TM 11-6625-2735-14-1
INVERT
VERT MODE
CH 2: Any signal that is dis-
CH 2 OR X-Y: Displays
played in CH 2 of VERT MODE,
Channel 2 only. Must be pushed
in full bandwidth position, is
when operating in X-Y mode.
viewed with an increase in
signal amplitude.
A and B Triggering (both where applicable)
LINE: The power line signal is
displayed at an amplitude ap-
COUPLING
Determines the method used to
proximately equalling full ver-
couple signal to input of trigger
tical graticule deflection.
circuits.
EXT: The signal present at the
A TRIGGER external input con-
nector will be displayed.
EXT 10: The signal present at
the A TRIGGER external input
connector will be displayed, but
will be reduced approximately
10 times of that viewed in EXT.
Pushbutton switch that inverts
the Channel 2 display.
Selects the vertical mode of
operation.
CH 1: Displays Channel 1 only.
SOURCE
ALT: Dual-trace display of
signals using both channels.
Display is switched between
channels at the end of each
sweep.
ADD: Signals applied to the
CH 1 OR Xandthe CH 2 OR Y
connectors are algebraically
added and the sum is displayed
on the crt. The INVERT switch
in Channel 2 allows the display
to be CH 1 + CH 2 or CH 1 – CH
2.
CHOP: Dual-trace display of
signals on
both channels.
Display is switched between
channels at an approximate
repetition rate of 1 megahertz.
AC: Rejects DC and attenuates
signals below about 60 Hz.
Accepts signals above about 60
Hz.
LF REJ: Rejects DC and atten-
uates signals below about 50
kHz. Accepts signals above
about 50 kHz.
HF REJ: Accepts signals
between 60 Hz and 50 kHz.
Rejects DC and attenuates all
signals
outside the above
range.
DC: Accepts all trigger signals
between DC and 200 MHz or
greater.
Selects source of trigger signal.
NORM: Internal trigger signal
obtained from Vertical Defect-
ion System. Actual source is
signal(s) displayed on crt.
CH 1: A sample of the signal
connected to the CH 1 OR X
input connector is used as a
trigger signal.
CH 2: A sample of the signal
connected to the CH 2 OR Y
input connector is used as a
trigger signal.
EXT: Trigger signal obtained
from signal connected to the
External Trigger Input connec-
tor.
2-5
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