L7089 / L7189 6.8 Testing on Go / NoGo tester The set up for the GO / NOGO tester must be set up as per above. The tester must be set up as per GSM specifications. The test incorporates the basic live call, during which many of the RF parameters are checked. This test can be ran in ‘Autotest’ mode, where the radio is classified at the end of the test as a Pass or Fail. This can be used to indicate whether or not a unit is performing to spec through the Butt Plug only. of 48 European Customer Services 32