DAC38J82: DAC GAIN

Part Number: DAC38J82

Dear sirs,

Could anybody tell me how can I control the output gain of the DAC (DAC GAIN) . I have used the Mixer_gain: 6dB  and the Qmc_gainA and Qmc_gainB with another 6dB , but I cant find the DAC GAIN as shown on the Functional Block Diagram at the right hand side.