switch with the delay time deter-
mined
by
the setting of the
DELAY
TIME
(ATIME/DIV)
switch and the DELAY-TIM E
MULTIPLIER dial. Sweep mode
determined
by
B SWEEP MODE
·switch.
MIXED: First part of a horizontal
sweep displayed
at
a rate set by
the A TIME/DIV switch and
the
latter part of the sweep
at
a rate
set by the B
TIM
E/D
IV
switch.
Relative amounts of the display
allocated to each
svyee~
rate are
determ ined by the setting
of
the
DELAY-TIME
MULTIPLIER
dial.
X-V:
Permits
X-V
operation when
the
TRIGGER switch
is
set
to
CH
1 ONLY
OR.
X-V.
Signal
applied to the INPUT
CH
1
OR
X connector provides
the
X-axis
deflection, and the signal applied
to
the INPUT
CH
2
OR
Y con-
nector provides the Y-axis
de-
flection.
10
454A
MAG
A
SWEEP
MODE
(Magnifier) Increases sweep
rate
to
ten times setting of
the·
A or B
TIME/DIV switch by horizontally
expanding
the
center division of the
display. Light indicates when
mag-
nifier
is
on (magnifier inoperative
in
X-V
mode).
Determ ines the operating mode for
A sweep.
AUTO TRIG: (Automatic Trigger)
Sweep Initiated by the applied
trigger signal
at
point selected by
the
LEV E
L/S
LO
P E control
when
the
trigger signal repetition
rate
is
above about
30
hertz and
within the frequency range selec-
ted by
the
COUPLI
NG
switch.
Triggered sweep can
be
obtained
only over the amplitude range of
the
applied trigger signal. When
the
LEVEL/SLOPE control
is
outside
the
amplitude range,
the
trigger repetition rate
is
below
the
lower frequency limit (or
above upper limit for
AC
HF
®
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