Aztec 600 ISE ammonia and fluorideSingle-stream ion-selective analyzers Appendix F – Updating the SoftwareOI/AXM630–EN Rev. I 89Appendix F – Updating the Software1. Stop analyzer operation by selecting 'Stop Monitor' fromthe main operator menu.2. Ensure the analyzer is switched off.3. Use a large flat-headed screwdriver to release the twodoor catches A.4. Remove the SD card B.5. Refer to the documentation on the web site(http://www.abb.com) for details of any software updates.6. Download the software and transfer it to a blank SD cardusing an appropriate card reader.7. Set the switch C (above the SD card socket) to the lowerposition (Software Update).8. Insert the SD card, close the door and switch on theanalyzer. A start-up message appears for a short duration(approximately 5 seconds) followed by a 'File LoadProgress' bar then the 'ABB' splash screen:9. A 'Warning' screen appears next. This provides the optionto upgrade the existing system software or exit withoutupgrading:10. To proceed, press the key.11. The 'Commissioning V2.0' screen appears with the'Upgrade Firmware' button selected:12. To upgrade the existing system software, press thekey to start the process. The software is transferred to theanalyzer in sections.13. Press the key as each section is installed (installationmay take a few minutes).14. Open the door and move the switch to the up position.15. Close the door and re-tighten the door catches (A in Fig.F.1).16. Turn power off and then on to restart the analyzer.Fig. F.1 SD Card RemovalABCNormalOperation (Up)SoftwareUpdate(Down)