Using an Agfa digital imaging system,if an image's exposure indicator is 2.3 lgM while the optimal range begins at 2.6 lgM,this means that the IR was ______________ and the exposure to the IR needs to be ___________________ .

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Using an Agfa digital imaging system,if an image's exposure indicator is 2.3 lgM while the optimal range begins at 2.6 lgM,this means that the IR was underexposed (the lgM is directly related to exposure)and the exposure to the IR needs to be increased by a factor of two,or doubled (for every 0.3 under the range,the exposure needs to be doubled).

Using an Agfa Digital Imaging System,if an Image's Exposure Indicator