The Constant Fraction Discriminators CFD8c, CFD7x, CFD4c, CFD1c and CFD1x (11.0.1701.1)
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V.
The Veto jumper block is located next to each channel (see Figure 3.19b).
Figure 3.19b: Inside view of the CFD8c with jumper blocks marked by yellow circles (CFD7x similar)
VI.
Please follow the instructions on how to set the jumpers which are printed on each four-channel board (see Figure
VII.
Remount the top cover and the rear (front) panel and fix them with all screws and hex bolts.
3b.4.3
Accessing the jumpers in CFD4c
I.
Remove all six screws from the right side panel (marked in red, (see Figure 3.20b).
Figure 3.20b: Side panel of CFD4c with marked screws
II.
Remove the side panel and remember the orientation of the slanted edges marked in green for re-assembly.
III.
There are four jumper blocks, one for each channel (similar to Figure 3.19b).
IV.
Please follow the instructions on how to set the jumpers which are printed on the four-channel board (see Figure
V.
Remount the side panel (in the same orientation as before) after adjusting the jumpers.
