JAI LT-200CL User Manual

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JAI LT-200CL User Manual Manual pdf 18 page image

LT-200CL176.3.7 Gain controlThe LT-200CL has two ways of setting gain - one for the master tracking and the other forindividual channel adjustment. Each setting also has two analog gain modes - one is theGAIN LOW and the other is the GAIN HIGH. When the Gain Low is selected, gain for eachchannel can be adjusted from -4dB to +6dB against the reference of 0dB which is thedefault output setting. If the Gain High is selected, the reference level is changed to+6dB and gain for each channel can be adjusted against the reference by -4dB to +6dB.The following shows the setting procedures and adjustable range.1. Master tracking modeIn this mode, the command GA(Master) can controls all three channels, R, G and B.Furthermore, the commands GAR and GAB can control R and B channels respectively.Gain Low mode: Reference value: 0dB Master gain control range : 0dB to 8dB R/B Adjusting range :-4dB to +6dB (at the master gain setting value)Gain High mode: Reference value: +6dB Master gain control range : 0dB to 8dB R/B Adjusting range :-4dB to +6dB (at the master gain setting value)Fig.17 Master gain mode with Gain Low and High2. Individual gain modeThe commands GA, GAR and GAB control R, G and B channels respectively.Gain Low mode: Reference value: 0dB R/G/B Adjusting range :-4dB to +14dB (at the master gain setting value)Gain High mode: Reference value: +6dB R/G/B Adjusting range :-4dB to +14dB (at the master gain setting value)