LECTROSONICS IFBT4-VHF zaus-Agile Compact IFB Transmitter

Taw qhia

Qhov no version ntawm IFB "chaw nres tsheb hauv paus" transmitter ua haujlwm hauv TV tshaj tawm hauv xov tooj cua los ntawm 174 txog 216 MHz (US TV channel 7 txog 13). Nws yuav qhib rau tag nrho cov qhab, yog li cov frequencies meej tuaj yeem pom yuav luag txhua qhov chaw.
Lub VHF spectrum tsis tau cuam tshuam los ntawm spectrum auctions thiab rov ntim ntau npaum li UHF spectrum, yog li lub tswv yim tom qab tsim cov khoom no yog ua haujlwm IFB system hauv VHF band thiab tso chaw rau wireless microphones hauv UHF band. . IFBT4 nta cov duab-hom backlit LCD zaub nrog cov ntawv qhia zaub mov zoo ib yam li cov uas tau muab rau ntawm lwm cov Lectrosonics txais. Lub interface tuaj yeem raug xauv los tiv thaiv tus neeg siv los ntawm kev hloov pauv txhua qhov chaw tab sis tseem tso cai rau kev tshawb nrhiav cov chaw tam sim no. Chav tsev tuaj yeem siv hluav taws xob los ntawm ib qho DC sab nraud ntawm 6 txog 18 Volts ntawm 200 mA lossis los ntawm qhov muab 12 Volt fais fab mov nrog lub xauv fais fab txuas. Lub hwj chim-er inlet muaj ib qho kev rov pib dua tus kheej fuse thiab thim rov qab tiv thaiv polarity. Lub tsev yog tsim los ntawm machined aluminium extrusion nrog ib tug check electrostatic hmoov txheej. Pem hauv ntej thiab nram qab panels yog machined txhuas nrog ib tug anodized tiav thiab laser-etched engraving. Cov kav hlau txais xov suav nrog yog lub kaum sab xis, ¼ wavelength nplawm nrog BNC txuas.

Suab Input Interface

Tus qauv 3 tus pin XLR txuas rau ntawm lub vaj huam sib luag tom qab tuav tag nrho cov suab nkag. Plaub lub DIP keyboards tso cai rau kev teeb tsa kev nkag siab zoo rau qib qis, xws li mi-crophone inputs, lossis rau cov kab nkag siab, sib npaug lossis tsis sib npaug. Cov keyboards kuj tseem muaj cov chaw tshwj xeeb los muab cov tswv yim tsim nyog kom phim rau Clear Com, RTS1, thiab RTS2 intercom systems. Pin 1 ntawm XLR input connector yog ib txwm txuas nrog hauv av tab sis ib lub jumper sab hauv tuaj yeem txav tau yog tias xav tau ib qho kev tawm tswv yim ntab. Phantom muab microphones tuaj yeem txuas nrog yam tsis tas yuav tsum muaj kev sib cais DC ntawm cov khoom siv ntawm lub transmitter. Ib tus neeg siv xaiv qhov tsawg zaus yob-tawm tuaj yeem teem caij rau 35 Hz lossis 50 Hz raws li xav tau los txhawm rau txo qis zaus suab nrov lossis txuas ntxiv cov lus teb ntau zaus.

DSP-tswj Input Limiter

Lub transmitter ntiav ib tug digitally-tswj analog suab limiter ua ntej lub analog-rau-digital converter. Lub limiter muaj ntau dua 30 dB rau kev tiv thaiv zoo tshaj. Ib lub hnab ntawv tso tawm dual ua rau lub limiter acoustic pob tshab thaum tuav qis distortion. Nws tuaj yeem xav tias yog ob qhov txwv-ers hauv koob, txuas nrog nrawm nrawm thiab tso tawm limiter ua raws li kev tawm tsam qeeb thiab tso tawm limiter. Lub limiter rov qab tau sai sai los ntawm cov sijhawm luv luv, yog li nws qhov kev txiav txim tau muab zais los ntawm tus mloog, tab sis rov qab maj mam los ntawm cov qib siab kom ua kom lub suab tsis sib haum thiab khaws cia luv luv dynamic hloov hauv lub suab.

Digital Hybrid Wireless® Technology

Cov kab ke sib xyaw ua ke siv cov khoom sib txuas rau kev ua kom muaj zog ntau ntxiv, ntawm tus nqi ntawm cov khoom siv hloov maj mam (paub tias "tswj" thiab "ua pa"). Tag nrho cov digital sys-tems kov yeej lub suab nrov los ntawm kev xa cov ntaub ntawv audio hauv daim ntawv digital, ntawm tus nqi ntawm qee qhov kev sib txuas ntawm lub zog, bandwidth thiab tiv thaiv kev cuam tshuam.
Lectrosonics Digital Hybrid Wireless® cov tshuab dhau los ntawm lub suab nrov hauv txoj kev tshiab, digitally encoding lub suab hauv lub transmitter thiab txiav txim siab rau hauv lub receiver, tseem tseem xa cov ntaub ntawv encoded los ntawm analog FM wireless txuas. Cov tswv cuab ntawm cov txheej txheem no tsis yog kev siv digital ntawm kev ua lag luam analog tab sis cov txheej txheem uas tuaj yeem ua tiav hauv cov npe digital, txawm tias cov khoom siv thiab cov khoom tawm yog analog.
Cov suab nrov channel tseem cuam tshuam tau txais cov teeb liab zoo thiab yuav dhau los ua tus neeg txais. Digital Hybrid Wireless® tsuas yog encodes lub teeb liab kom siv lub suab nrov raws li qhov ua tau zoo thiab muaj zog raws li qhov ua tau, tawm suab-kev ua tau zoo uas sib tw ntawm cov tshuab digital tag nrho, tsis muaj lub zog thiab teeb meem bandwidth muaj nyob hauv kev xa xov digital.
Vim tias nws siv ib qho analog FM txuas, Digital Hybrid Wireless® txaus siab rau txhua yam txiaj ntsig ntawm FM wireless systems, xws li ntau yam zoo, siv tau zoo ntawm RF spectrum, thiab tiv thaiv kev cuam tshuam. Txawm li cas los xij, tsis zoo li cov kab ke FM, nws tawm mus nrog analog compandor thiab nws cov khoom qub.

Kev ua suab paj nruag

Lectrosonics IFB systems siv ib qho band compan-dor thiab pre-emphasis/de-emphasis kom txo suab nrov. Cov teeb liab ua tiav no yog tsim thiab siv los ntawm DSP kom raug thiab huv si ntawm cov teeb liab dynamics. Lub DSP tseem muab lub peev xwm los siv cov kev sib raug zoo rau kev siv nrog lwm cov khoom siv wireless hauv VHF spectrum uas yuav tuaj nrog rau yav tom ntej.

Pilot Tone Squelch System

Lectrosonics IFB systems siv lub suab hu ua "pilot tone" los tswj cov kev ua si hauv lub receiver. Lub teeb liab RF siv tau yuav suav nrog tus tsav los qhia lub suab tso tawm kom qhib. Txawm tias muaj zog cuam tshuam rau tib zaus tsis tuaj yeem qhib lub suab tso tawm yog tias lub suab nrov tsis tuaj. Thaum lub sijhawm ua haujlwm ib txwm muaj, tus neeg txais IFB yuav mloog cov suab nrov nrov, nyob twj ywm (squelched) kom txog thaum kuaj pom lub suab nrov. Lub suab nrov yog nyob zoo tshaj lub suab zaus thiab tsis dhau mus rau lub receiver lub suab tso zis.

Zaus Agility

Lub IFBT4 transmitter siv cov khoom sib txuas, zaus xaiv lub ntsiab oscillator. Qhov zaus yog qhov ruaj khov tshaj qhov kub thiab txias ntau dhau sijhawm. Lub transmitter tus qauv tuning ntau yam npog 239 zaus ntawm 174 mus rau 216 MHz hauv 175 kHz kauj ruam. txhawm rau txo cov teeb meem cuam tshuam hauv kev siv mobile.

Fais Fab Sij Hawm

Thaum lub hwj chim ntawm lub transmitter rau thiab tawm, thiab thaum hloov ntawm XMIT thiab TUNE hom, kev txawj ntse-ligent circuitry ntxiv qeeb qeeb thiaj li tso cai rau lub sijhawm rau circuits kom ruaj khov, ob qho tib si hauv zos thiab hauv qhov sib tw txais. Cov kev ncua no tiv thaiv clicks, thumps thiab lwm yam suab nrov hauv lub suab.

Microcontroller

Lub microcontroller saib xyuas cov haujlwm feem ntau, suav nrog RF zaus thiab cov zis, DSP suab ua haujlwm, cov nyees khawm thiab tso saib, thiab lwm yam. Cov neeg siv kev teeb tsa tau muab khaws cia rau hauv lub cim xeeb uas tsis muaj qhov tsis sib xws, yog li lawv khaws cia txawm tias lub zog raug kaw.

Transmitter

Lub transmitter ua haujlwm ntawm qhov siab tshaj plaws uas tso cai rau RF lub zog los xyuas kom meej lub teeb liab huv si tsis muaj kev poob thiab suab nrov. Tag nrho cov transmitter circuits yog buffered thiab lim kom zoo spectral purity. Lub teeb liab kis tau zoo yuav txo tau txoj hauv kev cuam tshuam hauv ntau qhov kev teeb tsa transmitter.

Kav hlau txais xov Chaw nres nkoj

50 Ohm BNC tso zis connector yuav ua hauj lwm nrog stan-dard coaxial cabling thiab tej thaj chaw deb kav hlau txais xov.

Pem hauv ntej vaj huam sib luag tswj thiab muaj nuj nqi

• OFF/TUNE/XMIT Hloov
  • OFF Tig lub unit tawm.
    TUNE Tso cai rau txhua txoj haujlwm ntawm lub tshuab xa hluav taws xob teeb tsa, tsis tas yuav kis. Kev khiav hauj lwm zaus tsuas yog xaiv tau hauv hom no.
  • XMIT Ib txwm ua haujlwm txoj haujlwm. Kev khiav hauj lwm zaus yuav tsis raug hloov hauv hom no, txawm tias lwm qhov chaw yuav raug hloov, tsuav yog lub tsev tsis "Xauv."
• Fais fab tuag tu tuav Thaum lub hwj chim qhib thawj zaug, lub vaj huam sib luag pem hauv ntej LCD zaub cov kauj ruam los ntawm cov kab hauv qab no.
  • Qhia cov qauv thiab cov firmware version (xws li IFBT4VHF thiab V1.0).
  • Qhia txog qhov teeb tsa kev sib raug zoo tam sim no (xws li COMPAT IFB).
  • Qhia qhov rais Main.
• Qhov rai Main Lub qhov rais loj yog dominated los ntawm lub ntsuas suab, uas qhia txog qib suab hloov kho tam sim no hauv lub sijhawm. Nyob rau hauv TUNE hom, lub blinking peev "T" yog tso tawm nyob rau hauv qis-sab laug ces kaum kom nco ntsoov tus neeg siv hais tias lub tsev tseem tsis tau kis. Hauv XMIT hom, lub ntsais muag "T" yog hloov los ntawm tus kav hlau txais xov icon. Kev txwv suab yog qhia thaum lub suab kab lus txuas mus rau sab xis thiab nthuav dav me ntsis. Clipping yog qhia thaum tus xoom nyob rau hauv qis sab xis ces kaum hloov mus rau lub peev "C". Cov nyees khawm nce thiab nqis yog neeg xiam nyob rau hauv qhov rai no.
• Qhov rai zaus Nias lub MENU khawm ib zaug los ntawm Main qhov rais navigates mus rau lub qhov rais zaus. Lub qhov rais zaus qhia txog qhov kev khiav hauj lwm zaus tam sim no hauv MHz, nrog rau tus qauv Lectrosonics hex code. Tsis tas li ntawd tso tawm yog UHF TV channel uas cov zaus xaiv yog. Hauv XMIT hom, nws tsis tuaj yeem hloov qhov kev ua haujlwm zaus. Hauv TUNE hom, cov khawm nce thiab nqis yuav raug siv los xaiv qhov zaus tshiab. Cov nyees khawm UP thiab down navigate hauv 175 kHz increments. Tuav lub MENU butto + Up thiab MENU + Down txav 2.8 MHz ib zaug. Nyob rau hauv ib qho ntawm ntau pab pawg tun-ing hom, tam sim no xaiv pab pawg neeg txheeb xyuas tau tshwm sim rau sab laug ntawm hex code, thiab cov khawm nce thiab nqis taw qhia ntawm cov zaus hauv pab pawg. Nyob rau hauv pab pawg neeg tuning hom A mus txog D, MENU + Up thiab MENU + Down dhia mus rau qhov siab tshaj plaws thiab qis tshaj zaus hauv pab pawg. Hauv cov neeg siv pab pawg tu hom U thiab V, MENU + Up thiab MENU + Down tso cai nkag mus rau ntau zaus tsis nyob hauv pab pawg. Nias thiab tuav lub Up lossis Down khawm invokes ib qho autorepeat muaj nuj nqi, kom ceev tuning.
• Audio Input Gain Qhov rai Nias lub MENU khawm ib zaug los ntawm lub qhov rais zaus navigates rau lub qhov rais Audio Input Gain. Lub qhov rais no zoo ib yam li lub Main qhov rais, nrog rau qhov tshwj xeeb uas tam sim no lub suab input nce qhov chaw yog tso tawm nyob rau hauv sab sauv ces kaum. Cov khawm nce thiab nqis tuaj yeem siv los hloov qhov chaw thaum nyeem lub sijhawm tiag tiag audiometer los txiav txim seb qhov chaw ua haujlwm zoo tshaj plaws. Qhov nce ntau yog -18 dB txog +24 dB nrog 0 dB nominal center. Kev siv rau kev tswj hwm no tuaj yeem hloov pauv nrog lub vaj huam sib luag tom qab MODE keyboards. Saib ntu Kev teeb tsa thiab Kev Ua Haujlwm kom paub ntau ntxiv ntawm MODE keyboards.
• Teeb qhov rai Nias lub MENU khawm ib zaug los ntawm Lub Suab Input Gain qhov rais navigates rau lub qhov rais teeb. Lub qhov rais no muab kev nkag mus rau cov ntawv qhia zaub mov rau ntau qhov kev teeb tsa.
  Thaum pib, cov khoom noj khoom haus nquag yog EXIT. Nias lub Up thiab Down yuam sij tso cai navigation rau cov ntawv qhia zaub mov: COMPAT thiab ROLLOFF. Nias lub MENU khawm xaiv cov ntawv qhia zaub mov tam sim no. Xaiv EXIT navigates rov qab mus rau qhov rais Main. Xaiv lwm yam khoom navigates rau qhov kev teeb tsa cuam tshuam.
• ROLL OFF Teeb Qhov screen Lub ROLLOFF teeb lub vijtsam tswj cov lus teb tsawg zaus ntawm IFBT4 los ntawm kev txav 3 dB ces kaum ntawm 4 ncej lowpass digital lim. 50 Hz teeb tsa yog lub neej ntawd, thiab yuav tsum tau siv thaum twg muaj suab nrov cua, HVAC rumble, suab nrov lossis lwm lub suab qis tuaj yeem ua rau lub suab tsis zoo. Kev teeb tsa 35 Hz tuaj yeem siv thaum tsis muaj cov xwm txheej tsis zoo, rau cov lus teb bass thaj tsam puv. Nias MENU kom rov qab mus rau lub qhov rais teeb tsa.
• COMPAT Teeb Screen Lub vijtsam teeb tsa COMPAT xaiv hom kev sib raug zoo tam sim no, rau kev cuam tshuam nrog ntau hom kev txais. Cov qauv muaj yog:
  • US Nu Hybrid - Hom no muaj lub suab zoo tshaj plaws thiab pom zoo yog tias koj lub receiver txhawb nqa nws.
  • IB – Lectrosonics IFB compatibility hom. Qhov no yog qhov chaw teeb tsa thiab yog qhov chaw tsim nyog siv nrog Lectrosonics IFBR1A lossis IFB txais tau tshaj.
    CEEB TOOM: Yog tias koj lub tshuab txais Lectrosonics tsis muaj Nu Hybrid hom, siv Euro Digital Hybrid Wireless® (EU Dig. Hybrid).
  • E01, X IB – Lectrosonics IFB compatibility hom. Qhov no yog qhov chaw teeb tsa thiab yog qhov chaw tsim nyog siv nrog Lectrosonics IFBR1A lossis IFB txais tau tshaj.
• HBR – Digital Hybrid Hom. Hom no muaj lub suab zoo tshaj plaws thiab pom zoo yog tias koj lub receiver txhawb nqa nws. Nias MENU kom rov qab mus rau lub qhov rais teeb tsa.
• Xauv / Xauv Vaj Huam Sib Luag Khawm Txhawm rau qhib lossis lov tes taw cov khawm tswj vaj huam sib luag, mus rau Main Window thiab nias thiab tuav lub MENU khawm li 4 vib nas this. Txuas ntxiv tuav lub pob raws li qhov kev nce qib txuas ntxiv hla lub LCD. Thaum lub bar mus txog rau sab xis ntawm lub vijtsam, lub tsev yuav toggle mus rau qhov rov qab xauv los yog xauv hom.

Sab nraum qab vaj huam sib luag tswj thiab ua haujlwm

IFBT4-VHF rear vaj huam sib luag

XLR Jack Tus qauv XLR poj niam jack lees txais ntau yam ntawm cov tswv yim nyob ntawm qhov chaw ntawm lub vaj huam sib luag nram qab MODE keyboards. XLR tus pin ua haujlwm tuaj yeem hloov pauv kom haum rau lub hauv paus nyob ntawm txoj haujlwm ntawm cov kev hloov hauv ib leeg. Rau cov ncauj lus kom ntxaws txog kev teeb tsa ntawm cov keyboards no saib hauv ntu Kev teeb tsa thiab Kev Ua Haujlwm.

Fais fab Input Connector IFBT4 yog tsim los siv nrog CH20 sab nraud (lossis sib npaug) lub zog. Nominal voltage los ua haujlwm ntawm chav tsev yog 12 VDC, txawm hais tias nws yuav ua haujlwm ntawm voltages tsawg li 6 VDC thiab siab li 18 VDC. Cov khoom siv hluav taws xob sab nraud yuav tsum muaj peev xwm muab 200 mA tsis tu ncua. Cov connector qhov ntev yog qhia hauv qab no. Lectro-sonic P/N 21425 muaj lub plhaub ncaj nraim. P / N 21586 muaj lub dab tshos xauv.

Input Configuration (Mode Switches) Lub MODE keyboards tso cai rau IFBT4 kom haum rau ntau yam ntawm cov tswv yim los ntawm kev hloov cov tswv yim rhiab heev thiab tus pin ua haujlwm ntawm cov tswv yim XLR jack. Kos rau ntawm lub vaj huam sib luag nram qab yog cov txheej txheem ntau tshaj plaws. Txhua qhov teeb tsa tau piav qhia hauv qab no. Hloov 1 thiab 2 kho cov XLR tus pin ua haujlwm thaum hloov 3 thiab 4 kho cov tswv yim rhiab heev.

Kev teeb tsa thiab kev ua haujlwm

1. IFBT4 transmitter yog xa nrog tus pin 1 ntawm XLR input connector khi ncaj qha rau hauv av. Yog xav tau ib lub tswv yim floating, ib qho av Lift Jumper yog muab. Lub jumper no nyob hauv chav tsev ntawm lub PC board ze ntawm lub vaj huam sib luag tom qab XLR jack. Rau cov tswv yim ntab, qhib chav tsev thiab txav av Lift Jumper mus rau sab nraud.
2. Teem lub MODE keyboards ntawm lub vaj huam sib luag nram qab kom phim cov tswv yim tshwj xeeb uas yuav tsum tau siv. Saib Input Configuration (Mode Switches).
3. Ntxig lub hwj chim ntsaws rau hauv 6-18 VDC jack ntawm lub vaj huam sib luag tom qab.
4. Ntxig lub microphone lossis lwm lub suab hauv XLR ntsaws rau hauv lub qhov tso zis. Xyuas kom tseeb tias cov pins raug sib dhos thiab cov khoom txuas txuas rau hauv qhov chaw.
5.  Txuas lub kav hlau txais xov (los yog kav hlau txais xov cable) rau BNC connector ntawm lub vaj huam sib luag nram qab.
6. Teem lub OFF/TUNE/XMIT hloov mus rau TUNE.
7. Nias lub MENU khawm kom tso saib lub Qhov rai Zaus thiab kho lub transmitter mus rau qhov xav tau zaus nrog rau pem hauv ntej vaj huam sib luag Up thiab Down but-tons.
8. Tso lub microphone. Lub microphone yuav tsum tau muab tso rau qhov chaw nws yuav nyob thaum siv tiag tiag.
9. Siv lub MENU khawm kom taug qab mus rau Lub Suab Input Gain Window. Thaum hais lus ntawm tib lub suab uas yuav tshwm sim thaum siv tiag tiag, saib xyuas lub ntsuas suab. Siv cov nyees khawm nce thiab nqis los kho lub suab tawm tswv yim kom lub ntsuas ntsuas tau ze rau 0 dB, tab sis tsuas yog tsis tshua muaj tshaj 0 dB ( txwv).
10. Thaum lub transmitter suab nce tau raug teeb tsa, lub receiver thiab lwm yam khoom ntawm lub kaw lus tuaj yeem qhib thiab lawv cov suab hloov kho. Teem lub hwj chim hloov ntawm IFBT4 transmitter rau XMIT thiab kho qhov cuam tshuam cov receiver thiab suab kaw lus raws li xav tau.

Nco tseg: Yuav muaj kev ncua ntawm lub sijhawm lub transmitter muaj zog thiab qhov tshwm sim ntawm lub suab ntawm lub receiver tso zis. Qhov no txhob txwm ncua ncua tshem tawm tig-on thumps, thiab yog tswj los ntawm tus tsav lub suab squelch system.

Kho suab nkag qib

Lub AUDIO LEVEL tswj tau kho qhov nce ntxiv rau lub suab tawm suab. Qhov kev nce qib no yog siv los ua kom haum rau qib nkag mus rau lub teeb liab los ntawm lub suab los muab kev hloov pauv tag nrho thiab qhov siab tshaj plaws rau lub suab nrov piv, tsis yog los teeb tsa lub ntim ntawm cov khoom sib txuas. Yog hais tias lub suab siab dhau lawm, compression los yog distortion yuav tshwm sim. Lub ntsuas suab yuav ncav cuag 0 dB qib (tag nrho teev) nquag lossis nyob twj ywm qhia tag nrho. Input limiting pib thaum ib kab ntsug tshwm nyob rau sab xis kawg ntawm qhov taw qhia theem.

Yog hais tias lub suab qis dhau lawm, lub ntsuas suab yuav tsis tu ncua qhia txog qib qis. Tus mob no yuav ua rau muaj suab nrov hauv lub suab, lossis nqus thiab ua pa hauv lub suab nrov tom qab.

Lub input limiter yuav tswj qhov siab txog li 30 dB saum toj no tag nrho cov kev hloov kho, tsis hais qhov nce kev tswj qhov chaw. Kev txwv qee zaus feem ntau suav tias yog qhov xav tau, qhia tias qhov nce tau raug teeb tsa thiab lub transmitter tau hloov kho tag nrho rau qhov zoo tshaj plaws rau lub suab nrov piv. Cov suab sib txawv feem ntau yuav xav tau qhov sib txawv ntawm lub suab nkag, yog li xyuas qhov kev hloov kho no raws li txhua tus neeg siv qhov system. Yog tias ob peb tus neeg sib txawv yuav siv lub transmitter thiab tsis muaj sijhawm los hloov kho rau txhua tus neeg, kho nws kom nrov nrov.

Cov khoom siv

• DCR12/A5U AC fais fab mov rau IFBT4 transmitters; 100-240 V, 50/60 Hz, 0.3 A input, 12 VDC tswj cov zis; 7-ko taw qaum nrog LZR threaded locking plug thiab interchangeable blades / posts siv nyob rau hauv Teb chaws Europe, UK, Australia thiab USA.
• A170 AC VHF ncaj nplawm kav hlau txais xov; txoj cai kaum BNC connector
• TIAB SA 15 Ib tug 15-ko taw kav hlau txais xov cable ntawm tus qauv RG-58 coax cable nrog BNC connectors ntawm txhua kawg. Poob ntawm 1 mus rau 2 dB nrog 0.25 "inch.
• ARG25/ARG50/ARG100 Ib lub kav hlau txais xov ntawm Belden 9913F low-loss coax cable nrog BNC connectors ntawm txhua qhov kawg. Ob chav shielded, hloov tau, 50 Ohms, nrog foamed polyethylene dielectric. Kev poob qis (1.6 txog 2.3 dB) nrog me ntsis qhov hnyav dua li tus qauv RG-8 nrog tib 0.400 "inch. Muaj nyob rau hauv 25, 50 thiab 100-foot lengths.
• CCMINI Ib tug mos-sided, padded thiab zippered nqa cov ntaub ntawv rau compact wireless systems.
• RWM 195 4 channel khib mount rau txog plaub IFBT4 transmitters. Rocker hloov nrog ua haujlwm raws li tus tswv fais fab hloov yog xav tau.
• 21425 6 ft. ntev zog qaum; coaxial rau stripped & tinned leads. Coaxial plug: ID-.080 "; OD-.218"; Qhov tob - .5 ". Haum rau txhua tus qauv txais kev cog lus uas siv lub zog CH12.
• 21472 6 ft. ntev zog qaum; coaxial rau stripped & tinned leads. Lub kaum sab xis coaxial ntsaws: ID-.075 "; OD-.218"; Qhov tob - .375 ". Haum rau txhua tus qauv txais kev cog lus uas siv lub zog CH12.
• 21586 DC16A Pigtail fais fab cable, LZR stripped & tinned.

Kev daws teeb meem

CEEB TOOM: Nco ntsoov xyuas kom meej tias COMPAT (kev sib haum xeeb) kev teeb tsa yog tib yam ntawm ob qho tib si transmitter thiab receiver. Ntau yam tsos mob sib txawv yuav tshwm sim yog tias qhov chaw tsis sib xws.

Symptom: / Possible Cause: 

Display Blank	1)	Sab nraud fais fab mov disconnected los yog tsis txaus.
	2)	Sab nraud DC lub zog tawm tswv yim yog tiv thaiv los ntawm kev pib rov pib dua polyfuse. Tshem tawm lub hwj chim thiab tos li 1 feeb kom lub fuse rov pib dua.
Tsis muaj Transmitter Modulation	1)	Suab input nce qhov teeb tsa tau tig tag nrho.
	2)	Lub suab tawm los yog ua haujlwm tsis zoo.
	3)	Input cable puas los yog mis-wired.
Tsis Tau Txais Teeb Meem	1)	Transmitter tsis qhib.
	2)	Lub receiver kav hlau txais xov uas ploj lawm los yog qhov chaw tsis raug. (Lub IFBR1 / IFBR1a headset cable yog lub kav hlau txais xov.)
	3)	Transmitter thiab receiver tsis nyob rau tib zaus. Xyuas ntawm transmitter thiab receiver.
	4)	Kev khiav hauj lwm ntau dhau lawm.
	5)	Transmitter kav hlau txais xov tsis txuas.
	6)	Transmitter hloov hauv TUNE txoj haujlwm. Hloov mus rau XMIT hom.
Tsis muaj suab nrov (los yog suab qis), thiab lub receiver yog powered rau.
	1)	Tus neeg txais cov zis theem tau teeb tsa qis dhau.
	2)	Lub receiver earphone cable puas lawm los yog mis-wired.
	3)	Lub suab kaw lus lossis lub tshuab xa hluav taws xob tso tawm raug muab tso tseg.
Distorted Suab	1)	Transmitter nce (qib suab) siab dhau lawm. Xyuas lub ntsuas suab ntawm lub tshuab xa hluav taws xob raws li nws tau siv. (Saib rau ntu Kev Txhim Kho & Kev Ua Haujlwm kom paub meej txog kev nce qib.)
	2)	Lub receiver tso zis tej zaum yuav mismatched nrog lub mloog pob ntseg los yog earphone. Kho cov zis theem ntawm lub receiver mus rau theem tseeb rau lub mloog pob ntseg lossis lub mloog pob ntseg.
	3)	Tshaj cua nrov lossis ua pa "pops." Reposition microphone thiab/lossis siv lub tshuab cua loj dua.
Ntshai, Suab nrov, lossis Audible Dropouts	1)	Transmitter nce (qib suab) deb dhau lawm.
	2)	Lub receiver kav hlau txais xov ploj lawm los yog obstructed. (Lub IFBR1 / IFBR1a headset cable yog lub kav hlau txais xov.)
	3)	Transmitter kav hlau txais xov ploj lawm los yog mismatched. Xyuas kom tseeb tias tus kav hlau txais xov raug siv.
	4)	Kev khiav hauj lwm ntau dhau heev lawm.
	5)	Cov kav hlau txais xov tej thaj chaw deb puas los yog cable.

Specifications

• Kev khiav hauj lwm zaus (MHz): Muaj Zaus: Channel Spacing:  174.100 rau 215.750 MHz
• Cov fais fab RF tso zis: 239
• Pilot tone: 175 kHz
• Spurious Radiation: 50 mW
• Modulation: US: 25 txog 32 kHz; 3.5 kHz sib txawv (hauv Nu Hybrid hom)
  • E01, X: 29.997 kHz IFB & 400 hom; txhua zaus muaj ib lub suab pilot tshwj xeeb
  • Teb Chaws Asmeskas: Ua raws ETSI EN 300 422-1 v1.4.2 E01: Digital Hybrid Hom
  • Ua raws li ETSI EN 300 422-2
• Frequency Stability:  ±.001% (10 ppm) @ 25 ° C
• Temperature Stability: ±.001% (10 ppm) ntawm -30 ° C txog + 50 ° C
• Kev xaiv Channel: Momentary pushbutton keyboards, qhib thiab nqis
• Compatibility hom:  US: IFB thiab Nu Hybrid E01, X: IFB thiab Digital Hybrid Wireless® (400 Series)
• Suab zaus teb: Teb Chaws Asmeskas:
  •  IFB Hom: 100 Hz txog 8 kHz, ± 1 dB
  • Nu Hybrid Hom: 30Hz txog 20kHz ± 1dB teb (saib Rolloff)
  • E01, X: IFB Hom: 100 Hz txog 8 kHz, ± 1 dB
  • Digital Hybrid Hom: 30Hz txog 20kHz ± 1dB teb (saib Rolloff)
• Rolloff: Tsawg zaus suab rolloff yog cov ntawv qhia zaub mov xaiv rau 3 dB down ntawm 35 Hz lossis 50 Hz. 50 ohm
• Cov zis impedance:  dBu rau Kab, RTS1 & RTS2 -10 dBu rau Clear Com
• Audio Input Levels:  -42 dBu rau mic qhuav inputs (tsis muaj phantom zog) +/- 50Vdc max

Tshaj Tawm Txog Kev Ua Raws Cai

Kev Pabcuam thiab Kho

Yog tias koj lub cev ua haujlwm tsis zoo, koj yuav tsum sim kho lossis cais qhov teeb meem ua ntej xaus tias cov cuab yeej xav tau kho. Nco ntsoov tias koj tau ua raws li cov txheej txheem teeb tsa thiab cov lus qhia ua haujlwm. Txheeb xyuas cov kev sib txuas ntawm cov cables thiab tom qab ntawd mus rau ntu Kev daws teeb meem hauv phau ntawv no.
Peb xav kom koj tsis txhob sim kho cov cuab yeej ntawm koj tus kheej thiab tsis txhob muaj lub khw kho mob hauv zos sim ua lwm yam tshaj li qhov kev kho yooj yim tshaj plaws. Yog tias qhov kev kho yog qhov nyuaj tshaj li qhov tawg ntawm cov hlau tsis muaj kev sib txuas los yog xoob, xa lub tsev mus rau lub Hoobkas rau kev kho thiab kev pabcuam. Tsis txhob sim kho tej yam kev tswj hauv chav nyob. Ib zaug teem rau ntawm lub Hoobkas, ntau yam kev tswj thiab trimmers tsis drift nrog lub hnub nyoog los yog kev co thiab yeej tsis xav tau kev hloov kho. Tsis muaj kev hloov kho nyob rau hauv uas yuav ua rau lub malfunctioning unit pib ua hauj lwm.
LECTROSONICS Lub Tsev Haujlwm Saib Xyuas Kev Pabcuam tau nruab thiab muaj cov neeg ua haujlwm los kho koj cov khoom siv sai sai. Hauv kev lav phib xaub, kev kho yog ua tsis tau them nqi raws li cov lus cog tseg. Kev kho tsis muaj kev lav phib xaub raug them ntawm tus nqi qis qis ntxiv rau qhov chaw thiab xa khoom. Txij li thaum nws yuav siv sij hawm ntau npaum li lub sij hawm thiab kev rau siab los txiav txim seb qhov twg yog qhov tsis raug raws li nws ua los kho, nws muaj nqi rau cov lus qhia meej. Peb yuav zoo siab los hais kwv yees tus nqi hauv xov tooj rau kev kho tsis tau lav.

Rov qab Chav Tsev rau Kho

• TSIS TXHOB xa cov khoom siv rov qab mus rau lub Hoobkas kho yam tsis tau tiv tauj peb ntawm email lossis hauv xov tooj. Peb xav tau
  kom paub qhov xwm txheej ntawm qhov teeb meem, tus qauv naj npawb, thiab tus lej xov tooj ntawm cov khoom siv. Peb kuj xav tau tus xov tooj uas koj tuaj yeem hu tau thaum 8 teev sawv ntxov txog 4 teev tsaus ntuj (Tebchaws Asmeskas Lub Sijhawm Roob).
• Tom qab tau txais koj qhov kev thov, peb yuav muab koj daim ntawv tso cai rov qab (RA). Tus lej no yuav pab kho koj sai sai ntawm peb lub chaw txais thiab kho. Tus lej tso cai rov qab yuav tsum tau qhia meej meej nyob rau sab nraud ntawm lub thawv xa khoom.
• Ntim cov khoom kom zoo thiab xa tuaj rau peb, shipping nqi them ua ntej. Yog tias tsim nyog, peb tuaj yeem muab cov khoom ntim khoom tsim nyog rau koj. UPS feem ntau yog txoj hauv kev zoo tshaj plaws los thauj cov chav nyob. Cov chav hnyav hnyav yuav tsum yog "ob lub thawv" rau kev thauj mus los nyab xeeb.
• Peb kuj xav kom koj ua pov thawj cov cuab yeej vim peb tsis tuaj yeem lav qhov kev poob lossis kev puas tsuaj rau cov khoom uas koj xa khoom. Tau kawg, peb xyuas cov khoom siv thaum peb xa rov qab rau koj.

Cov ntaub ntawv / Cov ntaub ntawv

	LECTROSONICS IFBT4-VHF zaus-Agile Compact IFB Transmitter [ua pdf] Phau ntawv qhia IFBT4-VHF Frequency-Agile Compact IFB Transmitter, IFBT4-VHF zaus-Agile Compact IFB Transmitter
	LECTROSONICS IFBT4-VHF zaus Agile Compact IFB Transmitter [ua pdf] Phau ntawv qhia IFBT4-VHF, IFBT4-VHF zaus Agile Compact IFB Transmitter, Frequency Agile Compact IFB Transmitter, Agile Compact IFB Transmitter, Compact IFB Transmitter, Transmitter

Cov ntaub ntawv

• Cov neeg siv phau ntawv