3 Setup and Operation 3.3 Display After switching on, all segments and characters are illuminated for approx. 2 seconds; then the display changes over to the Display or Programming Mode. The display is available in three different versions: Reflective: black digits on a bright reflecting background Positively transflective: black digits on an illuminated background* Negatively transmissive: red illuminated digits on a black background* * Currently not available 108