Insert Five Radiotrons UX-199 in Sockets l to 5
Fig.11. Insertion of Radiotrons UX-199
Turn the "
VOLUME CONTROL
"'
pointer P to "
LOUD
".
Pull out the
filament switch K. Then turn the "
BATTERY SETTING
"
pointer F
slowly to the right to 3.5. The Radiotrons should be lighted dimly,
the glow usually being just visible near the base of each tube. Note
that the Radiotron in socket 3 will not be lighted as brightly as the
others, unless
Insert Radiotron UX-120 in Socket 6 Only
Fig. 12. Insertion of Radiotron UX-120
13