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We decided to use the spsActor view of the BIA lamps, which abstracts out the fact that there are four modules. For various usage reasons the MHS keyword is denormalized:
| Field name |
FITS CARD |
Unit |
Range |
Meaning |
| power |
W_BIAPOW |
% |
0-100 |
The high frequency ontime when the LEDs are on |
| period |
W_BIAPER |
ms |
>0 |
The total (on+off) "pulse" width. 1000 when not pulsing |
| dutyCycle |
W_BIADTY |
% |
1-100 |
Basically 100*on/period |
| on |
W_BIAON |
ms |
>0 |
The width of the on time. 1000 when not pulsing |
| off |
W_BIAOFF |
ms |
>=0 |
The width of the off time. 0 when not pulsing. |
Inside the mcsActor, we will only need to add sps to the list of loaded models, and the FITS header will be populated.
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