JVC TMH-1750CGU Instruction Manual - Page 13
Blue Check, Video Signal Controls
UPC - 046838205880
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Blue Blue Blue Blue ENGLISH VIDEO SIGNAL CONTROLS Use these buttons for video signal control. Ⅵ UNDER SCAN Press the UNDER SCAN button to reduce the size of display area so that the whole picture is displayed on screen. Use to check the picture frame. Ⅵ COLOR OFF To display a black and white picture, press the COLOR OFF button to input the luminance signal only. Use to check noise in the luminance signal or for white balance adjustment. Note: ● No effect with RGB input. Ⅵ BLUE CHECK Input the standard color-bar signal for your TV system and display it on the screen. When the BLUE CHECK button is pressed, the red and green signals are cut and only the blue signal is displayed. The BLUE CHECK function adjusts and checks CHROMA (COLOR) GAIN and PHASE. Make sure that COMPO. LEVEL has been initialized when a component signal is input. [Procedure] 1. Input the standard color-bar signal for your TV system and display it on the screen. 2. Press the BLUE CHECK button. 3. Press the CHROMA button to adjust the chroma so that the blue bars on the left and right sides of the screen have the same brightness. 4. (Only when an NTSC signal is input) Press the PHASE button to adjust the phase so that the two blue bars at the center of the screen have the same brightness. 5. (Only when an NTSC signal is input) Repeat procedures 3 and 4 for the adjustment so that all four blue bars on the screen have the same brightness. When you have finished making the adjustment, press the BLUE CHECK button to deactivate. ⅷ Initializing COMPO. LEVEL (when a component signal is input) with the IF-C01COMG component/RGB input card inserted When a component signal is input, be sure to adjust (initialize) the COLOR offset in COMPO. LEVEL. [Procedure] 1. Input the standard color-bar signal for your TV system and display it on the screen. 2. Press the BLUE CHECK button. 3. Select COMPO. LEVEL in the screen and then adjust it with VOLUME +/- buttons so that the blue bars on the left and right sides of the screen have the same brightness. 4. Quit the screen and press the BLUE CHECK button. 5. Make sure that the blue bars on the left and right sides of the screen have the same brightness. 6. Repeat procedures 3, 4 and 5 for the adjustment so that the blue bars on the left and right sides of the screen have the same brightness. 11 Blue Blue Blue Blue