These are the fixtures used in Orona or Electra Vitoria elevators.
1980's to 1990's
These are the fixtures used in older Orona elevators prior to 2000's. 1980's Orona elevators had black square buttons with a yellow illuminating halo and a digital floor indicator. The hall station button simply illuminates white.
1990's Orona elevators had black square buttons with a white ring on the center, floor numbering on the side and had no illuminating halo. The hall station buttons had a small red lamp on the side. Floor indicators were digital segments.
In this era, most Orona elevators were using oval shaped floor indicators and buttons with either a small red dot LED, or alternatively a red Halo. These buttons are known as OR96 series. Floor indicators were mostly digital segments or LED dot matrix, but there were also grey LCD displays that look similar to some early Schindler D-Line LCD floor indicators.
Electra Vitoria elevators installed in Hong Kong, China uses Everbright buttons. Dewhurst buttons were also used but quite rare.
Late 2000's to present
These are the fixtures used in the current batch of Orona elevators which are known as Arca II. The buttons are oval shaped with a red lamp on the center. For the hall station buttons, they are rounded triangular that resembles Schindler HT Standard buttons. Floor indicators are either dot matrix or digital segments.
Electra Vitoria elevators installed in Hong Kong, China are still using Everbright buttons. Dewhurst buttons were also used but quite rare.
In 2014, Orona launched its brand new design. It features round, silver buttons, with a Green Halo. The floor indicators are either Green LED dot-matrix, 7-segment or LCD Screens.