Time Guardian & Trutime Daylight Saving setup for various versions
The links and attachments entails how to setup daylight savings for various clocks in various Time Guardian versions and Trutime. It may not include instructions for all clocks but similar methods can be applied like the various steps mentioned within the provided information.
For TG version 4 or lower - http://www.amano.com/Other_Main_Pages/DST/PDF/TG_DST07.pdf
For TG version 5 or higher - ftp://ftp.amano.com/Time%20Guardian/Documentation/tg_series_dst.pdf
For TGPRO version 3.7 or lower - http://www.amano.com/Other_Main_Pages/DST/PDF/TGPro_DST07.pdf