User name hyde
Log entry time 17:45:54 on September23,2004
Entry number 131761
keyword=Proton Array ADCHV on tower 19,20 only
1st: led bias 300
2nd: led bias off
Either pedestal is drifting by more than signal,
or signal is introducing DC offset on all channels.
Restore cabling.
FIGURE 1
FIGURE 2
