Question Casio graph Need help

[JustDaiSuki]

Hello, i’m french and i’m curious, i want to learn but i understand little bit how my calculator work. so i want to power my led in the pic while my calculator is on

 

[hotaru.hino]

It's hard to say how to turn on the LED if we don't know what exactly it's connected to. If this was something that came with the calculator, it also helps to know what its function is supposed to be (power LED? IR communication LED?)

 

[JustDaiSuki]

It's hard to say how to turn on the LED if we don't know what exactly it's connected to. If this was something that came with the calculator, it also helps to know what its function is supposed to be (power LED? IR communication LED?)

the fonction of this led is to show when your are in mode exam or not, when you are in mode exam a led turn on. Before writing a post i have past a few hours to search some manual or electronic schematic. (sorry for my bad english, i hope you will understand what i mean).