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INGRAM Digital Data Recorders

Adjusting Gain, Offset, and Pretrigger
Press the Function button to scroll to the desired function mode.  Press the UP or DOWN buttons to adjust the programmed settings.  The binary display bar will show the particular value stored (0-255, LSB on bottom).

When in PRETRIGGER function mode, use the UP and DOWN buttons to select a Pretrigger length, if desired.  The Pretrigger length can be programmed in steps, each step being 65535 Words, or 1/16 of the total 1 Meg memory.  Pretrigger values can range from 0 through 983041 (1,048,576 - 65,535) memory Words.