ETMY R0, L1, L2 Open Light counts, offsets, and normalising gain values.  Offsets are calculated by dividing the open light counts by two and multiplied by (-1).  The gain values are calculated such that the open light counts are normalised to 30,000cts.
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R0 
controls@cdsws1:~ 0$ tdsavg 30 H2:SUS-ETMY_R0_OSEMINF_F1_IN1 H2:SUS-ETMY_R0_OSEMINF_F2_IN1 H2:SUS-ETMY_R0_OSEMINF_F3_IN1 H2:SUS-ETMY_R0_OSEMINF_LF_IN1 H2:SUS-ETMY_R0_OSEMINF_RT_IN1 H2:SUS-ETMY_R0_OSEMINF_SD_IN1
29408.9
26594.2
28718
28591
27628.8
29841.9

OSEMINF OFFSETS:
F1 = -14705
F2 = -13297
F3 = -14359
LF = -14296
RT = -13815
SD = -14921

OSEMINF GAINS:
F1 = 1.020
F2 = 1.128
F3 = 1.045
LF = 1.049
RT = 1.086
SD = 1.005
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L1
tdsavg 30 H2:SUS-ETMY_L1_OSEMINF_UL_IN1 H2:SUS-ETMY_L1_OSEMINF_UR_IN1 H2:SUS-ETMY_L1_OSEMINF_LL_IN1 H2:SUS-ETMY_L1_OSEMINF_LR_IN1
30801.6
26947.8
31350.3
32767

OSEMINF OFFSETS:
UL = -15401
UR = -13474
LL = -15675
LR = -16384

OSEMINF GAINS:
UL = 0.974
UR = 1.113
LL = 0.957
LR = 0.916
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L2
controls@cdsws1:~ 0$ tdsavg 30 H2:SUS-ETMY_L2_OSEMINF_UL_IN1 H2:SUS-ETMY_L2_OSEMINF_UR_IN1 H2:SUS-ETMY_L2_OSEMINF_LL_IN1 H2:SUS-ETMY_L2_OSEMINF_LR_IN1
23679.1
23181.5
26177.6
23786

OSEMINF OFFSETS:
UL = -11840
UR = -11591
LL = -13089
LR = -11893

OSEMINF GAINS:
UL = 1.267
UR = 1.294
LL = 1.146
LR = 1.261