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Model 5528A
Controls.
Connectors,
Indi
ca to
rs
16-12
To View
the
Current V.O.L. Compensation Number
To
view
the current
co
mpensation
number,
just press the V.O.L. key.
Successive
presses
of V.D.l. will
give
the air temperature,
the
air pressure,
and finall
y
the
air
humidit
y,
as
shown below
.
Air
Temperature
:
E
x x.
x
XCH
E
x
x. x
x
FI
Air
Pressure:
p
x x. x
x
I
or
I
p
x
x.
x
x
mm
in
Relative Humidity
:
H
Since all
three
va
lues
are
provided
by
the
Air
Se nsor,
they are
either all
present
or all
absent
,
unless
a sensor error or failure
has
occurred.
If
the
Ai
r
Sensor
is used,
the
compensation number
is
updat
ed
approxima
tely
every
three seconds
by
the
Measu
rement Display unit.
If
you select some
other
function while an Air Sensor value
is
being
displayed
,
and then
press
V.O.L.. the di splay
will go
back to showing the
last
displayed Air Sensor value;
successive
presses
of V.O.l. will cycle
through the
Air Sensor values,
as
described
above.
For
example,
if the
air
pressure is being monitored,
and
you want to momentarily
select another
function
,
when th
e
V,Q,l.
bullon
is
pressed
again,
the (irst data di splayed
will be
the
air
pressure.
Successive
presses
of the V.O.L. key will
then
give air humidity
and then
a
return
to
the current
measurement mode.
To Enter A V.O .L. Compensation Number
See "GE
NERAL
" info
rm ati on for
SET
UP
keys,
above.
NOTES
1.
Th
e
M
eas
urement Display unit accepts
a
manually-entered
V,O.L. va
lue
only
when an
Air
Sensor
is
not
con
neCled at it
s
rear
p anel.
2.
The
allowable range
of va lues
for V.O.L.
is-
" 0"
to
"999,9"
The Measurement
Display
unit
will also
allow
you
to
enter the
value
" 1000.0"
.
Thi
s is
a
specia
l
case
that
sets
the
V.O,L.
co
mpensation number
to "
1.0000000
";
i.e
.;
there
is
no co
m-
pen
satio n.
),
If
an
Air
Senso
r
is no
t connected
to
the Measurement Display
,
and you
do not manually
enter
a
V,Q.L.
co
mpensati on factor
;
the
com
pensati on for "standard
"
air
temperature, pressu re.
and
humidity
is
assigned;
this
value
is
"728.8",
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