User`s guide

Calibration & Utilities  69
6.4.2 DA Channel 2 Calibration
1. Set JP6 to BI1 (Bipolar for DA Channel 2).
2. Connect VDM (+) to CN3.AO2 pin-32 and VDM(-) to CN3.GND pin-29.
3. Set DA2 output to 0x8000
4. Trim the variable resister VR6 to obtain -10.005V reading in the DVM.
5. Set DA2 output to 0x7FF0
6. Trim the variable resister VR5 to obtain +10V reading in the DVM.
A calibration utility is supported in the software diskette which is included in
the product package. The detailed calibration procedures and description can
be found in the utility. Users only need to run the software calibration utility
and follow the procedures. You will get the accurate measure data.