Lovibond Maxi Direct, Инструкция по эксплуатации, Страница: 248 / 268

246 MaxiDirect_2c 03/2010
User Polynomials
It is possible to enter and store up to 25 User Polynomials.
The program allows the user to apply a Polynomial up to the 5th degree:
y = A + Bx + Cx
2
+ Dx
3
+ Ex
4
+ Fx
5
If only a Polynomial of a lower degree is necessary the other coefficients are specified as
zero (0), e.g.: for the 2nd degree is D, E, F = 0.
The values of the coefficients A, B, C, D, E, F must be entered in an academic notation with
maximal 6 decimal places, e.g.: 121,35673 = 1,02
<User polynoms>
choose no.: ____
(800-824)
Entering a User Polynomial:
Press [MODE], [Shift] + [6][5] keys.
Confirm with [ ] key.
The display shows:
Enter a method number in the range from 800 to 824,
e.g.: [Shift] + [8][0][0]
Prepare the second standard and press [Test] key.
The display shows the input value and the measured absorp-
tion value. Confirm with [ ] key.
Note:
• Perform as described above to measure further stan-
dards.
• The minimum of measured standards is 2.
• The maximum of measured standards is 14 (S1 to S14).
If all required standards or the maximum value of 14 stan-
dards are measured press [Store] key.
The display shows:
The instrument goes back to the mode menu automati-
cally.
Now the concentration is stored in the instrument and can
be recalled by entering its method number or selecting it
from the displayed method list.
TIP:
Save all your concentration data in a written form because in case of power outage
(e.g. changing the battery) all concentration data will be lost and must be entered again.
You might want to use Mode 67 to transfer all concentration data to a PC.
stored!
S2: 0.10 mg/l
prepare
press TEST
S2 accepted
S3: +________
| ESC | F1 | Store
S2: 0.10 mg/l
mAbs: 150
Mode
5 6
8 0 0
Store