Page 28 of the Exterior 200 LED user manual shows the DIP switch settings for normal operation and boot mode upload. In the manual up to and including Revision C, these settings were switched by mistake. In other words, the illustration and text say incorrectly that DIP switch pin 6 should be at OFF for normal operation and moved to ON for boot mode upload.
In fact DIP switch pin 6 should be set to ON for normal operation and moved to OFF during a boot mode upload.
The manual Rev. D contains correct illustrations (see below) and text :