J. Kissel, T. Shaffer, J. Warner

1) Set STS SELECT ramping matrix to use the ITMY biergarten GND T240;
    caput H1:ISI-GND_STS_MTRX_RAMPING_1_4 1.0
    caput H1:ISI-GND_STS_MTRX_RAMPING_2_5 1.0
    caput H1:ISI-GND_STS_MTRX_RAMPING_3_6 1.0

2) open ISI-HAM overview screen whose sensor correction you want to engage, open light blue SENSCOR Gnd->ISI block.

3) In the middle top, open Filter Selection screen. Hit "engage" on the NORM_FILT2 banks for all three X, Y, Z degrees of freedom (turning on the CML_BB_SC filter). This'll take 30 seconds, and then once done, it'll box will go green.
    caput H1:ISI-HAM3_SENSCOR_X_NEXT_CHAN 2.0
    caput H1:ISI-HAM3_SENSCOR_Y_NEXT_CHAN 2.0
    caput H1:ISI-HAM3_SENSCOR_Z_NEXT_CHAN 2.0

4) Back to the SENSOR Gnd->ISI screen, open the MATCH filter bank screen. Set the MATCH gain to 1.0
    H1:ISI-HAM3_SENSCOR_X_MATCH_GAIN 1.0
    H1:ISI-HAM3_SENSCOR_X_MATCH_GAIN 1.0
    H1:ISI-HAM3_SENSCOR_X_MATCH_GAIN 1.0
    
To disengage, do the opposite:
-1) Set the STS_SELECT matrix to all zeros.
-3) Hit the "disengage X, Y, Z" buttons.
-4) Set the MATCH gains to 0.0.