Wednesday 21 November 2018

Cockpit update: New FDS chronometers

Latest installations are 2 nice FDS chronometers. They come with a small screen. Prosim Display module for each screen brings the clock there. The connection is made via HDMI. I didn´t have any HDMI outputs available on the PC´s, so I used 2 USB-HDMI converters. This was straight forward.The clock buttons are all fully functional. I connected them to two of the 8-pin slots on my FDS syscard. The connectors are already mounted by FDS. Of course it is no problem to connect them to any interface card in the sim, that is able to receive inputs. 
In addition, also the bumper clock switch was connected  in parallel to the affiliated wire.



There are 2 things I have added:

Screen brightness and contrast:
The screens are very bright and the black isn´t black, instead it is grey, because of the brightness. Adjustment via graphic card driver wasn´t possible, because of the USB cards used. To adapt contrast and brightness to all other displays in the cockpit I had to use a 1.2 ND filter foil between screen and the acrylic glass front.





1.2 ND filter foil


Simulation of printed clock scale:
In the real aircraft, the clock scale seems to be printed onto the clocks and can also be seen, when the cockpit is in cold and dark state. The clocks themselves both start up, when battery power is on. Prosim does not simulate this. As soon, as the display modules are started, the clock scale comes up unrealistic fully bright. So I delayed the start of clock display modules by making a LUA, that starts a batch as soon, as the battery power is on.To have a scale already shown in cold and dark state, together with sim startup an Opera Browser window is started that has its position at the clock screens. It loads a picture of the clock scale that is very dark. Later the Prosim display modules just cover it. The opposite happens, when the battery switch is selected to off.



Actual state of the cockpit

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