Specifications

CHANNEL
Key The
top key in
the channel
menu
is for
channel
selection.
This key
toggles
between
channels
L,
\
and etrernal. When
a channel
is
selected
(highlightgd
in
inverse
video) it can then
be turned on.
When
a channel is
turned
on the
small circle
imnediatelv below
the channel number is
highlighrcd.
Note
h is
possible
to have
a channel
tumed
on and view while
beingin
the vertical
control
menu of another
channel.
lVhen
making
changes,
enEure
you
have the
proper
channel andfunction
selected
and
you
are changing
the channel
you
intend to change.
Vertlca:
The vertical
sensitivity key is the third
key
from
the top
in
the channel
menu. The
field
itself is not
labeled,
holever,
the current volts/division is
displayed with
the units of the
current selection. When
this function is
selected,
either
ofthe entry
devices can
be used
for
data entry.
The range
of
the
vertical sensitivityfor
the HP
54510Ais
from
1 mV/division
to
5
V/division.
Vertical
sensitivity
changes in a L-2-5
sequence with
the knob.
When the
front-panel
FINE key is
selected,
fully
calibrated vernier
adjustments
can
also
be
made
using direct keypad
entry
or the
knob.
Sensitivity
Key
offset Key
Channel Menu
*2
When
offset
is
selected,
the
trace can be moved
up or down
with
the knob
or the keypad.
Offset
moves the
voltage
level
at
mid-screen.
Offset moves
the displayed
signal up or down, similar to
the
vertical
position
adjustment
on
an analog
oscilloscope. However,
because this
oscilloscope
has
a true dc
offset at the
front
end,
it
provides
a
much
wider
offset range.
The
offset
voltage
(referenced
to the
vertical midpoint
of the
HP
545tOA
Front-Panel Reference