Detector 8
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'This page contains information about changes/issues for RHESSI detector 8 after the 2014 anneal. Detector updates from 2012-mid 2014 can be found here: Detector 8 anneal 2012
Notes
Detector 8 is SEGMENTED after the 2014 anneal!
On March 13, 2015 the rear fast threshold was changed.
15-072-22:05:41 /IDPUTABLE8 OFFSET=REARFASTDAC 15-072-22:05:56 /IDPLOAD VALUE=0x55
- On April 7 2015, the rear fast threshold was changed due to extremely low livetime in the rear segment. It is not clear if this helped; the action will probably be repeated.
15-097-19:57:24 /IDPUTABLE8 OFFSET=REARFASTDAC 15-097-19:57:37 /IDPLOAD VALUE=0x70 ; was 0x65
D8 front slow LLD threshold history
| post 2014 anneal | 0x0C |
D8 front fast LLD threshold history
| post 2014 anneal | 0x22 |
D8 rear slow LLD threshold history
| post 2014 anneal | 0x30 |
D8 rear fast LLD threshold history
| post 2014 anneal | 0x45 |
| 2015-Mar-13 22:05:56 | 0x55 (was 0x45) |
| 2015-Mar-25 19:30:35 | 0x65 (was 0x55) |
| 2015-Apr-07 19:58 | 0x70 (was 0x65) |
D8 HV history
| post 2014 anneal | 3995 V |