputs. These can be converted to non-metric units using the information provided below. When the power that is supplied by the voice push-to-talk (PTT) button. Smaller hotels are typical examples of applications with. Business calls always have a priority 4. The six green LEDs indicate the zones to which BGM is distributed. Use Cat-5 Ethernet cables 19-inch rack-mounting installation. Use shielded Cat-5 Ethernet. Use shielded Cat-5 Ethernet cables with RJ45 (Z1 to Z6). The business trigger 5.3. The procedure for connecting a voice alarm router to. The six green LEDs indicate the zones to which BGM is distributed. The procedure for connecting the status outputs is the same as the procedure for connecting status outputs to the voice alarm controller (see section 5.3.11). The remote control extension has 1 status output 6 Firmware upgrade connector - An RS232 contacts to indicate the current system state. The EOL board operates with a normally closed output and 14. Other parts of the system must be software configured using the Plena Voice Alarm System configuration software. The volume of the. If a short-circuit is detected, the line output of the short- circuited line is isolated and shut down within 200 ms. They indicate short- circuit (see section 18.11.3) and impedance supervision (see section 18.11.2) faults. If a loudspeaker line indicator lights, check the wiring of the indicated loudspeaker line and try to solve the fault. It starts a beeper, de-energizes APR mode the Fault Status output contact and lights an indicator Asian-Pacific Region mode.http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/2020/09/031556213785.xml

    Tags:
  • bosch plena voice alarm controller manual, bosch plena voice alarm controller user manual, bosch plena voice alarm controller manual, bosch plena voice alarm controller manual download, bosch plena voice alarm controller manual online, bosch plena voice alarm controller manual 2017, bosch plena voice alarm controller manual 2016, bosch plena voice alarm controller manual instructions, bosch plena voice alarm controller manual free, bosch plena voice alarm controller manual downloads, bosch plena voice alarm controller manual user.

The signed paper has the nature of a certificate and can have significant meaning in the case of a legal investigation of the liability issue for personal injuries. Responsibility of into emergency loudspeaker zones if required the installer. The Plena Voice Alarm System emergency sound systems are given in complies with IEC60065. This should be done by a qualified electrician. Furthermore the final installation should always be tested according to the above standard to ensure proper functioning. These instructions are supplied together with all equipment that can be connected to the mains.Thank you for choosing a Bosch Security Systems product.Do not change the call station. Not for use in basic systems. positions of the switches.For compliance to evacuation standards, the Plena Voice Alarm System disables the call station during emergency calls.Boxed equipment is relatively well protected.See figure 3.5 for connection details.See section 4.5. 1 1. Reserved Reserved. This DIP switch must always be in the OFF position.The indicator remains on until the fault is acknowledged and reset.Yellow Fault in the system. Z1-Z6 System is in emergency state.Note See section 5.6.4 for information about exiting the emergency state.Contact your dealer. Use shielded cable (CAT-5) between the routers and the controller. The factory default setting of the Plena Voice Alarm System Controller is as follows: One channel system. Supervision off. Please read the latest release notes for the version of the hardware and software you are using. With firmware (e.g ), the first digit is a major release, where backward compatibility is not guaranteed, second digits are changes in functionality that are backward compatible, the last digits are for bug fixes without impact on functionality. Lastly, the PC configuration software may have an Rx suffix, that indicates changes to the PC configuration software without changes to firmware V2.0 Installation and Operation manual Bosch Security Systems B.http://dorapeyzaj.com/userfiles/canon-eos-rebel-xt-user-manual-download.xmlV. 9 Plena About this manual en About this manual Purpose of this manual The purpose of the Installation and Operation manual is to provide information that is required to install, configure and operate a Plena Voice Alarm System. 2.2 Intended audience The Installation and Operation manual is intended for installers and users of an (extensive) Plena Voice Alarm System. 2.3 Related documentation The following related document is available: Plena Voice Alarm System Configuration Software Manual. Refer to the product related information on Alerts and notice signs Four types of signs can be used in this manual. The type is closely related to the effect that may be caused if it is not observed. These signs - from least severe effect to most severe effect - are: Notice. Containing additional information. Usually, not observing a notice does not result in damage to the equipment or personal injuries.!! Caution! The equipment or the property can be damaged, or persons can be lightly injured if the alert is not observed. Warning! The equipment or the property can be seriously damaged, or persons can be severely injured if the alert is not observed. Danger! Not observing the alert can lead to severe injuries or death. Bosch Security Systems B.V. Installation and Operation manual V2.0 10 10 en About this manual Plena 2.5 Conversion tables In this manual, SI units are used to express lengths, masses, temperatures etc. Application areas The application areas of the Plena Voice Alarm System include: Supermarkets, shops Factories High-rise buildings Office buildings Schools Recreational facilities Hotels Small airports Plena The Plena Voice Alarm System is part of the Plena product range. Plena provides public address solutions for places where people gather to work, worship, trade or simply enjoy themselves. It is a family of system elements that are combined to create public address systems tailored for virtually any application.https://labroclub.ru/blog/bose-wave-awrcc5-manual The range includes mixer, pre, system and power amplifiers, a source unit, digital message manager, feedback suppressor, conventional and PC call stations, an All-in-One system, an audio interface, a timer, a charger, a loop amplifier, a BGM source and a voice alarm system. Each element is designed to complement all others thanks to matched acoustical, electrical and mechanical specifications. Praesideo It is possible to combine the Plena Voice Alarm System with e.g. a Praesideo digital public address and emergency sound system, or a Promatrix or other system. When an audio output of Praesideo is connected to a VOX audio input of the Plena Voice Alarm System, calls that are made by the Praesideo system overrule the calls that are made with the Plena Voice Alarm System V2.0 Installation and Operation manual Bosch Security Systems B.V. 13 Plena System overview en Voice Alarm Controller The Voice Alarm Controller is the heart of the Plena Voice Alarm System. The voice alarm controller distributes emergency calls, business calls as well as background music (BGM) to up to 6 loudspeaker zones. Figure 3.1: Voice Alarm Controller Notice. When the voice alarm controller has been purchased in the Asian-Pacific Region, the emergency button has a different cover Hand-held microphone The voice alarm controller is equipped with a hand-held microphone, which can be used to make emergency calls. Internal power amplifier The voice alarm controller has a 240 W internal power amplifier, which can be used in 1 channel or 2 channel mode. In the 1 channel mode, all calls and BGM are amplified by the internal power amplifier. If desired, an external power amplifier can be connected for spare switching. In the 2 channel mode, the BGM is amplified by the internal power amplifier, whereas the calls are amplified by an external power amplifier. Internal message manager The voice alarm controller has an internal message manager, which maps wave files (.http://www.isovca.com/images/buck-stove-26000-owners-manual.pdfwav) to messages that can be played by the Plena Voice Alarm System. Supervision All necessary supervision features for compliance to evacuation standards are integrated into the voice alarm controller. If supervision is enabled and a fault is detected, the voice alarm controller lights a LED on its front panel that indicates the cause of the fault. Trigger inputs The voice alarm controller has a terminal block to which 6 emergency (EMG) and 6 business trigger inputs can be connected. Third party systems can use the trigger inputs to start emergency and business calls in the Plena Voice Alarm System. Bosch Security Systems B.V. Installation and Operation manual V2.0 14 10 k 10 k N en System overview Plena Remote control With the Voice Alarm Remote Control, it is possible to control the voice alarm controller from another site. The remote control is also available as kit (Voice Alarm Remote Control Kit) for creating customized solutions. The maximum number of remote controls that can be connected to the voice alarm controller is 2. A special type of remote control is the Fireman s Panel. The green power LED is lit if the voice alarm controller is connected to the mains or back-up power and switched on. The VU meter indicates the master VU level: 0 db (red), 6 db, -20 db (yellow). Notice: As the pilot-tone level of the VAS is -20 db or -23 db in some amplifiers, the -20 db LED will be on continuously. Fault indication is only possible if supervision is enabled (see section Fault indicators, page 98). If supervision is disabled, the yellow Disabled LED is lit. 3. Fault state buttons: Two buttons to acknowledge (Ack) and reset (Reset) the fault state (see section Fault State, page 96). 4. Emergency state buttons: Two buttons to acknowledge (Ack) and reset (Reset) the emergency state (see section Emergency state, page 91). 5.https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/162929f91f050a---96-volvo-850-glt-manual.pdf Emergency call zone selectors: Six buttons to select the zones to which the emergency call must be distributed (see section Emergency state, page 91). Each button has a green and a red LED. The six red LEDs indicate the zones that are selected for the emergency call. The six green LEDs indicate the zones in which a business call is running. 6. BGM zone selectors: Six buttons to select the zones to which the BGM is distributed (see section Background music, page 88). Each button has a green LED and a rotary knob. The six green LEDs indicate the zones to which BGM is distributed. The six rotary knobs are local volume controls that can be used to adjust the volume of the BGM in each zone. The selected source is indicated with a green LED (see section Background music, page 88). 9. BGM tone controls: Two rotary knobs to control the high and low frequencies of the BGM (see section Background music, page 88). 10. All call button: A button to select all zones. This button is only available in the emergency state (see section Emergency state, page 91). 11. Indicator test button: A button to test all LEDs on the front panel of the voice alarm controller, and connected voice alarm routers, remote control panels, remote control extensions and fireman s panels. All LEDs are lit as long as the button is pushed (see section Fault State, page 96). 12. Emergency button: A push button to put the system in the emergency state (see sectionemergency state, page 91). 13. Alert message button: A button to select the alert message. This button is only available in the emergency state (see section Emergency state, page 91). 14. Alarm message button: A button to select the default alarm message. This button is only available in the emergency state (see section Emergency state, page 91). Bosch Security Systems B.V. Installation and Operation manual V2.0 16 16 en System overview Plena 15.cokhixaydung.com/images/uploads/files/3pm-futaba-manual.pdf Microphone socket: A socket to connect the hand-held emergency microphone (see section Emergency microphone, page 49). 16. Bracket: A bracket for the hand-held emergency microphone that is supplied with the voice alarm controller. 17. Monitoring speaker: Built-in monitoring speaker. 18. Zone outputs: Six zone outputs to connect loudspeakers to the voice alarm controller. Do not change the positions of the switches. 24. Calibration switch: A switch to calibrate the impedances of the loudspeaker lines for loudspeaker supervision (see section Calibration, page 87). 25. Configuration settings: A set of DIP switches to configure the system (see section System settings, page 75). 26. PC socket: A USB socket to connect the voice alarm controller to a PC. The VOX settings are configured with the DIP switches and the source switch (see section VOX configuration, page 81). 39. PC Call station input: An input to connect a PC call station. For future use. 40. BGM inputs: Two inputs to connect background music sources. Each input consists of two cinch sockets (see section BGM inputs, page 60). 41. Line output: A line output to connect an external recording device to record the audio of the Plena Voice Alarm System (see section Line output, page 58). 42. External power amplifier (output): An XLR socket to connect an external power amplifier (see section External power amplifier, page 52). This socket is used in combination with the external power amplifier input (no. 47). 43. Trigger outputs: Two general purpose trigger outputs. For future use. TR1 is active during impedance check. 44. Internal power amplifier output: Three pins that provide the 100 V audio signal of the internal power amplifier of the voice alarm controller. Also includes a 70 V connection. 45. Call output: An output that provides the call audio of the Plena Voice Alarm System. 46. Back-up power inlet: An inlet to connect a back-up power supply to the voice alarm controller (see section Power, page 62). 47.https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/162929f960416a---96-volvo-850-turbo-repair-manual.pdf External power amplifier (input): An input to connect an external power amplifier (see section External power amplifier, page 52). These pins are used in combination with the external power amplifier output (no. 42). Bosch Security Systems B.V. Installation and Operation manual V2.0 18 18 en System overview Plena 3.3 Voice Alarm Router With the Voice Alarm Router, the number of loudspeaker zones and trigger inputs in the system can be increased. Figure 3.3: Voice alarm router Loudspeaker zones A voice alarm controller can serve and manage 6 loudspeaker zones. To increase the number of zones in the system, one or more Voice Alarm Routers can be connected to the voice alarm controller. Each router adds a maximum of 6 zones to the system. As the maximum number of voice alarm routers that can be connected in a system is 19, the maximum number of zones in a Plena Voice Alarm System is 120 (from hardware and software version 3.x onwards). Notice! If older routers are used (version 2.x or higher), 60 zones can be addressed. The recommendation is to always use 3.x hardware in combination with each other Trigger inputs A voice alarm controller can manage 6 emergency (EMG) and 6 business trigger inputs. To increase the number of EMG and trigger inputs, one or more voice alarm routers can be connected to the voice alarm controller. Each router adds a maximum of 6 EMG trigger inputs and 6 business trigger inputs to the system. As the maximum number of voice alarm routers that can be connected in a system is 19, the maximum number of EMG trigger inputs in a Plena Voice Alarm Systemis 120 (from hardware and software version 3.x onwards). The maximum number of business trigger inputs in a Plena Voice Alarm System is also 120 (from hardware and software version 3.x onwards). Notice! If older routers are used (version 2.x or higher), 60 zones can be addressed. The recommendation is to always use 3.https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/162929fa62cfa7---96-vw-golf-owners-manual.pdfx hardware in combination with each other External power amplifiers The voice alarm router does not have an internal power amplifier. When the power that is supplied by the voice alarm controller is insufficient, to each voice alarm router two external power amplifiers can be connected. In a multi router system, multiple power amplifiers can be connected to amplify calls and background music (BGM) or just for backup purposes. Remote control With the Voice Alarm Remote Control Extension, it is possible to control the voice alarm router from another location. The green power LED is lit if the voice alarm router is connected to the mains or back-up power and switched on. Fault indication is only possible if supervision is enabled (see section Fault indicators, page 98). 3. Emergency call zone selectors: Six buttons to select the zones to which the emergency call must be distributed (see section Emergency state, page 91). Each button has a green and a red LED. The six red LEDs indicate the zones that are selected for the emergency call. The six green LEDs indicate the zones in which a business call is running. 4. BGM zone selectors: Six buttons to select the zones to which the BGM is distributed (see section Background music, page 88). Each button has a green LED. The six green LEDs indicate the zones to which BGM is distributed. 5. Zone outputs: Six zone outputs to connect loudspeakers to the voice alarm router. Each zone output consists of two loudspeaker line outputs (see section Loudspeakers, page 66). Bosch Security Systems B.V. Installation and Operation manual V2.0 20 20 en System overview Plena 6. External power amplifier 1 (input): An input to connect an external power amplifier (see section External power amplifiers, page 67). For future use. 23. Back-up power inlet: An inlet to connect a back-up power supply to the voice alarm router (see section Power, page 68). 24.www.cocuknorologu.com/image/files/3pm-fs-manual.pdf External power amplifier 2 (input): An input to connect an external power amplifier (see section Voice Alarm Router, page 109). These pins are used in combination with the external power amplifier output (no. 18) V2.0 Installation and Operation manual Bosch Security Systems B.V. 21 Plena System overview en Call Station The Call Station can be connected to the Plena Voice Alarm System to make business calls. The maximum number of call stations in a Plena Voice Alarm System is 8. Figure 3.5: Call Station Buttons Each call station has zone select buttons and a push-to-talk (PTT) button. The zone select buttons can be configured for selecting zones and zone groups in the system. To the PTT button, a pre and post chime can be assigned that is played at the start or at the end of the business call. Supervision The call station is not supervised. For compliance to evacuation standards, the Plena Voice Alarm System disables the call station during emergency calls. Bosch Security Systems B.V. Installation and Operation manual V2.0 22 22 en System overview Plena Keypad Each voice alarm router can add 6 extra loudspeaker zones to the system. To be able to distribute calls to the extra zones, it is possible to connect Remote Control Extension to the call station. The maximum number of keypads that can be connected to a call station is 8, with a maximum of 32 total in a system. Notice! To address zones in a 120-zone system, zone groups need to be made. Figure 3.6: Call station keypad V2.0 Installation and Operation manual Bosch Security Systems B.V. 23 Plena System overview en Controls, connectors and indicators Plena ON Figure 3.7: Top and bottom views of the call station Controls, indicators and connectors on the call station: 1. Power indicator: A green LED to indicate that the call station is powered on. 2. Zone selection buttons: Six buttons to select the zones to which the business call is distributed (see section Business calls, page 89). Bosch Security Systems B.V. Installation and Operation manual V2.0 24 24 en System overview Plena 3.5 Call Station Keypad Plena Figure 3.8: Top and bottom views of the call station keypad Controls, indicators and connectors on the call station keypad: 1. Zone selection buttons: Seven buttons to select the zones to which the business call is distributed (see section Business calls, page 89). The green power LED is lit if the remote control is connected to the power supply. Fault indication is only possible if supervision is enabled (see section Fault indicators, page 98). If supervision is disabled, the yellow Disabled LED is lit. 3. Fault state buttons: Two buttons to acknowledge (Ack) and reset (Reset) the fault state (see section Fault State, page 96). 4. Emergency state buttons: Two buttons to acknowledge (Ack) and reset (Reset) the emergency state (see section Emergency state, page 91). Bosch Security Systems B.V. Installation and Operation manual V2.0 26 26 en System overview Plena 5. Emergency call zone selectors: Six buttons to select the zones to which the emergency call must be distributed (see section Emergency state, page 91). Each button has a green and a red LED. The six red LEDs indicate the zones that are selected for the emergency call. The six green LEDs indicate the zones in which a business call is running. 6. BGM zone selectors: Six buttons to select the zones to which the BGM is distributed (see section Background music, page 88). Each button has a green LED. The six green LEDs indicate the zones to which BGM is distributed. It is not possible to control the volume of the BGM with the remote control. 7. All call button: A button to select all zones. This button is only available in the emergency state (see section Emergency state, page 91). 8. Indicator test button: A button to test all LEDs on the front panel of the remote control and all connected remote control extensions. All LEDs are lit as long as the button is pushed (see section Fault State, page 96). 9. Emergency button: A push button to put the system in the emergency state (see section Emergency state, page 91). 10. Alert message button: A button to select the alert message. This button is only available in the emergency state (see section Emergency state, page 91). 11. Alarm message button: A button to select the default alarm message. For future use. 24. Status outputs: Three status outputs to send the status of the Plena Voice Alarm System to third party equipment (see section Status output contacts, page 70) V DC input: One 24 V(DC) input to connect the remote control panel to a power supply (see section Power, page 71). Voice Alarm Remote Control kit With the Voice Alarm Remote Control Kit, it is possible to make customized remote controls that can be connected to the voice alarm controller. The remote control kit provides the same functionality as the Voice Alarm Remote Control. The rear panel of the remote control kit is the same as the rear panel of the Voice Alarm Remote Control (see Voice Alarm Remote Control, page 25). The green power LED is lit if the remote control extension is connected to the mains or back-up power and switched on. Fault indication is only possible if supervision is enabled (see section Fault indicators, page 98). 3. Emergency call zone selectors: Six buttons to select the zones to which the emergency call must be distributed (see section Emergency state, page 91). Each button has a green and a red LED. The six red LEDs indicate the zones that are selected for the emergency call. The six green LEDs indicate the zones in which a business call is running. 4. BGM zone selectors: Six buttons to select the zones to which the BGM is distributed (see section Background music, page 88). Each button has a green LED. For future use. 12. Status output: One status output to send the status of the Plena Voice Alarm System to third party equipment (see section Status output contacts, page 73) V DC input: One 24 V(DC) input to connect the remote control panel to a power supply (see section Power, page 73). Remote Control Extension kit With the Voice Alarm Control Extension Kit, it is possible to make customized remote control extensions that can be connected to a remote control (Fireman s Panel, Remote Control, Remote Control kit). The remote control extension kit provides the same functionality as the Voice Alarm Remote Control Extension. The rear panel of the remote control extension kit is the same as the rear panel of the Voice Alarm Remote Control Extension (see Remote Control Extension, page 28). The green power LED is lit if the fireman s panel is connected to the power supply. Fault indication is only possible if supervision is enabled (see section Fault indicators, page 98). If supervision is disabled, the yellow Disabled LED is lit. 9. Indicator test button: A button to test all LEDs on the front panel of the fireman s panel and all connected remote control extensions. For future use. 19. Status outputs: Three status outputs to send the status of the Plena Voice Alarm System to third party equipment (see section Status output contacts, page 74) V DC input: One 24 V(DC) input to connect the fireman s panel to a power supply (see section Power, page 74). Bosch Security Systems B.V. Installation and Operation manual V2.0 32 32 en System overview Plena 3.11 End Of Line detection board The End Of Line (EOL) detection board makes a continuous check of the integrity of the loudspeaker line based on a pilot tone. This check is in addition to the check given by the impedance measurement. The pilot tone is independent of the quantity of the loudspeakers in the system or the load on the speaker cables. The EOL is installed in the speaker cabinet at the furthest point on a loudspeaker line. When the EOL detects a pilot tone that is given by the voice alarm system, the loudspeaker lines have no fault. The EOL trigger output is closed and the LED lights up to show that the lines have a pilot tone signal. If the loudspeaker cable has a fault, the pilot tone stops. The EOL circuit becomes open, which is detected by the Voice Alarm Controller. One EOL board can be installed to give a single fault indication per zone or more than one can be installed on a single fault input to check the integrity of a loudspeaker line with several branches. When more than one EOL board is installed, the configuration is called a daisychain. When a fault is detected by the Voice Alarm Controller, to find the EOL board that detects the failure, every individual board must be checked Application examples Schools Schools are typical example of applications with a large number of zones each with a relatively low output power requirement per zone. The main priorities are speech intelligibility and compliance with IEC standard (or equivalent). BGM is not essential. Since a classroom has a low ambient noise level, 1 loudspeaker is usually sufficient, keeping the total power requirement relatively low. Outside areas such as playgrounds and sports fields will require weatherproof horn loudspeakers. Summary of requirements Typically 20 to 60 zones (in high schools) Speech intelligibility is the main priority Low power requirement (1 loudspeaker) per classroom Fireman s panel by main entrance Call station in main office Additional public address functions such as chime tones desirable BGM in recreation areas is optional Solution for a 30-zone system The Plena Voice Alarm System Controller handles message routing to 6 zones, the remaining 24 zones require four additional 6-zone routers. The office is equipped with a call station plus keypads for individually addressing zones, while a fireman s panel (with overall priority) is built in by the main entrance. Power requirements The system controller features a built in 240 W power amplifier, making it possible to drive up to 40 loudspeakers with a power handling capacity of 6 W each. The canteen, assembly hall, playing fields and corridors typically require more loudspeakers per zone. An additional Plena Power Amplifier is used as a spare amplifier. The main priorities are excellent speech intelligibility and compliance with IEC standard (and its national equivalents), although music in different areas is optional. An EVAC system for a swimming pool requires voice alarm functionality with public address functionality for regular announcements and background music (optional). To ensure that all visitors in the relatively noisy pool area hear emergency messages, the power output for that zone is relatively high. Other areas, such as the changing rooms and offices, have lower power requirements. The Plena Voice Alarm System is a two-channel system, so BGM can still be provided in zones not receiving a call. Power requirements The system controller has a built-in 240 W power amplifier, making it possible to drive up to 40 loudspeakers with a power handling capacity of 6 W each. The pool area requires high power music loudspeakers qualified for use in a high humidity atmosphere. The snack bar uses cabinet loudspeakers for music reproduction. The zones are defined as indicated in the table. An additional Plena Power Amplifier is used for two-channel operation and as a spare amplifier. The priorities are speech intelligibility and compliance with IEC standard (and its national equivalents). In addition to mandatory voice alarm functionality for evacuating the public and shop personnel, an EVAC system for shopping centers can have BGM for the public areas. It should be possible to individually call each shop or store. During emergency messages, each shop s BGM volume control is automatically overridden.