Luohe where public broadcasting system sales monopoly Jiaming Yang 1503 +71780 +75 www.69139139.com 534 +64 +9528 Zheng * City Market Milan sun Unit 2, Building 208 normal circumstances, large shopping malls, supermarkets, public broadcasting system should have a fire emergency broadcast system function. Under normal circumstances, the public broadcasting system in addition to play background music, background music radio broadcast notification system function in the face of a fire alarm, the accident area manually constituency emergency broadcast. Large shopping malls, supermarkets public broadcasting system, the program source is usually set three: CD player, dual card cassette deck and broadcast microphones. Selection of multi-disc CD player, CD player, all tracks can be pre-cycle pre-load more than one CD and play for playing background music use. Optional dual-card deck, cassette deck the double card can cycle to work, play background music tapes also available for broadcast notice the use of temporary recording. Optional desktop gooseneck microphone broadcast microphone, cao for convenient, built-in bell generator, think before you speak may issue a the crisp bell, reminded the audience's attention, primarily for broadcast notification. Jiaming Yang 1503 +71780 +75 www.69139139.com 534 +64 +9528 Zheng * City Market Milan Sunshine Building 2 unit 208 large shopping malls, supermarket public address system speaker selection basically follow the following principles: a decorative ceiling area with ceiling speakers, the decorative ceilings region using of suspended speakers or wall-mounted speakers. Jiaming Yang 1503 +71780 +75 www.69139139.com 534 +64 +9528 Zheng * City Market Milan sun many large shopping malls, supermarkets, Unit 2, Building 208 as a single-storey building, in accordance with the regulatory requirements of the fire protection system in China, its internal area You must set the fire shutter doors. To this end, we in the design of large shopping malls, supermarkets, public address system, must also be in accordance with the relevant provisions of the broadcast by internal fireproof partitions. It is necessary to take into account regional settings owned sound source for merchandising, this specially equipped emergency broadcast switching module. Under normal circumstances, these areas can broadcast emergency fire, automatic forced to cut into the public address system, and conduct fire emergency broadcast. Taking into account the large shopping malls, supermarkets use features and requirements of each area is different, therefore, the public address system should be set to all regions and office space alone * a volume adjustment function of the volume controller. In order to meet the requirements of fire radio, all faders should have an emergency switch (the strong cut) function, to ensure that the state of fire emergency broadcast can achieve maximum volume broadcast. Mall background music, supermarket traffic, in order to prevent the fire probe false alarms caused by customer unnecessary panic, under normal circumstances, if the fire control host and radio host in the same room, broadcast partition control system set up fire linkage to control the special features of the automatic emergency broadcast. Just based on the broadcast area have been identified, with the broadcast area selection, the broadcast area switch the broadcast zone control system, manually select the broadcast area, the background music broadcast or fire emergency broadcast. If the fire control host and radio host is divided into two, it is only to consider additional fire linkage automatic alarm, automatic boot function, do not set the same fire control linkage to the special features of the automatic emergency broadcast. Jiaming Yang 1503 +71780 +75 www.69139139.com 534 +64 +9528 Milan sun, Zheng * City Market Building 5, Unit 2, 208