Compare
list of estimated exposure times.
For quick reference: Encoder readings (between braces):
| Quadrant | FW_1 (FWD) | FW_2 (AFT) |
|---|---|---|
| A:171 Angstroms {28} | 1: Open {19} | 1: Open {125} |
| B:UV {20} | 2: 1600 A {55} | 2: 1216 A {17} |
| C:195 Angstroms {10} | 3: Aluminum {91} | 3: Aluminum {53} |
| D:284 Angstroms {2} | 4: 1550 A {127} | 4: Fused Silica {89} |
The TRACEFRAME tool at present (22 July 1997) assumes the default to be the positions marked by an asterisk.