Client:
Are your electrodes already calibrated?
Technical Advisor:
Hello, no, it's not possible since calibration depends on your device. However, they are measured.
Client:
What's the difference between the 1681 and the...
Technical Advisor:
...and the?
Client:
198
Technical Advisor:
None.
Client:
Why different references then?
Technical Advisor:
For internet referencing purposes.