Controls, Connectors, and Indicators
Rear
Panel
Refer to Figure 5-7 for the location of items 48 through 58.
(48) A GATE OUT
andBGATE
OUT
Provide TTL-compatible, positive-going gate signais that
are HI during their respective sweeps and LO 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.
(49) Line Voltage
§)
S)
§)
**~s
53)
^—'
54)
Selector
Switch
EXT Z-AXIS
IN Connector
Fuse Holder
Detachable
Power Cord
Receptacle
CH 2 SIGNAL
OUT
Connector
Mod Slots
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.
[55) STEP/AUTO
EXT Switch
Connector
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.
2465B/2455B/2445B Operators
5-27
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