Trimax Software
Caution:  
Always power meter with provided power supply when upgrading software.  Keep your meter plugged in and powered until the upgrade is completed and the meter has rebooted and is showing the menu.  Do not move your meter during the process.  Failure to follow these instructions can cause damage to your meter.
***This process takes from 3 to 6 minutes.***
***DO NOT POWER DOWN YOUR METER UNTIL THE MENU APPEARS ON THE SCREEN.***
***LOAD SOFTWARE ONLY TO THE CORRECT MODEL OF METER***
***DO NOT ATTEMPT TO LOAD ENGLISH SOFTWARE TO CHINESE SM-800***
***DO NOT ATTEMPT TO LOAD CHINESE SOFTWARE TO ENGLISH SM-800***
Meter Tools
SM-3500, SM-2500, SM-2200 meter-tool.zip
Use this tool to upgrade your operating software and to load lists to your meter.
Now you can make your own lists using this new tool.  This tool can download and save a list from your meter, modify the list, load it back to your meter.  Make your own custom list.
Instructions
SM-800 sm800-tool.zip
Trimax CD
TrimaxCD.zip (not included with meter)
SM-3500 Software
America - 8/5/10 release sm3500_american_V2.0.4_20100805.zip
America - 7/12/2010 release sm3500-american-20100712.zip
Asia - 7/12/2010 release sm3500-asian-20100712.zip
Europe - 7/12/2010 release sm3500-euro-20100712.zip
6/24/2010 release sm3500-20100624.zip fixes DiSEqC problem
America American-20100522.zip
Asia Asia-20100522.zip
Europe Euro-20100522.zip
SM-2500 Software
America American-20100522.zip
Asia Asia-20100522.zip
Europe Euro-20100522.zip
SM-2200 Software
America American-20100523.zip
Asia Asian-20100523.zip
Europe Euro-20100522.zip
SM-800 Software
America American-20100325.zip
Asia Asian-20100326.zip
China Chinese-20090908.zip
Europe Euro-20100326.zip