Panasonic BL-C210 Series Operating Instructions Manual

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Panasonic BL-C210 Series Operating Instructions Manual Manual pdf 33 page image

1.2.8 Video Images and Image Refresh RateUsing the [Refresh Rate] selector in the operation bar, you can select whether video images ([MJPEG],[MPEG-4], or [H.264]) are displayed, or still images that are refreshed periodically (3 seconds, 5 seconds, etc.)are displayed. You can change the default setting for [Refresh Rate] that is used each time the single camerapage is accessed (see Page 159).Certain features are limited depending on the [Streaming Format] setting (see Page 209). Additionally,[Refresh Rate] selection can be disabled for general users (see Page 152) and for guest users (seePage 155).MJPEGMJPEG (Motion JPEG) is a video format that displays a continuous series of still images. Because each MJPEGframe is a still image, this format offers high-quality images, but uses more bandwidth, and frame rate maydecrease as a result. To view images in MJPEG format, set the [Refresh Rate] selector to [MJPEG].MPEG-4MPEG-4 is a video format that updates images only when there is a variation in the image displayed, and asa result, requires less bandwidth. MPEG-4 is useful in situations when less bandwidth is available, such aswhen viewing camera images over the Internet. To view images in MPEG-4 format, set the [Refresh Rate]selector to [MPEG-4], then select the desired streaming format under [Streaming Method].• In order to view images using MPEG-4, [Streaming Format] on the [Video Streaming] page must be set to[MPEG-4] (see Page 145). When this setting is changed, the camera must be restarted before the newsetting takes effect. When [MPEG-4] is selected, H.264 images cannot be viewed.H.264H.264 is a video format that offers high-quality images. Note, however, that the camera does not supportbuffering and transferring H.264 images. To view images in H.264 format, set the [Refresh Rate] selector to[H.264], then select the desired streaming format under [Streaming Method].• In order to view images using H.264, [Streaming Format] on the [Video Streaming] page must be set to[H.264] (see Page 145). When this setting is changed, the camera must be restarted before the new settingtakes effect. When [H.264] is selected, MPEG-4 images cannot be viewed.Video streamingH.264 and MPEG-4 images can be streamed using multicast, unicast, and HTTP (see Page 145). Whenaccessing the camera using HTTPS, multicast and unicast streaming is not possible: HTTP is the only availablestreaming method.– [Auto]: The first available streaming method will be used, beginning with multicast, then unicast, then HTTP.The current streaming method is displayed below the camera image.– [Multicast] (Multicast RTP): Multicast allows you to stream the same data over the network to multipleparties, thus reducing the amount of data that is sent over the network.• Multicast streaming is not possible when viewing camera images over the Internet.• In order to use multicast streaming, the camera must be configured for multicasting (see Page 145).Note that multicast streaming is not possible when viewing camera images on certain local networks.Consult your network administrator before configuring the camera for multicasting.• Images may break up when accessing the camera over a low bandwidth connection. This is normal.In this case, select [Unicast] or [HTTP] as the streaming method.• If images cannot be displayed or if images break up when [Multicast] is selected as the streamingmethod, select [Unicast] or [HTTP].Operating Instructions 331.2.8 Video Images and Image Refresh Rate