ialises a scope (tektronix tds210) to the optimal level of volts/div and sec/div from an input of the difference of 2 waves (ie 2 channels) from an E1 voice card. the purpose is to take accurate measurments so that the wave appears on the display as whole.This is a duplicate question. The answer is posted with the other question, which was also posted on 4/4/2001 in the TestStand category.
http://exchange.ni.com/servlet/ProcessRequest?RHIVEID=101&RPAGEID=135&HOID=50650000000800000081190000&UCATEGORY_0=_8_&UCATEGORY_S=0