Fig.
2-2.
Sweep
controls
in
typical
position for
AC
mode
of
triggering.
This
mode
is
useful
for general-purpose
triggering
over
the
range
from
60
cps
to
5
me.
F
ig.
2-1.
Sweep
controls
in
typical
position
for
AUTO
mode
of
trigger
ing.
This
mode
is
the
most
convenient
triggering
method
over
the
frequency
range
from
60
cps
to
2
me.
C TIME
BASE
A I
INPUT
TRIGGER
SELECTOR
(
TIME BASE moote >
INPUT
AA
STABILITY
OK
HOIIZ
INFUT
ATTIN
TRIGGERING
LEVEL
Fig.
2-3.
Sweep
controls
in
typical
position
for
DC
mode of
triggering.
This
mode is
particularly
useful
for
the
frequency
range
below
60
cps.
STABILITY
0*
HOtll
*rut
ATTfN.
TRIGGERING LEVEL
Fig.
2-4.
Sweep
controls
in
typical
position for
HF
SYNC
mode
of
sweep
synchronization.
This
mode
is
most
effective
about
5
me.
Operating
Instructions -
Type
515/515A
2-3
http://manoman.sqhill.com