valutazioni - 2, GPA: 4
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Facilità d'uso
• Line 2 displays the input type. • Line 3 displays a text label that you can define (input 4 only). The display time can be set from 0 to 5 seconds in 1 second steps (default is 2 secs). Test pattern Test patterns are useful when the DVS 304 is used to output differing resolutions. Choose a test pattern to properly adjust the image using built in crop, alternating pixels, and color bars. Enhance mode When the enhance mode is set to on, automatic gain control of the video input signal is enabled. If the input signal level is too weak, signal gain will be increased, and if the input signal level is excessive, signal gain will be decreased. Using either the Adjust horizontal ([) or Adjust vertical ({) knob, select (< >) either On or Off as desired. The default is Off. Refresh Lock When Refresh Lock is applied the vertical output rate is locked to the incoming vertical refresh rate to prevent tearing and/or stutters associated with frame conversion. This mode should only be activated when excessive stuttering and/or tearing is being experienced with an input signal. N The output refresh rate must be set equal to or greater than the incoming video’s refresh rate or no video output will be displayed. If the incoming video’s vertical rate differs significantly from the set output refresh rate, no video will be displayed. Auto Memory The DVS 304 stores 16 auto memories with input and picture control data for inputs 2 ad 4. The default settings enables these memories to automatically recall input and picture controls for signals that have been previously applied. By disabling auto memories, the DVS 304 will treat every newly applied input as a new input. Default is on. AUTO MEMORY AND AUTO IMAGE FEATURES Auto Memory Auto Image Information ON ON “New” signals /rates that have not been previously detected by the DVS 304 are initially set-up using default parameters, then auto image is automatically applied and values stored. The next time the same signal is detected, the values stored in the auto memory location are applied. ON OFF (Default) “New” signals /rates that have not been previously detected by the DVS 304 are set-up using default parameters. If manual input and/or picture settings are made to the input, an auto memory location is created and recalled each successive time the input is detected. OFF ON Each change in input sync triggers an automatic auto image. When auto memory is disabled, each different signal is treated as a new signal and default picture controls and automatic auto image is applied. Any manual changes made to the image and picture controls are lost each time a new rate is detected. OFF OFF Each change in input sync causes default values to be applied to the rate. Any manual changes made to the image and picture controls are lost each time a new rate is applied. DVS 304 • Installation and Operation 2-19 Installation and Operation, cont’d Picture-in-picture mode The DVS 304 can display two image sources on the screen simultaneously. Keep in mind that when using the PIP feature, one image source must be low-resolution (composite, S-video, YUVi and RGBcvS) video, while the other must be high resolution (YUVp, RGB scaled) video. If these conditions are not met (i.e., two low resolution video inputs or two high resolution inputs are selected), the PIP mode will quit. To go into Picture-in-picture mode, do the following: 1. Select an input for the main window. 2. Define the size of the main window before starting PIP mode. N For quick sizing setup, use the 16*# X10% SIS command to set different sizes for the PIP window. 3. Activate the PIP mode via an SIS command or IR remote; specify the PIP window input. DVS 304 checks the input format for the PIP window and returns an error message if an invalid selection is made. When the PIP mode is active, note the following: • The LED for the main window input is ON. • The parameters of the PIP window are adjustable from the front panel or by SIS commands only. • Any change in configuration (except positioning) of the PIP window is saved to that input even after the PIP mode is not longer active. • The PIP window input is listed under the default cycle on front panel menu, as shown below. Default Cycle INPUT 1 COMPOSITE 2 sec. 2 sec. PIP WINDOW INPUT 2 OUTPUT 1024 x 768@60 2 sec. Figure 2-18 — The PIP sequence If the PIP window source is out, the PIP mode exits until an active signal is detected. When the main window source is removed, a black background displayed. Changing the input To change the input for the PIP and/or main window, determine if the corresponding input is a low or high resolution. If your main window image is from a low resolution source, switch to another low resolution input from the front panel. In this case, the PIP window retains its high resolution. When the PIP window is active, size, position, and picture controls all apply to the PIP window. The main window settings cannot be modified while the PIP window is active. The PIP siz...
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