{"id":6796,"date":"2020-09-10T20:37:44","date_gmt":"2020-09-10T18:37:44","guid":{"rendered":"https:\/\/orsonfrance.com\/faq\/faq-warning-sirens\/"},"modified":"2020-11-09T11:28:34","modified_gmt":"2020-11-09T10:28:34","slug":"faq-warning-sirens","status":"publish","type":"page","link":"https:\/\/orsonfrance.com\/en\/faq\/faq-warning-sirens\/","title":{"rendered":"FAQ Warning sirens"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row css=&#8221;.vc_custom_1596016990908{padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-offset-0 vc_col-lg-12 vc_col-md-offset-0 vc_col-md-12 vc_col-sm-offset-0 vc_col-xs-12&#8243; css=&#8221;.vc_custom_1596018527913{padding-bottom: 0px !important;}&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1595509059974{margin-bottom: 45px !important;border-right-width: 1px !important;padding-top: 50px !important;padding-bottom: 50px !important;border-right-color: #0a50a1 !important;border-right-style: solid !important;}&#8221; offset=&#8221;vc_col-lg-offset-0 vc_col-md-offset-0 vc_col-sm-offset-0 vc_col-xs-6&#8243;][\/vc_column_inner][\/vc_row_inner]<div id=\"ultimate-heading-800869e7f4f82a77b\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-800869e7f4f82a77b uvc-7679 \" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-800869e7f4f82a77b h2'  data-responsive-json-new='{\"font-size\":\"desktop:50px;\",\"line-height\":\"desktop:60px;\"}' ><h2 style=\"font-weight:bold;margin-bottom:10px;\">Questions answers<\/h2><\/div><div class=\"uvc-sub-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-800869e7f4f82a77b .uvc-sub-heading '  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}'  style=\"font-weight:normal;\"><\/p>\n<h3>PPI\/POI industrial warning sirens<\/h3>\n<p>Frequently asked questions about the emergency population warning sirens:<\/div><\/div>[\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1599811939265{padding-top: 60px !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-offset-1 vc_col-lg-10 vc_col-md-offset-0 vc_col-sm-offset-0 vc_col-xs-12&#8243; css=&#8221;.vc_custom_1599811748690{margin-right: 4% !important;margin-bottom: 4% !important;margin-left: 4% !important;padding-right: 4% !important;padding-bottom: 4% !important;padding-left: 4% !important;}&#8221;][vc_accordion active_tab=&#8221;false&#8221; collapsible=&#8221;yes&#8221; title_size=&#8221;h3&#8243; style=&#8221;3&#8243;][vc_accordion_tab title=&#8221;How to choose a siren?&#8221;][vc_column_text]The coverage radius is the main value to consider at the time to choose a siren. It is very important to know the size of the area to cover, as this information will be decisive to define the output efficiency of the siren. In addition, it is highly recommended to realize a case study to determine the number of sirens that need to be be installed as the relief and the configuration of the area to cover will be determinant.<\/p>\n<p>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;What kind of trigger should be choosen?&#8221;][vc_column_text]Several types of triggers are normally used.<br \/>\nThe simplest trigger remains the one from the control cabinet.<\/p>\n<p>If you need to trigger your siren in a remote mode, you have the choice between:<\/p>\n<p>[\/vc_column_text]<div class=\"standard-arrow list-divider bullet-top\"><ul>\n<li>A remote box connected by cables<\/li>\n<li>A telephone transmitter (only 1 siren)<\/li>\n<li>A connection to National Alert System<\/li>\n<\/ul>\n<\/div>[vc_column_text]It is very important to know how many sirens should be triggered.<br \/>\nWe offer others multi sirens trigger systems:<\/p>\n<p>[\/vc_column_text]<div class=\"standard-arrow list-divider bullet-top\"><ul>\n<li>High-debit Radio system (from 1 to 6 sirens)<\/li>\n<li>Secured digital radio system with command control system (form 1 to 256 sirens)<\/li>\n<\/ul>\n<\/div>[\/vc_accordion_tab][vc_accordion_tab title=&#8221;Why should i install an emergency population warning siren?&#8221;][vc_column_text]The alert of the population consists in delivering a signal, released by the authorities during an emergency phase, to warn the population of a imminent or current danger, that could affect their physical integrity and require a safe reflex behavior.<\/p>\n<p>Thus, the warning was only deliver to make people behave safely, which simply means, get shelter from danger: evacuate or shelter in a building, waiting for further information.<\/p>\n<p>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;What are the difference between industrial sirens and national alert sirens?&#8221;][vc_column_text]The main difference is that the sirens, part of the National Alert System, are directly managed by the state or locals authorities \u2013 whether for the maintenance or the trigger \u2013 and industrial sirens (or PPI Sirens) are under the control of the private operator.<\/p>\n<p>[\/vc_column_text][\/vc_accordion_tab][vc_accordion_tab title=&#8221;Comment et par qui est diffus\u00e9 le signal national d&#8217;alerte ?&#8221;][vc_column_text]Le signal national d&#8217;alerte peut \u00eatre diffus\u00e9 par les \u00e9quipements publics d&#8217;alerte (sir\u00e8nes du R\u00e9seau National d&#8217;Alerte et sir\u00e8nes communales) et par les moyens de diffusion propres aux installations soumises \u00e0 Plan Particulier d&#8217;Intervention (sir\u00e8nes industrielles). Le d\u00e9cret du 12 octobre 2005 relatif au code d&#8217;alerte national stipule que le signal national d&#8217;alerte est \u00ab d\u00e9clench\u00e9 sur d\u00e9cision du Premier ministre, des pr\u00e9fets de d\u00e9partement et \u00e0 Paris du pr\u00e9fet de police ou des maires qui informent sans d\u00e9lai le pr\u00e9fet du d\u00e9partement. \u00bb D&#8217;un point de vue technique, le d\u00e9clenchement peut \u00eatre fait \u00e0 distance et de mani\u00e8re automatis\u00e9e par le pr\u00e9fet, ou localement et manuellement par le maire. S&#8217;agissant des sir\u00e8nes PPI, les mesures d&#8217;alerte peuvent \u00eatre d\u00e9clench\u00e9es sur d\u00e9cision du pr\u00e9fet ou directement par l&#8217;exploitant dans les conditions fix\u00e9es en amont par le pr\u00e9fet de d\u00e9partement.<\/p>\n<p>[\/vc_column_text][\/vc_accordion_tab][\/vc_accordion][\/vc_column][\/vc_row][vc_row full_width=&#8221;stretch_row&#8221; content_placement=&#8221;middle&#8221; bg_type=&#8221;grad&#8221; bg_override=&#8221;ex-full&#8221; css=&#8221;.vc_custom_1599762379317{padding-top: 60px !important;padding-bottom: 40px !important;background-color: rgba(10,80,161,0.5) !important;*background-color: rgb(10,80,161) !important;}&#8221; bg_grad=&#8221;background: 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css=&#8221;.vc_custom_1596016990908{padding-top: 0px !important;padding-bottom: 0px !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-offset-0 vc_col-lg-12 vc_col-md-offset-0 vc_col-md-12 vc_col-sm-offset-0 vc_col-xs-12&#8243; css=&#8221;.vc_custom_1596018527913{padding-bottom: 0px !important;}&#8221;][vc_row_inner][vc_column_inner width=&#8221;1\/2&#8243; css=&#8221;.vc_custom_1595509059974{margin-bottom: 45px !important;border-right-width: 1px !important;padding-top: 50px !important;padding-bottom: 50px !important;border-right-color: #0a50a1 !important;border-right-style: solid !important;}&#8221; offset=&#8221;vc_col-lg-offset-0 vc_col-md-offset-0 vc_col-sm-offset-0 vc_col-xs-6&#8243;][\/vc_column_inner][\/vc_row_inner][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1599811939265{padding-top: 60px !important;}&#8221;][vc_column offset=&#8221;vc_col-lg-offset-1 vc_col-lg-10 vc_col-md-offset-0 vc_col-sm-offset-0 vc_col-xs-12&#8243; 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