SW-D7000U, 9CH. COLOR VIDEO MULTIPLEXERJVC PROFESSIONAL, IMAGING PRODUCTS 41" The images for that camera on tape have been corrupted and cannot be decoded at timeof Playback." The VCR Play speed is very slow.This indicator helps the operator to tell the difference between images that are not being updatedduring Playback and images that are being updated from tape but have no movement within theimage.The indicator ‘A’ will be displayed with the corresponding camera image on Monitor-A if therewas an active alarm at the time that the recording was made.Adjusting VCR brightness and contrast:The SW-D7000U provides a simple front panel adjustment to digitally adjust thecontrast and brightness of the Playback signal from the VCR. (This can also beused to compensate for some VCRs, which output a higher or lower video signallevel than the standard.)Select PLAY mode and then select the Playback camera image to be enhanced full-screen onMonitor-A. Use the arrow keys to adjust the signal.Brightness:Use the up/down arrow keys to adjust the brightness.Contrast:Use the left/right arrow keys to adjust the contrast.3.7.13 SYSTEMVIEW MENUThis menu is provides a view of all settings and parameters of your multiplexer. It is a referencelist only and cannot be changed except through accessible installation menus.