Universal remote codes for Dynex Tv's include 720 for Dish Network, 11463 for Directv and 051 for Harmony. Dynex provides codes for other remotes in its user manuals. Dynex has a remote code finder and links to download user manuals on its website, DynexProducts.com, as of 2015.
Dynex's remote code finder is accessed by navigating to its website and clicking Locate Your Remote Control Code. The model number of the TV is required to search for codes.
Many universal remote controls have the ability to scan for TV codes. Instructions to scan for codes are included in the user manual of the universal remote control.