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<span class="anchor" id="line-1-6"></span><p class="line874">Microfono - Telecamera - webcam Marca Zoom (non è la ditta di webconference), modello Q2N <span class="anchor" id="line-2-5"></span><span class="anchor" id="line-3-3"></span><p class="line867"><a class="https" href="https://www.zoom-na.com/products/field-video-recording/video-recording/zoom-q2n-handy-video-recorder">https://www.zoom-na.com/products/field-video-recording/video-recording/zoom-q2n-handy-video-recorder</a> <span class="anchor" id="line-4-2"></span><span class="anchor" id="line-5-2"></span><p class="line862">Manuale PDF: <a class="https" href="https://zoom-na.com/sites/default/files/products/downloads/pdfs/Q2n_English.pdf#ZOOM_D303_EN-A6.indd%3A.88515">https://zoom-na.com/sites/default/files/products/downloads/pdfs/Q2n_English.pdf#ZOOM_D303_EN-A6.indd%3A.88515</a> <span class="anchor" id="line-6-2"></span><span class="anchor" id="line-7-2"></span><p class="line867"><strong>Collegato via USB al Pc, dopo tre secondi la Q2N si spegne (gracefully) con il messaggio: "Goodbye see you".</strong> <span class="anchor" id="line-8-2"></span><span class="anchor" id="line-9-2"></span><p class="line874">(risolta, vedi sotto) <span class="anchor" id="line-10-2"></span><span class="anchor" id="line-11-2"></span><ul><li>OS usato Debian 10 <span class="anchor" id="line-12-2"></span></li><li>Cambiato svariati cavi (sette diversi). <span class="anchor" id="line-13-2"></span></li><li>Alimentata anche a pila. <span class="anchor" id="line-14-1"></span></li><li>Sia mount USB card che audio mic, funzionano. (Su piattaforma proprietaria funziona anche come webcam). <span class="anchor" id="line-15-1"></span></li><li>Nei settings della webcam autopower off is: OFF <span class="anchor" id="line-16-1"></span><span class="anchor" id="line-17-1"></span></li></ul><p class="line862">Aggiornamento firmware: (hai visto mai) da 1.10 a 1.11 --&gt; aggiornamento firmware successo, ma non cambia le cose (si spegne dopo pochi secondi). <span class="anchor" id="line-18-1"></span><span class="anchor" id="line-19-1"></span><span class="anchor" id="line-20-1"></span><p class="line867"><strong>In quei tre secondi di funzionamento:</strong> <span class="anchor" id="line-21-1"></span><span class="anchor" id="line-22-1"></span><span class="anchor" id="line-23"></span><p class="line867"><strong>lsusb</strong> <span class="anchor" id="line-24"></span><span class="anchor" id="line-25"></span><p class="line867"><span class="anchor" id="line-26"></span><span class="anchor" id="line-27"></span><pre><span class="anchor" id="line-1"></span>Bus 002 Device 008: ID 1686:036c ZOOM Corporation</pre><span class="anchor" id="line-28"></span><span class="anchor" id="line-29"></span><span class="anchor" id="line-30"></span><p class="line867"><strong>dmesg</strong> <span class="anchor" id="line-31"></span><span class="anchor" id="line-32"></span><p class="line867"><span class="anchor" id="line-33"></span><span class="anchor" id="line-34"></span><span class="anchor" id="line-35"></span><span class="anchor" id="line-36"></span><span class="anchor" id="line-37"></span><span class="anchor" id="line-38"></span><span class="anchor" id="line-39"></span><span class="anchor" id="line-40"></span><span class="anchor" id="line-41"></span><span class="anchor" id="line-42"></span><span class="anchor" id="line-43"></span><span class="anchor" id="line-44"></span><span class="anchor" id="line-45"></span><span class="anchor" id="line-46"></span><pre><span class="anchor" id="line-1-1"></span>usb 2-8: new high-speed USB device number 6 using xhci_hcd
<span class="anchor" id="line-2"></span>usb 2-8: New USB device found, idVendor=1686, idProduct=036c, bcdDevice= 2.00
<span class="anchor" id="line-3"></span>usb 2-8: New USB device strings: Mfr=1, Product=2, SerialNumber=3
<span class="anchor" id="line-4"></span>usb 2-8: Product: Q2n Web Cam
<span class="anchor" id="line-5"></span>usb 2-8: Manufacturer: ZOOM
<span class="anchor" id="line-6"></span>usb 2-8: SerialNumber: 0
<span class="anchor" id="line-7"></span>media: Linux media interface: v0.10
<span class="anchor" id="line-8"></span>videodev: Linux video capture interface: v2.00
<span class="anchor" id="line-9"></span>uvcvideo: Found UVC 1.00 device Q2n Web Cam (1686:036c)
<span class="anchor" id="line-10"></span>uvcvideo 2-8:1.0: Entity type for entity Camera 1 was not initialized!
<span class="anchor" id="line-11"></span>usbcore: registered new interface driver uvcvideo
<span class="anchor" id="line-12"></span>USB Video Class driver (1.1.1)
<span class="anchor" id="line-13"></span>usb 2-8: USB disconnect, device number 6</pre><span class="anchor" id="line-47"></span><span class="anchor" id="line-48"></span><p class="line867"><strong>ls -ltr /dev/video*</strong> <span class="anchor" id="line-49"></span><span class="anchor" id="line-50"></span><p class="line867"><span class="anchor" id="line-51"></span><span class="anchor" id="line-52"></span><span class="anchor" id="line-53"></span><pre><span class="anchor" id="line-1-2"></span>crw-rw----+ 1 root video 81, 0 Mar 21 23:12 /dev/video0
<span class="anchor" id="line-2-1"></span>crw-rw----+ 1 root video 81, 1 Mar 21 23:12 /dev/video1</pre><span class="anchor" id="line-54"></span><span class="anchor" id="line-55"></span><p class="line867"><strong>hwinfo --usb</strong> <span class="anchor" id="line-56"></span><span class="anchor" id="line-57"></span><p class="line867"><span class="anchor" id="line-58"></span><span class="anchor" id="line-59"></span><span class="anchor" id="line-60"></span><span class="anchor" id="line-61"></span><span class="anchor" id="line-62"></span><span class="anchor" id="line-63"></span><span class="anchor" id="line-64"></span><span class="anchor" id="line-65"></span><span class="anchor" id="line-66"></span><span class="anchor" id="line-67"></span><span class="anchor" id="line-68"></span><span class="anchor" id="line-69"></span><span class="anchor" id="line-70"></span><span class="anchor" id="line-71"></span><span class="anchor" id="line-72"></span><span class="anchor" id="line-73"></span><span class="anchor" id="line-74"></span><span class="anchor" id="line-75"></span><span class="anchor" id="line-76"></span><span class="anchor" id="line-77"></span><span class="anchor" id="line-78"></span><span class="anchor" id="line-79"></span><span class="anchor" id="line-80"></span><pre><span class="anchor" id="line-1-3"></span>05: USB 00.0: 0000 Unclassified device
<span class="anchor" id="line-2-2"></span> [Created at usb.122]
<span class="anchor" id="line-3-1"></span> Unique ID: 1Nxo.PszJ7gBE5vF
<span class="anchor" id="line-4-1"></span> Parent ID: pBe4.2DFUsyrieMD
<span class="anchor" id="line-5-1"></span> SysFS ID: /devices/pci0000:00/0000:00:14.0/usb2/2-8/2-8:1.0
<span class="anchor" id="line-6-1"></span> SysFS BusID: 2-8:1.0
<span class="anchor" id="line-7-1"></span> Hardware Class: unknown
<span class="anchor" id="line-8-1"></span> Model: "ZOOM Q2n Web Cam"
<span class="anchor" id="line-9-1"></span> Hotplug: USB
<span class="anchor" id="line-10-1"></span> Vendor: usb 0x1686 "ZOOM Corporation"
<span class="anchor" id="line-11-1"></span> Device: usb 0x036c "Q2n Web Cam"
<span class="anchor" id="line-12-1"></span> Revision: "2.00"
<span class="anchor" id="line-13-1"></span> Serial ID: "0"
<span class="anchor" id="line-14"></span> Driver: "uvcvideo"
<span class="anchor" id="line-15"></span> Driver Modules: "uvcvideo"
<span class="anchor" id="line-16"></span> Speed: 480 Mbps
<span class="anchor" id="line-17"></span> Module Alias: "usb:v1686p036Cd0200dcEFdsc02dp01ic0Eisc01ip00in00"
<span class="anchor" id="line-18"></span> Driver Info #0:
<span class="anchor" id="line-19"></span> Driver Status: uvcvideo is active
<span class="anchor" id="line-20"></span> Driver Activation Cmd: "modprobe uvcvideo"
<span class="anchor" id="line-21"></span> Config Status: cfg=new, avail=yes, need=no, active=unknown
<span class="anchor" id="line-22"></span> Attached to: #14 (Hub)</pre><span class="anchor" id="line-81"></span><span class="anchor" id="line-82"></span><span class="anchor" id="line-83"></span><p class="line867"><strong>v4l2-ctl --list-devices</strong> <span class="anchor" id="line-84"></span><span class="anchor" id="line-85"></span><p class="line867"><span class="anchor" id="line-86"></span><span class="anchor" id="line-87"></span><span class="anchor" id="line-88"></span><span class="anchor" id="line-89"></span><pre><span class="anchor" id="line-1-4"></span>Q2n Web Cam: Q2n Web Cam (usb-0000:00:14.0-8):
<span class="anchor" id="line-2-3"></span> /dev/video0
<span class="anchor" id="line-3-2"></span> /dev/video1</pre><span class="anchor" id="line-90"></span><span class="anchor" id="line-91"></span><p class="line867"><strong>Aggiornamento: Corrispondenza email con la Zoom inc. - Aprile 2021</strong> <span class="anchor" id="line-92"></span><span class="anchor" id="line-93"></span><p class="line867"><em>Dear Zoom, my Zoom Q2N is unable to work in webcam mode with GNU/Linux OS.</em> <span class="anchor" id="line-94"></span><span class="anchor" id="line-95"></span><p class="line874">(Tra le righe: Mannaggia a voi e a chi non ve lo dice. Ridatemi i soldi, basterdi!) <span class="anchor" id="line-96"></span><span class="anchor" id="line-97"></span><p class="line874">Risposta stesso giorno: <span class="anchor" id="line-98"></span><span class="anchor" id="line-99"></span><p class="line867"><em>Hello, Zoom products are not compatible with Linux based operating systems.</em> <span class="anchor" id="line-100"></span><span class="anchor" id="line-101"></span><p class="line874">(Tra le righe: Ma chi sei, cosa vuoi, chi ti conosce. Vai via.) <span class="anchor" id="line-102"></span><span class="anchor" id="line-103"></span><span class="anchor" id="line-104"></span><p class="line867"><strong>Workaround: per tenere accesa la telecamera:</strong> <span class="anchor" id="line-105"></span><span class="anchor" id="line-106"></span><p class="line867"><span class="anchor" id="line-107"></span><span class="anchor" id="line-108"></span><span class="anchor" id="line-109"></span><pre><span class="anchor" id="line-1-5"></span>apt install v4l2ucp
<span class="anchor" id="line-2-4"></span>v4l2ucp &amp;</pre><span class="anchor" id="line-110"></span><span class="anchor" id="line-111"></span><p class="line874">Fino a che la finestra di v4l2ucp resta aperta, la telecamera non si spegne. (Grazie, Lobo!) <span class="anchor" id="line-112"></span><span class="anchor" id="line-113"></span><p class="line874">p.s. Si può usare anche qv4l2. <span class="anchor" id="line-114"></span><span class="anchor" id="bottom"></span></div>
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