====How to make new profile==== 
  - Click on erba XL-640 icon on desktop of pc.
  - It will ask for username and password.  
  - Username=guest and password=????
  - Click on 'Test parameter(f3)'{{profile.JPG|step 1}}
  - Click on test you want to calibrate and then click on 'copy test'.
  - Give another name to new profile.for example GLC(Glucose) new profile name shold be 'NGLC'.