Operating Instructions37Note• When selecting [All] for the View Type, all images are displayed in 160 x 120pixels resolution, and the Audio Control Bar is not displayed.• 640 x 480-pixel images cannot be displayed on the Multi-Camera page.• When viewing video (Motion JPEG), we recommend using an Ethernetswitching hub instead of a repeater hub to prevent degradation in video display.• Due to network congestion or the number of accesses, the refresh interval mayincrease.• If the refresh interval is too long, restrict the bandwidth on the Network page(see page 51 and page 56). The refresh interval should improve.• To reduce the data traffic, the video can be automatically changed to refreshingstill images on the General User page (see page 93).• When viewing 4 cameras on the Multi-Camera page, you may need 3 to 4 Mbpsbandwidth. If sufficient bandwidth is not available, the refresh interval mayincrease.When an image is not displayed on the Multi-Camera page• Confirm that the global IP address is specified correctly for each camera andthat each camera is connected to the Internet. For Internet access, local IPaddresses (e.g. 192.168.0.253) cannot be used. (see page 11 ofTroubleshooting on the CD-ROM).• Confirm the settings on the Multi-Camera Setup page (see page 148).• Confirm that the web browser is not accessing a proxy server (see page 186).When setting [Do not permit access from guest users] or [Permitaccess from guest users (mobile only)] on the Security:Administrator page• An authentication window is displayed when accessing the camera. Enter theadministrator's or the general user's user name and password.• When you view images from several cameras on the Multi-Camera page, anauthentication window is displayed for each camera that has security settingsenabled. Enter the administrator's or general user's user name and passwordregistered for each camera.Using the zoom feature on the Multi-Camera page• The optical zoom is not available when viewing the Multi-Camera page,however, a 10x digital zoom is available. You can zoom in and out using themouse or scroll wheel (see page 26).• The zoom depth (x1.0—x10.0) is displayed while zooming.• As the magnification increases, the image quality decreases.
