CW issues, thinking of software rollback

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As a number of us CW operators suffer from the erratic CW transmissions where the transmitter drops its output power, does anyone remember when when this started to occure? As I get more and more irritated, I am prepared to do a rollback, but the question is how far back? Do I keep the CAT/DAX drivers that I'm currently using i.e. 2.60
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Lasse Moell

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Posted 2 months ago

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Tim - W4TME, Customer Experience Manager

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Official Response
Sorry for the delay in getting this answered.

If you plan to revert back to SmartSDR v2.4.9 after running a higher version of SmartSDR, do the following.

There are two procedures.  The first one is where you have SMartSDR v2.4.9 already installed on your PC and the second one is where you do not.

SmartSDR v2.4.9 Installed on your PC

1.) DO NOT UNINSTALL any later versions of SmartSDR that are installed on your PC
2.)  Start SmartSDR v2.4.9 and downgrade the firmware
3.) Shut down SmartSDR v2.4.9 and power down the radio
4.) Factory Reset the radio
5.) If you have a Profile Export that was created with SmartSDR v2.4.9 or below, you can use this to reinstall your profiles.  If you do not have a Profile Export from SmartSDR v2.4.9 and below, DO NOT INSTALL A PROFILE EXPORT FROM A LATER VERSION OF SMARTSDR ONCE YOU HAVE INSTALLED THE v2.4.9 FIRMWARE.  The database is not compatible with v2.4.9 firmware.
6.) Start SmartSDR v2.4.9 and use the radio.

SmartSDR v2.4.9 is not installed on your PC

This is a little more difficult since there is a profile database incompatibility and the v2.4.9 DAX is susceptible to Win10 corruption via the Windows Update process.

1.) DO NOT UNINSTALL any later versions of SmartSDR that are installed on your PC
2.) Install SmartSDR v2.4.9 on your PC.  This may reinstall your DAX drivers.
3.) Reinstall SmartSDR v3.1.8 or v2.6.1 depending on the license version you have installed for your radio.  This will re-install the updated DAX drivers.  DO NOT START this version of SmartSDR you just installed.
4.)  Start SmartSDR v2.4.9 and downgrade the firmware
5.) Shut down SmartSDR v2.4.9 and power down the radio
6.) Factory Reset the radio
7.) If you have a Profile Export that was created with SmartSDR v2.4.9 or below, you can use this to reinstall your profiles.  If you do not have a Profile Export from SmartSDR v2.4.9 and below, DO NOT INSTALL A PROFILE EXPORT FROM A LATER VERSION OF SMARTSDR ONCE YOU HAVE INSTALLED THE v2.4.9 FIRMWARE.  The database is not compatible with v2.4.9 firmware.
6.) Start SmartSDR v2.4.9 and use the radio.

If you run a later version of SmartSDR than 2.4.9 and do a firmware update and want to use 2.4.9 again, you have to re-run the first procedure listed above.