Model 2101 - I/O Board: Reference D/A converter (AD7523 8-bit DAC). It adjusts the scale factor of the pitch by trimming the Main D/A converter's reference voltage.
Model 2101 - I/O Board: Reference D/A converter (AD7523 8-bit DAC). It adjusts the scale factor of the pitch by trimming the Main D/A converter's reference voltage.