The button is hidden. You have to click on the ckickspot to make it visible. The button is hidden again when the panel is closed yet it does not affect the FSP seat belt status.
You can change the button position & size as necessary by altering the last 4 digits: X,Y,Width,Height.
FS2004/FSX FO Electrical Panel v1.0 for SCS Tu-134 v2.0
in FS2004 Panels
Posted
To enable the FSPassengers Seat Belt Button (FS9 only) add the following gauge to the panel window:
gauge01=FsPassengers2004!CabinSign, 156,232,5,3
It will look like this:
https://aviasimulator.blogspot.com/2019/10/fspassengers-seat-belt-button-for-foep.html
The button is hidden. You have to click on the ckickspot to make it visible. The button is hidden again when the panel is closed yet it does not affect the FSP seat belt status.
You can change the button position & size as necessary by altering the last 4 digits: X,Y,Width,Height.