Tektronix 511 Instruction Manual page 10

PANEL MARKINGS
TRIGGER AMPL.— Potentiometer controlling
the bias applied to the trigger amplifier tube
(V2) and thereby determining the amplitude
of trigger signals applied to the multivibrator.
TRIGGER INPUT— Binding post connecting ex­
ternal trigger sources to +EXT. and -EXT.
+ SIGNAL
SWEEP SPEED MULT,
was a sin g le dial fro m
S / N 101-1405
P A G E 1 - 4
EXPLANATIONS
DEFL. and
a rrow s added at approx.
S/N 2869
T Y P E 5 1 I —G E N E R A L
PANEL MARKINGS
position of TRIGGER SEL. switch.
DEFLECTION POLARITY---Three-position le ­
ver switch mounted at the rear s which changes
the V19 operating bias and the screen volt­
age on V18 and V19, thus providing greater
undistorted deflection when observing pulses.
D ial readings:
CAL., SIGNAL,
X I, X 1 0 - S / N 101-2405
D E S C R I P T I O N
EXPLANATIONS
EXT.
X .l,