Controls, Connectors,
and
Indicators
Rear Panel
Refer to Figure
5-7
for the location of items 47 through
57.
®
@
@
@
@)
@
@
A GATE
OUT
and B GATE
OUT
Connectors
Line
Voltage
Selector
Switch
EXT Z-AXIS
IN
Connector
Fuse
Holder
Detachable
Power Cord
Receptacle
CH
2 SIGNAL
OUT
Connector
Mod
Slots
STEP/AUTO
EXT Switch
Connector
Provide TTL-compatible, positive-going gate
signals that
are
HI
during their respective sweeps and
La
while the
sweep
is
not running. When the A SEC/DIV switch
is
set
to 5 ns per division, a gate
signal
is
present at both the
A GATE
OUT and the B GATE OUT connectors.
Selects either 115 V or 230 V nominal ac-power -source
voltage.
Provides
an
input for external signals to modulate the
display intensity.
Contains the ac power-source fuse.
Connects the ac power source to the instrument.
Supplies a normalized signal that represents the
Channel 2 input signal.
Contain identification of any installed instrument
modifications.
A connector on the rear
panel accepts a standard, 2.5-
mm,
micro-phono plug, compatible with some commonly
available
remote-control switches for audio recorders. A
contact
closure or TTL-low at this input produces the
same effect as operating the STEP/AUTO button.
2465A/2455A/2445A Operators
5-25
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