foc filament
number
Ie offset valid usual display: Ie
offset O.K.
correction active default display: Ie
offset corr. active
if tube adapted: Ie offset + R corr. active
ofs [uA] default mA offset current value of mA measuring circuit G100
= 4000uA
corrected value
appears after adaptation
R [Mohm] default
value (no tube or nor adapted) = 0 MOhm
corrected
(measured during adaptation) value should be close to 200 MOhms
this value is required to be filled in the mAs correction formula, see doc ACCEPTANCE