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| Bit | Decimal value | Meaning | Justification | Computation | Comment |
| 0 | 1 | BIAS1_SWEEP - ongoing sweep | Ongoing sweep on ANT1 probe | Should be set from 100 ms before the sweep to 1 s after the sweep on a particular probe. | First bit (LSB) |
| 1 | 2 | BIAS2_SWEEP - ongoing sweep | Ongoing sweep on ANT2 probe | ||
| 2 | 34 | BIAS3_SWEEP - ongoing sweep | Ongoing sweep on ANT3 probe | ||
| 3 | 48 | EMC QUIET window | SolO payload is in EMC QUIET mode | Known from EMC_MAND_QUIET E-FECS event | |
| 4 | 516 | EMC NOISY window | SolO payload is in EMC NOISY mode | Known from EMC_PREF_NOISY E-FECS event | |
| 5 | 326 | Spacecraft roll manœuvre | Indicate when the spacecraft perform rolls | Known from *_ROLL E-FECS event | |
| 6 | 647 | Thruster firings | Indicate when the plateform thruster firings happen | Known from TMC+WOL E-FECS event | |
| RPW +Z ANT PA in the line of sight of the HGA during TX ON. | The HGA TX may have an impact on the RPW science measurement quality when the ANT PA in the HGA light of sight | To be determinated by ROC from SPICE computation | Not implemented | ||
| SPICE Heat Shield Door is open | SPICE HSD may have an impact on the RPW +Z ANT bending effect | Known from HSD_SPICE_OPEN E-FECS event | Not implemented | ||
| LFR setting has changed before the end of the current data samples acquisition | According to LFR data acquisition mechanism and CDF structure, it can be impossible for some dataset (i.e., SWF) to take of a LFR setting change - performed via a command execution on-board - in a CDF record time window. Users need nevertheless to be warned when such LFR setting change occurred during a data sample acquisition. | Known from the reception of the TM_LFR_TC_EXE_SUCCESS {YIW00139} S1 TM that confirms the LFR setting change | Not implemented | ||
| Possible SWA-PAS high voltage contamination | SWA-PAS unit may provoke noise on RPW measurements | Inclusion of this event into the bitmask is TBC (quantification of the impact is TBD) | Not implemented | ||
| BIAS1_CURRENT_NONCONSTANT | Changes in biasing current may (1) not be instantaneous, and (2) may have uncertain timestamps. | Should be set from 100 ms before to 1 s after any change in bias current on a particular probe (including sweeps). | Not implemented | ||
| BIAS2_CURRENT_NONCONSTANT | |||||
| BIAS3_CURRENT_NONCONSTANT | |||||
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