Presenter - yog dab tsi? Tus neeg nthuav qhia yog lub chaw taws teeb tswj kev hloov pauv kev nthuav qhia slides.
Yuav ua li cas yog tus tshaj tawm rau
Nws yog qhov tseeb paub zoo tias cov neeg feem coob pom cov ntaub ntawv zoo tshaj plaws ntawm qhov muag. Yog li ntawd, kev siv cov kev nthuav qhia yog ib qho yooj yim thiab siv tau los qhia cov ntaub ntawv tseem ceeb rau cov neeg tuaj saib coob. Kev nthuav qhia kuj tseem siv tau ntawm kev qhuab qhia, ntawm ntau lub rooj sib tham, ntawm cov rooj sib tham, hauv ib lo lus, nyob qhov twg muaj cov neeg hais lus thiab mloog.
Txhawm rau kom qhov kev nthuav qhia ua tiav, thiab cov neeg mloog tsis txhob tawg mus rau hauv qhov kev tshaj tawm, nws yog ib qho tseem ceeb uas yuav tsum tau hloov cov slides hauv lub sijhawm thiab sai sai. Ua li no nrog tus nas thiab lub khoos phis tawj tsis yooj yim heev - koj yuav tsum tau cuam tshuam los ntawm cov neeg tuaj saib, mloog zoo rau cov txheej txheem hloov pauv, sim nco ntsoov qhov koj tau hais ua ntej.
Yuav ua kom cov lus nthuav qhia yooj yim thiab yooj yim, cov kws tshawb fawb tau tsim cov chaw taws teeb tswj tshwj xeeb rau kev nthuav qhia - tus tshaj tawm. Ib qho ntawm cov qauv nrov tshaj plaws niaj hnub no yog Logitech r400 presenter.
Device tsos
Yog li, peb tau kawm paub tias tus tshaj tawm ua haujlwm li cas, nws yog dab tsi thiab lub cuab yeej no yog dab tsi. Tam sim no cia peb tham txog seb nws zoo li cas. Hauv cov khw muag khoom siv hluav taws xob, tus neeg nthuav qhia nthuav qhia tau ntim rau hauv lub pob tshab pob tshab, los ntawm qhov koj tuaj yeem pom tias nws tau nruab nrog lub teeb liab laser pointer, nws qhov ntau yog 15 meters, lub cuab yeej tsis tas yuav teeb tsa cov tsav tsheb thaum siv nrog cov niaj hnub versions ntawm Windows..
Nyob rau tom qab ntawm lub thawv muaj cov ntaub ntawv hais txog lub peev xwm ntawm cov cuab yeej thiab qhov kev xa khoom. Cov pob muaj xws li: tus neeg nthuav qhia nws tus kheej, tus txais wireless, 2 tus qauv AAA roj teeb, rooj plaub nrog cov ntaub ntawv uas nws tau sau tias tus neeg nthuav qhia ua haujlwm, nws yog dab tsi, nws yog dab tsi, yuav daws teeb meem li cas yog tias muaj.
Cov chaw tsim khoom muab 3 xyoo lav thiab kev txhawb nqa tag nrho. Cov ntaub ntawv yog ua los ntawm cov khoom muag mesh. Cov cuab yeej nws tus kheej zoo ib yam li TV chaw taws teeb tswj. Nws muaj ergonomic zoo. Ua ntej siv thawj zaug, tshem tawm cov kab thaiv dawb ntawm qhov chaw uas cov roj teeb uas tau teeb tsa. Lub wireless receiver tsis zoo li txawv ntawm USB flash drive li niaj zaus.
Specifications
- Device qauv - Logitech Wireless Presenter R400.
- xim - dub.
- Qhov hnyav ntawm tus tshaj tawm yog 57 grams, lub wireless receiver yog 6 grams.
- Class 2 liab laser, 640 txog 660 nm wavelength
- Power - 2 AAA roj teeb.
- Wireless thev naus laus zis - 2.4 GHz.
Pros and cons of the device
Ua ntej tshaj plaws, peb xav qhia rau koj tias Logitech's r400 tus neeg nthuav qhia yog xis tuav hauv koj txhais tes. Vim lub fact tias tag nrho cov nyees khawm ntawm nws yog sib txawv qhov ntau thiab tsawg thiab duab, nws yog yooj yim los siv nws txawm mus rau qhov kov. Thaum koj qhib lub cuab yeej hauv lub khoos phis tawj, tus tshaj tawm tau pom los ntawm kev ua haujlwm raws li cov keyboard.
Nws raug pom zoo kom siv Microsoft Office PowerPoint es tsis yog OpenOffice Impress los qhib kev nthuav qhia vim tias lub vijtsam tawm khawm tsis ua haujlwm raug hauv OpenOffice. Qhov ceev ntawm kev hloov slides nyob ntawm lub hwj chim ntawm koj lub computer.
Tus neeg nthuav qhia lub laser pointer ua haujlwm zoo hauv chav tsis muaj teeb pom kev zoo thiab nyob deb ntawm 5 meters. Nyob rau ntawm qhov deb ntawm 10 meters los ntawm cov slides thiab nyob rau hauv lub teeb ci, lub laser qhia tias cov khoom no noticeably zuj zus. Lub roj teeb lub neej ntawm lub cuab yeej yog ntev heev. Thaum siv tus taw tes, cov roj teeb yuav tsum kav ntev li 20 teev ntawm kev ua haujlwm tas mus li, tsis tas siv tus taw tes - txog li 1000 teev.
Yog tias cov roj teeb yuav luag tas, qhov ntau ntawm lub laser pointer yuav raug txo kom pom.
Logitech's r400 Presenter yog ib qho yooj yim mus use, xis thiab ergonomically tsim.
Tam sim no koj paub txhua yam ntawm tus neeg tshaj tawm (nws yog dab tsi thiab nws yuav ua rau koj lub neej yooj yim dua), koj tuaj yeem tau txais thiab siv nws hauv koj txoj haujlwm. Nws yuav dhau los ua tus pabcuam tseem ceeb rau koj yog tias, los ntawm qhov koj ua haujlwm, feem ntau koj yuav tsum hais lus rau cov neeg tuaj saib. Kev nthuav qhia cov chaw taws teeb tswj yuav ua rau tus neeg nthuav qhia txoj haujlwm yooj yim dua thiab txaus siab dua, thiab cov neeg tuaj saib yuav tuaj yeem txaus siab rau qhov kev nthuav qhia.
