PCI-1202/1602/180x Series CardMulti-Function BoardsUser Manual/ Ver. 4.8/ Mar. 2015/ PMH-0014-48/ Page: 11210.2 D/A Calibration For PCI-1800/1802 version_F and PEX-1202/PCI-1202 series card:Step 1: J1 select +10 VStep 2: Connect the D/A channel 0 to voltage meterStep 3: Send 0x800 to D/A channel 0Step 4: Adjust VR200 until voltage meter = 0 VStep 5: Send 0 to D/A channel 0Step 6: Adjust VR201 until voltage meter = -10 VStep 7: Connect the D/A channel 1 to voltage meterStep 8: Send 0x800 to D/A channel 1Step 9: Adjust VR202 until voltage meter = 0 VStep 10: Send 0 to D/A channel 1Step 11 : Adjust VR203 until voltage meter = -10 V For PCI-1800/1802 version_C series card:Step 1: J1 select +10 VStep 2: Connect the D/A channel 0 to voltage meterStep 3: Send 0 to D/A channel 0Step 4: Adjust VR3 until voltage meter = -10 V For PCI-1602 series card:Step 1: J1 select +10 VStep 2: Connect the D/A channel 0 to voltage meterStep 3: Send 0x800 to D/A channel 0Step 4: Adjust VR4 until voltage meter = 0 VStep 5: Send 0 to D/A channel 0Step 6: Adjust VR5 until voltage meter = -10 VStep 7: Connect the D/A channel 1 to voltage meterStep 8: Send 0x800 to D/A channel 1Step 9: Adjust VR7 until voltage meter = 0 VStep 10: Send 0 to D/A channel 1Step 11: Adjust VR6 until voltage meter = -10 V