Operating
lnformation-465
Horizontal
POSITION
X10
MAG
B DLYD: Sweep rate determined
by
the B TIME/DIV switch with
the delay time determined
by
the setting of the DELAY TIME
(A
TIME/DIV) switch and the
DELAY-TIME POSITION dial.
Positions the display horizontally.
Increases the displayed sweep rate
by
a factor of 10.
Calibrator and Power
CALIBRATOR
POWER
LOW
LINE
Rear
Panel
A+GATE
B +GATE
CH
1 VERT
SIGNAL OUT
EXT Z AXIS
INPUT
Regulating Range
Selector
A combination current loop and
square-wave voltage output device.
Provides a 30
mA
square-wave
current, 300 m V square-wave volt-
age
signal with a repetition rate of
approximately 1 kHz.
Turns instrument power
on
and off.
Light
that
indicates the applied line
voltage
is
below the lower limit of
the regulating range selected
by
the
Regulating Range Selector assem-
bly.
Output
connector providing a
pos1t1ve-going rectangular pulse
coincident with the A sweep time.
Output
connector providing a
pos1t1ve-going rectangular pulse
coincident with the B sweep time.
Output
connector providing a
sample of the signal applied
to
the
CH
1 input connector.
Input connector for intensity mod-
ulation of the CRT display.
Selects the regulating range of the
internal
power supplies (low,
medium,
high; determined
by
specific line voltage applied to
in-
strument).
OBTAINING
BASIC
DISPLAYS
Introduction
The following instructions
will
allow the operator who
is
unfamiliar with the operation of the 465
to
obtain the basic
2-6
displays commonly used. Before proceeding with these
instructions, preset the instrument controls
as
follows:
Vertical Controls
VERT
MODE
Switch
CH
1
VOLTS/DIV Switches Proper position determined
by
amplitude of
signal
to
be
applied.
VOLTS/DIV
VAR
Controls
Calibrated detent
Input Coupling Switches
AC
Vertical POSITION Controls
Midrange
20
MHz
BW
Switch Not limited
INVERT Switch Button
out
INTENSITY Control Fully counterclockwise
FOCUS Control Midrange
SCALE
ILLUM
Control Midrange
Trigger Controls (both A and B
if
applicable)
SLOPE Switch
+
LEVEL Control
0
SOURCE Switch
NORM
COUPLING Switch
AC
TRIG
MODE
Switch
AUTO
A TRIG HOLDOFF Control
NORM
Horizontal Sweep Controls
TIME/DIV Switches Locked together at 1
ms
A TIME/DIV
VAR
Calibrated detent
HORIZ DISPLAY Switch A
X10
MAG
Switch Off (button out)
POSITION Control
Midrange
Normal Sweep Display
1.
Set the
POWER
switch
to
on (button out). Allow
several minutes for instrument warmup.
2.
Connect the external signal
to
the
CH
1 input
connector.
3. Advance the INTENSITY control until the display
is
visible.
If
the display
is
not
visible with the INTENSITY
control
at
midrange, press the
BEAM
FIND pushbutton and
adjust the
CH
1
VOL
TS/DIV switch until the display
is
reduced
in
size vertically. Then, center the compressed
display with the vertical and horizontal POSITION con-
trols, and release the
BEAM
FIND pushbutton. Adjust the
FOCUS control for a well-defined display.
4. Set the
CH
1 VOLTS/DIV switch and
CH
1
POSI-
TION control for a display which remains
in
the display
area vertically.
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