Gain Notes for Revolution 750 JEM-X1: A quite normal revolution with fine gain fitting. All the data from this revolution should be useable. The Xe analysis confirms that the energy determination for this revolution is okay, within about 3% of the ideal. However, as for all revolutions, the first few science windows should be avoided in any analysis requiring very good gain determination. To ensure the best gain correction thoughout the revolution OSA 8.0 (available in early 2009) should be used to process this data. JEM-X2: No scientific data or gain history data for this unit. CAO 8/12/2008