changing default FirstBunchBeforeTrain_previewRate
setting default FirstBunchBeforeTrain_previewRate to PREVIEW_RATE_472 (as it is in the pp menu), fixing query for Total L1A rate, changing rate yellow threshold to 115000
setting default FirstBunchBeforeTrain_previewRate to PREVIEW_RATE_472 (as it is in the pp menu), fixing query for Total L1A rate, changing rate yellow threshold to 115000