File sumer_sheet2.txt -- Last modified Wed Nov  1 15:02:05 1995


                   COMMISSIONING PHASE BLOCK SHEET

1. INSTRUMENT AND BLOCK NUMBER: SUMER, Block 2

2. BLOCK IDENTIFICATION: SUMER Functional Commissioning

3. PURPOSE: Verify SUMER functionality

4. SUB-BLOCKS:
   NR.   IDENTIFICATION
   2.1   Final Commissioning of Mechanisms
   2.2   Switch OFF Non-operational Heaters
   2.3   Final Commissioning of Electronics
   2.4   Thermal Control Checkout
   2.5   Open Door (verify deflector HV on)                               
   2.6   Final Commissioning Detector A                                    
   2.7   Final Commissioning Detector B                                    
   2.8   Close Door Partially

5. SUB-BLOCKS TABLE:
   NR. - DURATION - PREVIOUS - COMMANDING - TELEMETRY - POINTING
   2.1    4:20        Nom      PRO, NRT-d      H         None
   2.2    0:10        Nom       PRO            M         None
   2.3    2:00        Nom       NRT-d          H         None
   2.4   1 week (1)   Nom       None (HK)      M         None
   2.5    0:30        Nom       NRT-d          H         None
   2.6    4:00  (2)   Nom       NRT-d          H         Nom
   2.7    4:00  (2)   Nom       NRT-d          H         Nom
   2.8    0:30        Nom       NRT-d          H         None

   (1) 2.4 requires one week of monitoring HK only
   (2) 2:00 out of 4:00 can be NRT-s if needed

6. SCHEDULING REQUIREMENTS:
   2.1 After MCC2, and about 14 days after block 1. Switch OFF
       non-op heaters beforehand, back ON afterwards
   2.2 About 24 days after 2.1 (to complete outgassing).
   2.3 About 4-6 days after 2.2
   2.4 To start as soon as 2.3 is completed
   2.5-2.8  In series, anytime after 2.4. In time for Spectral
            Atlas together with CDS (presently planned for day 77)      
   2.8 Can be omitted if 3.1 follows right after it

7. SPECIAL REQUIREMENTS:
   Coordination with FOT required for non-operational heaters
   switch ON and switch OFF

8. SUCCESS CRITERIA AND/OR EXPECTED OUTPUT:
   SUMER functionally verified

9. RELEVANT PROCEDURES
   None

10. CROSS-REFERENCE TO TEST SHEETS: (list identifiers for test sheets)
    To be supplied