2. Ensure that the following settings are made:a) Interface box IFB002Power: DOWN positionIGN: DOWN positionHH/HF: DOWN HH positionMODE: UP positionb) Power supply+12V DC: OFFc) PCChannel box software loaded and the screen indicating as shown (figure 8):Figure 8: PC Screen (SCRN9) 600-07203. On the PC press ENTER.4. Switch on the 12V supply.5. At the PC press F10.6. At the Interface box switch the POWER to ON.Entering Call Mode from Test ModeThe screen of the PC will resemble the one shown in figure 8:Figure 9: PC Screen (SCRN11) 500-07211. At the PC change the SOFT SIM field to read . Press ENTER.2. At the PC change the TEST field to read . Press ENTER.The UUT will power down and up again. If the UUT is connected to a GSM test set, after a delay ofapproximately 5 seconds the UUT will register service.3. To return to test mode, set SOFT SIM field to and set TEST field to . Press ENTER.Issue 1 Section 7 MCUK980101C8Revision 0 7 - 6 Service ManualTEST AND MEASUREMENT