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2.
Fast
Mode.
1" the
fast
Mude -
FEEDBACK
Switch
at FAST -
the
effects
of
inp"t
cable
capaci-
tance
may be reduced
for
measurements
fcum very
high
source
resistances.
Guarded
valtage
measuremenr~
may aiso
be made.
d.
normal
lode
voltage
Measurements
ZERO CHECK ButtOn
LOCK
RANGE Switch
VOLTS
SENSITIVITY
Switch
Fully
Cluckwise
FEEDBACK Switch
NORMAL
TO make aff
graund
measureme"zs,
refer
'CO
Paragraph
2-6.
2.
connect
the
Modei
6011 Trianial
Input
Cable
eo the
unknown
voltage
as fallows:
a)
the
heavy
wire
with
red clip
cover
should
be connected
to
the
source
high
potential.
c)
The thin
wire
wirhgrceaclip
cover
should
not
be connecred
when
the
shorting
link
between
LO end CASE Terminals
on the
rear
panel
is
con-
nected.
3.
""lock
the
ZERO CHECK Button
eo make a mea-
surement
4.
Adjusr
the
SENSITIVITY
Switch
c~unrercL~ckwie.e
LO increase
the
Model
615 sensitivity.
Readjust
rhe
ZERO control
as necessary
after
each
change
in
sen-
sitivity.
5.
The voltage
measured
is
indicated
directly
0"
the
digital
display
with
the
decimal
poinr
automat-
ically
indicated.
The poiarity
is
auLomatical,y
indicated
corresponding
CO Lhe potential
of
the
Electr~merer
input
high
with
respect
to
input
low.
NOTE
The Model
615 has
100% overranging
on all
ranges
except
for
rhe
100 volt
full
range
sensitivity.
An overload
on any range
is
indicated
by a blanked
digital
display,
a
feature
which
averts
erroneous
readings
when 200% of
full
range
Is
exceeded.
The
digital
display
is
Lighted
when
the
over-
load
is
removed.
e.
~aat
Mode voltage
Measurements
1.
set
the
frant
panel
controls
as follows:
ZERO CHECK Butfc'n
LOCK
RANGE Switch
SENSITIVITY
SWitCh
VOLTS
Fully
Clockwise
FEEDBACK Switch
FAST
NOTE
To make off
ground
measurements.
refer
to
Paragraph
2-6.
0470
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