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or gamma-tube output only in a dual-photomultiplier system.
1. Investigate the desirability of using heavier control cables and connections or of using
additional parallel controi lines.
8. Fabricate a junction box for preoperational connection to the EG&G relays, allowing
subsequent control cables to be plugged in during operational installation. This will ensure
connections that are identical to those used on tests, save time, and prevent accidental
triggering of control circuits.
9. Check timing signals during dry runs by measuring the open and closed condition of
plug pins at the recording-unit end of the control cables.
10. Install indicator lights for monitoring circuits.
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