Kungani Izipikha Zezimpondo Zangaphandle Zibalulekile
Izindawo zezimboni zinezinselele ezinkulu ze-acoustic, ezibonakala ngezindawo ezivulekile ezinkulu nomsindo ophezulu we-air. Njengoba izikhungo zithuthukisa ingqalasizinda yazo ukuze zihlangabezane nezindinganiso zokusebenza zika-2026, isipikha se-horn sangaphandle sisalokhu siyingxenye ebalulekile yeIkheli Lomphakathi (PA)kanye nezinhlelo ze-General Alarm (PAGA). Ngokungafani nezingxenye zomsindo ezijwayelekile zezentengiselwano, izikhulumi ze-horn zezimboni zenzelwe ukungena emazingeni omsindo wangemuva avame ukudlula u-85 dB(A) emikhakheni efana nokukhiqiza, amakhemikhali kaphethroli, kanye ne-logistics.
Ukwakheka okuyisisekelo kwala ma-transducer kubeka phambili ukuqina okukhulu kanye nokusebenza kahle kwe-acoustic. Ngokuguqula amandla kagesi abe amandla e-acoustic agxilile, lezi zinhlelo ziqinisekisa ukuthi izimemezelo ezibalulekile zokuphepha kokuphila kanye nokusakazwa kwansuku zonke okusebenza kulethwa ngokucacile kuzo zonke izinyathelo zezimboni ezinkulu.
Ukuthuthukisa ukuzwakala kanye nokumbozwa
Inzuzo eyinhloko ye-acoustic yesipikha se-horn isekuklanyweni kwaso okufanisa i-impedance. Ngokusebenzisa i-flaring waveguide, isipikha sihlanganisa ngempumelelo ingcindezi ephezulu ekhiqizwa umshayeli wokucindezela nengcindezi ephansi yomoya ovulekile. Lokhu kukhulisa ngokomzimba kuvumela isipikha se-horn esijwayelekile sama-watt angu-30 ukuthi sifinyelele amazinga okucindezela komsindo (SPL) angaphezu kuka-120 dB kumitha eli-1.
Ngenxa yalokho, iyunithi eyodwa ingagcina ukuzwakala kwezwi okubucayi ebangeni elingamamitha angu-50 kuya kwangu-150. Lokhu kuqoshwa okugxile kunqoba umthetho wesikwele ophambene wokunciphisa umsindo ngokuphumelelayo kakhulu kunezikhulumi zekhoni ezikhipha imisebe eqondile, kunciphisa kakhulu ihadiwe iyonke kanye namandla e-amplifier adingekayo ukumboza indawo engamahektare amaningi.
Ukusekela izinhlelo zesimanje ze-PA zezimboni
Izinhlelo ze-PA zezimboni zanamuhla zishintsha ngokushesha kusuka kuzakhiwo ze-analog ezindala ziye ngokupheleleizinhlaka ze-IP/SIP ezixhunyiweNgo-2026, ukuhlanganiswa kwezipikha ze-horn zangaphandle ze-Power over Ethernet (PoE+) kuzoba yindlela ejwayelekile yokwakha izikhungo ezintsha kanye nokulungiswa okukhulu. Lezi zimpondo ezisebenzisa i-IP zixhuma ngqo kwi-Local Area Network (LAN) yesikhungo, okuvumela ukuhlukaniswa kwezindawo, ukuqapha impilo ekude, kanye nokuhlanganiswa okungenamthungo nengqalasizinda ye-VoIP ekhona.
Izipikha ze-horn ezixhunyiwe zingafinyelela ukulethwa komsindo ngokubambezeleka okungaphansi kwama-millisecond angu-20, okuqinisekisa ukusakazwa okuhambisanayo kuzo zonke izikhungo ezinkulu zezimboni. Lokhu kuhlanganiswa kwedijithali kuqeda umphumela we-echo ovamile kuma-analog daisy-chain amadala futhi kuvumela abaphathi besistimu ukuthi balungise amapharamitha e-DSP (Digital Signal Processing) ngokwesikhulumi ngasinye, okwenza ngcono ukuzwakala kwezindawo ezincane ezithile ngaphakathi kwesitshalo.
Imininingwane Ebalulekile Yezipikha Zezimpondo Zangaphandle
Ukucacisa isipikha se-horn sangaphandle esifanele kudinga ukuhlolwa okuqinile kwamakhono okukhipha umsindo, ukuqina kwemvelo, kanye nokuhlanganiswa kukagesi. Ukungafani kunoma iyiphi yalezi zinhlaka kungaholela ekwehlulekeni okukhulu kokuxhumana ngesikhathi sezehlakalo eziphuthumayo noma ukuwohloka kwehadiwe ngaphambi kwesikhathi.
I-SPL, ukuzwela, kanye ne-angle yokuhlakazeka
Izilinganiso eziyisisekelo zokusebenza kwesipikha se-horn yizinga laso lokucindezela umsindo (SPL), ukuzwela, kanye ne-engeli yokusabalala. Ukuzwela, okuvame ukulinganiswa ku-1 watt kumitha eli-1 (1W/1m), kuvame ukusuka ku-105 dB kuya ku-110 dB kuma-horn ezimboni, okubonisa ukusebenza kahle okukhulu kwe-electro-acoustic.
Ama-engeli okuhlakazeka alawula indawo yokumboza; ukuhlakazeka okuncane (isb., 60° ngokuvundlile ngo-40° ngokuma) kugxile emandleni e-acoustic ekusetshenzisweni kokuphonsa isikhathi eside, kuyilapho ukuhlakazeka okubanzi (isb., 120° x 90°) kunciphisa ibanga eliphezulu lokumboza okubanzi okuseduze. Onjiniyela be-acoustic kumele babale i-SPL edingekayo endlebeni yomlaleli, bebheka umthetho wesikwele ophambene, olawula ukwehla kwengcindezi yomsindo okungu-6 dB kukho konke ukuphindaphindwa kwebanga ukusuka emthonjeni.
Isilinganiso se-IP, ukumelana ne-UV, kanye nokuvikelwa kokugqwala
Uma kusetshenziswa ngaphandle, imininingwane yezemvelo ibaluleke kakhulu njengokusebenza kwe-acoustic. Izipikha ze-horn zezimboni kumele zibe nesilinganiso sokuvikelwa kokungena (IP) okungenani esingu-IP66, futhi okungcono kube yi-IP67, ukuze zikwazi ukumelana nemvula enkulu, ukugezwa kwamanzi okucindezelayo okuphezulu, kanye nokungena kothuli ngokuphelele.
Ngaphezu kwalokho, izindlu kumele zimelane nokuwohloka kwe-ultraviolet (UV) kanye nokugqwala kwamakhemikhali. Ipulasitiki ye-ABS eqiniswe yi-UV enamandla iyinto ejwayelekile yokusetshenziswa ngaphandle, kuyilapho i-aluminium yezinga lolwandle noma i-polyester ekhethekile eqiniswe ngengilazi (GRP) iyimfuneko ezindaweni ezigqwala kakhulu ogwini noma eziphethroli. Ukubekezelela amazinga okushisa okusebenza ngokuvamile kumele kuqale kusukela ku--40°C kuya ku-+70°C ukuqinisekisa ukuthembeka okuqhubekayo kuzo zonke izimo zezulu zomhlaba.
Izinhlelo zomugqa we-transformer zezindawo ezinkulu
Izindawo ezinkulu zezimboni zithembele ezinhlelweni zomsindo ezisabalaliswe ngamandla aphezulu, ikakhulukazi izinhlelo zomugqa we-transformer ezingama-70V noma angu-100V. Lezi zinhlelo zinciphisa ukwehla okukhulu kwamandla kanye nokulahlekelwa kwamandla okwenzeka ngokuhamba kwesikhathi eside kwekhebula. Izipikha ze-Horn ezifakwe ama-transformer aphansi kakhulu zivumela abafaki ukuthi balungise amandla adonswa yisikhulumi ngasinye (isb., ukukhetha phakathi kwama-taps angu-5W, 10W, 15W, kanye no-30W) ukuze kulinganiswe umthwalo we-amplifier futhi kulungiselelwe ivolumu yezindawo ezithile.
| Umphumela we-Amplifier | Igeyiji Yekhebula (AWG) | Ibanga Eliphezulu (100V, Umthwalo we-100W) | Ibanga Eliphezulu (100V, Umthwalo ongu-30W) |
|---|---|---|---|
| 100V | 18 AWG (0.82 mm²) | ~amamitha angu-450 | ~amamitha ayi-1,500 |
| 100V | 16 AWG (1.31 mm²) | ~amamitha angu-700 | ~amamitha angu-2,300 |
| 100V | 14 AWG (2.08 mm²) | ~amamitha angu-1,100 | ~amamitha angu-3,600 |
Ukukhetha ukusethwa kwempompi okufanele kanye negeyiji yekhebula efanele kuqinisekisa ukuthi isipikha se-horn sangaphandle esikude kakhulu kusekethe sithola i-voltage eyanele ukuze sifinyelele i-SPL yaso elinganisiwe ngaphandle kokulayisha ngokweqile i-matrix yokukhulisa ephakathi.
Izipikha Zezimpondo Zangaphandle vs Ezinye Izipikha Ze-PA
Nakuba isikhulumi se-horn yangaphandle siyinto eyinhloko yomsindo wezimboni, akuyona yodwa i-transducer etholakalayo yokukhuluma esidlangalaleni. Ukuqhathanisa izikhulumi ze-horn nezikhulumi zekhabhinethi, ikholomu, kanye nophahla kugqamisa ukuhwebelana okukhethekile kwe-acoustic kanye nokwenyama okukhona ekwakhiweni kwesistimu yezimboni.
Ukuqhathaniswa kwephethini yokumboza
Amaphethini okumboza ahluka kakhulu phakathi kwezinhlobo zezikhulumi. Izikhulumi zekhabhinethi zisebenzisa amakhoni akhipha imisebe eqondile akhiqiza ukusabalala okubanzi, okuphakathi nendawo, okwenza afaneleke ezindaweni eziseduze, ezinophahla oluphansi. Izikhulumi zekholomu zisebenzisa uhla lwezishayeli ezincane ukudala ukusabalala okuvundlile okubanzi kodwa okulawulwa ngokuqinile, okunciphisa ukubonakaliswa kwephansi nophahla ezindaweni zangaphakathi ezinomsindo kakhulu.
Ngakolunye uhlangothi, izikhulumi ze-horn zisebenzisa i-waveguide yazo yemishini ukulawula ngokuqinile ukuhlakazeka okuvundlile nokuqondile. Lokhu kudala umsebe wamandla e-acoustic oqonde kakhulu odlula amabanga amade ngaphandle kokuhlakazeka, okunciphisa ukuchitheka kwe-acoustic okungafuneki ezindaweni eziseduze noma ezindaweni zokuhlala eziseduze.
Lapho izipikha ze-horn zisebenza kahle khona
Izipikha ze-Horn ziyaphumelela ezindaweni eziphawulwa umsindo ophakeme kakhulu kanye nezinyathelo ezibonakalayo ezinkulu. Izindawo zokuhlanza, amayadi kaloliwe, izimayini ezivulekile, kanye nezindawo zokubeka amachweba zivame ukukhiqiza amazinga omsindo wangemuva aphakathi kuka-90 dB no-110 dB.
Kulezi zilungiselelo, izipikha zamakhabhinethi nezekholomu azikwazi ukusebenza kahle kwe-acoustic kanye nokujikijela okugxilile ukuze kunqobe umsindo ozungezile. Ikhono lesipikha somsindo lokugxila emandleni e-acoustic liqinisekisa ukuthi izimemezelo zokuphepha ezibalulekile zinqamula umsindo wemishini yezimboni futhi zifinyelele kubasebenzi abasebenza ezindaweni ezinkulu zangaphandle ezingavikelekile.
Ikhwalithi yomsindo, ukubukeka, kanye nokushintshana kokulawula imisebe
Umehluko omkhulu lapho ukhetha isipikha se-horn uhilela impendulo yemvamisa kanye nephrofayili yobuhle. Ngenxa yokuthi abashayeli be-horn balungiselelwe ukusebenza kahle kakhulu ebangeni lezwi lomuntu, impendulo yabo yemvamisa ivame ukukhawulelwa ebhendini elincane, ngokuvamile eliphakathi kuka-300 Hz no-8 kHz.
Lokhu kuzenza zisebenze kahle kakhulu ekuqondeni inkulumo kodwa zingafaneleki nhlobo kumculo wangemuva ophelele, okudinga ububanzi obuvela ku-80 Hz kuya ku-20 kHz obunikezwa yizikhulumi zekhabhinethi ezinezindlela ezimbili. Ngaphezu kwalokho, ukubukeka okuvelele, okuwusizo kwama-horn flares amakhulu kungangqubuzana nobuhle bezakhiwo, yize embonini enzima, ukuqina kanye nokulawula imisebe kuthatha indawo yokuqonda okubonakalayo.
| Uhlobo Lwesipikha | Ukuzwela Okuvamile (1W/1m) | Impendulo Yokuvama | Ukuqina Kwemvelo | Isicelo Esifanele Sezimboni |
|---|---|---|---|---|
| Isikhulumi Sesipikha | 105 dB – 110 dB | 300 Hz – 8 kHz | Kuhle kakhulu (IP66/67, GRP) | Amagceke amakhulu angaphandle, izindawo ezinomsindo omkhulu |
| Isikhulumi SeKhabhinethi | 88 dB – 92 dB | 80 Hz – 20 kHz | Okumaphakathi (IP54/IP65) | Amakamelo okulawula angaphakathi, amahhovisi |
| I-Array Yekholomu | 90 dB – 95 dB | 150 Hz – 15 kHz | Okuphezulu (IP55/IP66) | Amahholo angaphakathi ahloniphekile, amapulatifomu |
Ukuthobela, Ukufaka, kanye Nokugunyazwa
Ukusebenzisa uhlelo lwe-PA yezimboni kuyisifundo sobunjiniyela esilawulwa kakhulu. Ukuze kuhlangatshezwane nezindinganiso zokuphepha kokuphila zika-2026, ukufakwa nokuqaliswa kwezipikha ze-horn zangaphandle kumele kulandele izinhlaka eziqinile zokuthobela imithetho elawula ukwakheka, ukuphindaphinda, kanye nokusebenza kwe-acoustic okulinganiselwe.
Ukuklanywa kwezindawo kanye nokwakhiwa kwesistimu
Ukuhlukaniswa kwezindawo okuphumelelayo kuyisisekelo somklamo wohlelo lwe-PA lwezimboni. Izakhiwo kumele zihlelwe ngemephu yezwi futhi zihlukaniswe ngezindawo ezihlukile ngokusekelwe kumaphrofayili omsindo ozungezile kanye nemisebenzi yokusebenza. Iphutha elivamile lokufakwa ukugcwala ngokweqile endaweni engaphandle enezikhulumi ze-horn ezikhomba ngezindlela eziphikisanayo, okudala ukuzwakala okukhulu kwe-acoustic okunezindlela eziningi.
Ukwakheka okufanele kuqondanisa izikhulumi ohlangothini olulodwa, kusetshenziswa amaprosesa okulibazisa edijithali ukuvumelanisa isikhathi sokufika kwegagasi lomsindo kusuka kuzikhulumi ezengeziwe kuze kube sekupheleni komugqa. Ukulibazisa kuvame ukubalwa cishe ngama-millisecond amathathu ngemitha ngayinye yebanga phakathi kwezigxobo zesipika, ukuqinisekisa ukuthi izilaleli zibona ukusakazwa komsindo okukodwa, okuhlangene kunokuba kube yi-echo ephithizelayo.
Izidingo zokuphepha, i-alamu yomlilo, kanye nokukhishwa ngezwi
Uma inethiwekhi yesipikha se-horn yangaphandle isebenza njenge-Voice Alarm (VA) noma uhlelo lwe-Voice Evacuation, kumele ihambisane nezindinganiso zokuphepha empilweni eziqinile njenge-EN 54-24 eYurophu noma i-UL 1480 eNyakatho Melika. Lezi zindinganiso zigunyaza amabhlogo okugcina angashisi, ama-fuse okushisa, kanye nokuhlolwa okuqinile kokusebenza okuqhubekayo ngaphansi kokushisa okukhulu.
Ngaphezu kwalokho, inethiwekhi ye-amplifier kumele ibe nokuqapha okuqhubekayo kwemigqa. Lokhu kufezwa ngokufaka ithoni yomshayeli we-20 kHz engezwakali noma ukulinganisa ukuvinjelwa komugqa we-100V ngesikhathi sangempela ukuze kubikwe ngokushesha amaphutha omhlaba, ama-short circuits, noma izintambo ezinqanyuliwe ku-matrix yokulawula ephakathi, okuqinisekisa ukulungela kohlelo ngesikhathi esiphuthumayo.
Izinyathelo zokuqalisa ukuze kuqondwe kahle
Isigaba sokugcina sokusetshenziswa ukugunyazwa kwe-acoustic, okuqinisekisa ukusebenza kwesistimu uma kuqhathaniswa nezidingo zokuphepha kokuphila. Ukuhlolwa kokulalela okuzimele akusanele ngaphansi kwezinhlaka zomthetho zanamuhla.
Onjiniyela kumele basebenzise abahlaziyi be-acoustic abakhethekile ukuze balinganise i-Speech Transmission Index (STI) noma i-STIPA (Speech Transmission Index for Public Address). Isikali se-STI sisukela ku-0.0 kuya ku-1.0. Ezinhlelweni zokukhipha izwi eziphuthumayo, amazinga omhlaba jikelele ngokuvamile adinga amaphuzu amancane e-STI angu-0.50 kuzo zonke izindawo ezimboziwe, okuqinisekisa ukuthi imiyalelo yezwi iqondakala kahle ngaphezu komsindo ojwayelekile wesikhungo.
Indlela Yokucacisa Nokuthola Izipikha Zezimpondo Zangaphandle
Ukuthola izipikha ze-horn zangaphandle zokuthuthukiswa okukhulu kwezimboni kudinga indlela ehlakaniphile ebheka ngale kwentengo yokuqala yeyunithi. Abaphathi bezikhungo kanye nabahlanganisi bezinhlelo kumele basebenzise indlela ye-Total Cost of Ownership (TCO) ukuqinisekisa ukuthembeka nokuhambisana kwesikhathi eside.
Ukulinganisela izindleko kanye nokusebenza komjikelezo wokuphila
Ukulinganisela izindleko kanye nokusebenza komjikelezo wokuphila kubalulekile ezindaweni zezimboni ezinzima. Nakuba isipikha se-ABS esijwayelekile sezinga lokuhweba singabiza u-$50, i-aindawo eyingozi, uphondo lwe-GRP lwezinga lolwandle lungadlula kalula u-$300 kuya ku-$500 ngeyunithi ngayinye.
Kodwa-ke, ukukhetha iyunithi eshibhile endaweni egqwalisayo ngokungenakugwenywa kuholela ekuhlulekeni okusheshayo. Izindleko zangempela zokushintsha azihlanganisi nje kuphela ihadiwe, kodwa nesikhathi sokungasebenzi, ukwakhiwa kwesikafula, kanye nomsebenzi okhethekile odingekayo ukuze kushintshwe isipikha esifakwe ngamamitha ayi-10 ukuphakama esitshalweni sokucubungula amakhemikhali esisebenzayo. Ukungenelela okunjalo kungabiza kalula ngaphezu kuka-$1,000 ngesigameko ngasinye, okwenza i-CAPEX yokuqala ephezulu yamayunithi ebanga lezimboni ibe ngcono kakhulu esikhathini sokuphila kokusebenza kweminyaka eyi-10.
Ukwakha imatriki yesinqumo somthengi
Ukuze kube lula ukuthenga, amaqembu obunjiniyela kufanele akhe i-matrix ephelele yezinqumo zomthengi. Izici ezibalulekile zokulinganisa kufanele zifake ukusebenza kwe-acoustic (ikhono le-SPL kanye ne-STI), isitifiketi semvelo (isilinganiso se-IP,I-ATEX/IECExkwezindawo eziqhumayo), kanye nokuhambisana kohlelo lwemvelo lomthengisi.
I-supply chain logistics nayo idlala indima ebalulekile ku-matrix. Izipikha ze-horn ezikhethekile kakhulu ezingaqhumi zivame ukuba nezikhathi zokuhola zamasonto angu-8 kuya kwangu-12, okumele zibhekwe endleleni ebalulekile yephrojekthi. Imibandela yewaranti, ngokuvamile esukela onyakeni owodwa kuya kwemihlanu, kanye nokutholakala kwama-diaphragm omshayeli oshintshayo kufanele futhi kube nesisindo esikhulu ukuqinisekisa ukuthi kuhlale kugcinwe kahle.
Isiqondiso sokugcina sencazelo
Ukuqedela imininingwane kudinga ukuhumusha ukumodela kwe-acoustic kanye nezidingo zemvelo zibe yi-Request for Proposal eqinile (RFP). Idokhumenti yemininingwane kumele isho ngokusobala ukuzwela okuncane okwamukelekayo (isb., >105 dB 1W/1m), isilinganiso se-IP esidingekayo, ukucushwa okuqondile kwe-transformer tap, kanye nanoma yiziphi izitifiketi ezidingekayo ezivela eceleni.
Ngokusungula ubuNini be-oda obuncane obuqinile (ama-MOQ) obuhambisana namashejuli okufakwa ngezigaba, kanye nokuphoqelela izindlela eziqinile zokuhlola ukwamukelwa kwefektri (i-FAT), abathengi bangathola ngokuzethemba izikhulumi zangaphandle ezizohlangabezana nezidingo eziqinile zezinhlelo ze-PA zezimboni kuze kube ngu-2026 nangale kwalokho.
Izinto Ezibalulekile Okufanele Uzicabangele
- Khetha izipikha ze-horn zangaphandle ezizwela cishe ku-105–110 dB ku-1W/1m ukuze ugcine ukuqopha okuzwakalayo ezindaweni zezimboni ezinomsindo omkhulu.
- Sebenzisa izipikha ze-industrial horn ezingama-watt angu-30 ezikwazi ukudlula i-120 dB kumitha eli-1 lapho ama-alamu kufanele anqamule umsindo ozungezile ongaphezu kuka-85 dB(A).
- Hlela indawo yesipika ukuze kube nokuxhumana ngezwi okusebenzayo okungamamitha angaba ngu-50 kuya kwangu-150 ngeyunithi ngayinye, bese uqinisekisa imiphumela ngokuhlola i-acoustic.
- Khetha ukusabalala okuncane okufana no-60° x 40° ukuze kufakwe ukujikijela okude kanye nokusabalala okubanzi okufana no-120° x 90° ezindaweni ezibanzi eziseduze.
- Beka phambili izipikha ze-IP/SIP kanye ne-PoE+ zokuthuthukiswa kuka-2026 ukuze kuvunyelwe ukuhlukaniswa kwezindawo, ukuqapha impilo ekude, ukuhlanganiswa kwe-VoIP, kanye nokusakazwa okuvumelanisiwe.
imibuzo ejwayelekile ukubuzwa
Kungani izikhulumi ze-horn zangaphandle zibalulekile ezinhlelweni ze-PA zezimboni?
Izipikha ze-horn zangaphandle ziveza ama-alamu ezwi acacile futhi zivula amakhasi ezindaweni zezimboni ezinomsindo nezivulekile. Ukusebenza kwazo kahle kusiza ukunqoba umsindo ozungezile ongaphezu kuka-85 dB(A), okwenza zibe zibalulekile ezimemezelweni zokuphepha, izaziso zokuphuma, kanye nemisebenzi ejwayelekile.
Yisiphi i-SPL okufanele isipikha se-horn yangaphandle yezimboni siyihlinzeke?
Izipikha eziningi ze-horn zezimboni zinikeza ukuzwela okucishe kube yi-105–110 dB ku-1W/1m, kuyilapho imodeli yama-watt angu-30 ingadlula i-120 dB kumitha eli-1. I-SPL efanele incike emsindweni wendawo, ibanga, kanye nokuzwakala kwezwi okudingekayo.
Isikhulumi se-horn yangaphandle singasimboza kude kangakanani?
Kuye ngamandla, ukuphakama kokukhweza, i-engeli yokuhlakazeka, nomsindo wendawo, isikhulumi esisodwa se-horn yezimboni singase sisekele ukumbozwa kwezwi okuzwakalayo cishe kumamitha angu-50 kuya kwangu-150. Kunconywa ukuhlola i-acoustic yendawo ukuze kubekwe kahle.
Ingabe izipikha ze-IP noma ze-PoE zingcono ekuthuthukisweni kwe-PA ka-2026?
Ngokwakhiwa okusha nokulungiswa kabusha, izipikha ze-IP/SIP kanye ne-PoE+ zinikeza ukuhlukaniswa okulula, ukuqapha okukude, ukuhlanganiswa kwe-VoIP, kanye nezimemezelo ezivumelaniswe ngokubambezeleka okuphansi uma kuqhathaniswa nezinhlelo eziningi ze-analog daisy-chain ezindala.
Iyiphi i-engeli yokusabalala okufanele ngiyikhethele isikhulumi se-horn sangaphandle?
Sebenzisa ukusabalala okuncane, njengo-60° x 40°, ukuze umboze isikhathi eside emigwaqweni, emagcekeni, noma ezindaweni zokucubungula. Sebenzisa ukusabalala okubanzi, njengo-120° x 90°, lapho ukusabalala okubanzi okuseduze kubaluleke kakhulu kunebanga.
Isikhathi sokuthunyelwe: Juni-24-2026