ICP DAS USA ET-7H16M Series User Manual page 75

Step 2：Output voltage 4.8V to ch0 ~ ch7 and the meter, and select +/-5V in Gain combo box. Enter
the value reading from the meter in Meter 1 textbox (the following example is 4.7990)
Tips & Warnings
The range of output voltage is 5V~0V and it's better to output voltage value
near to 5V.
PET-7H16M Series User Manual, version 1.0.1 P.75