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Section III
Model
DRC-93C
0 . 0
3 . 9 . 3 . 2
Entering
New Curves
02-31
6.5536
The user should know what Curve# is
available for new data by keeping
in the displays. The 02 in the Set-
accurate records and updating Table
point Display is the Curve# and the
3-3
as curves are added.
If an
31
indicates that there are
31
lines
error is made in record keeping, the
(or points)
in the curve data.
instrument will catch it since
00
Points are numbered from
1
to the
number of points indicates an avail-
total number of points---here
31.
able set of data storage.
The
0 . 0
in the Upper Display is the
It is suggested that the curve data
temperature in kelvin for point
#31
be put in ascending Raw Units order
and the
6.5536
the sensor voltage of
prior to the curve entry session.
point
#31
(at
0 . 0
K ) .
The data must be in ascending units
order.
The temperature will follow
NOTE:
A S t a n d a r d Curve
cannot
be
the temperature coefficient of the
edited, but
the standard
curve data
curve being entered.
The tempera-
can be examined.
ture will be in decreasing order for
a negative temperature coefficient
To examine Point#12 first hit the
curve and increasing for a positive
POINT# key.
The Point# in the Set-
temperature coefficient curve.
point Display will begin to flash.
Enter
12
using the keypad followed
Let us say that we wish to enter a
by the ENTER key. The displays will
new set of curve data into an avail-
read
able slot at Curve#21.
From normal
operation, the user presses the PROG
115.0
key followed by the
CURVE#
key to
02-12
enter the Curve Programming routine.
0.9445
Pressing the 2,
1
and ENTER keys
tell the instrument to find Curve#21
to
indicate
that
Point#
12
of
and will indicate that it is avail-
Cuwe#02 is
0.9445
volt at 115.0 K.
able by showing
00
number of points.
The displays will read as follows:
At any time that the POINT# key is
appropriate, the
A
key and
key can
-----
be used to examine the next higher
21-00
numbered point and lower numbered
-----
point respectively.
If the
key
was pressed after point# 12 was
The dashes indicate there is no data
displayed
in
the
example
given
present for curve number
21.
No
above, the display would change to
entries will flash.
At this time,
one of four keys can be selected;
0.9857
The PROG key will abort the curve
programming and return the instru-
The
A
key and
key do not operate
ment to normal operation.
when the instrument is requesting a
curve#, temperature, or voltage.
Pressing the CURVE# key will cause
the Curve# portion of the Setpoint
To
exit
the
Curve
Programming
Display to flash allowing the user
routine hit the PROG key.
to select another curve.
95.0
PROG, CURVE#, or POINT#.
02-13
3-14
COPYRIGHT
3/88
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