To synchronize the CDS Overview and GDS_TP MEDM colours for O4, I've modified calm_fpu.py to change the colour of some STATE_WORD blocks to RED. The colour changes implemented by this code are:
| FPU | Was RED, Now BLUE |
| EXC | Was BLUE, Now RED |
| OVR,CFC | Was YELLOW, Now RED |
These changes will be made permanent in future RCG releases, but obviously we would not do an RCG upgrade for these cosmetic changes.