Graco 127650 Instructions Manual page 16

K 4.2.1
EN
ACTION
1
NONE
NEXT in Standby
LONG CAL key keying
CAL CAL CAL
The NEXT enters calibration mode, shows <<CAL>> and displays
the calibration factor in use instead of partial. The words "Fact" and
"USER" indicate which of the two factors (factory or user) is currently
in use.
2
Important: This factor is that which the instrument also uses for fiel
calibration measurement operations
LONG RESET key keying
The NEXT shows "CAL" and the partial at zero. The NEXT is ready to
RESET RESET RESET
perform in-field calib ation.
3
4 DISPENSING INTO SAMPLE CONTAINER
Without pressing any key, start dispensing into the sample container
Dispensing can be interrupted and started again at will. Continue
dispensing until the level of the fluid in the sample ontainer has
reached the graduated area. There is no need to reach a preset
quantity.
SHORT RESET key keying
The NEXT is informed that the calibration dispensing operation is
RESET
finishe .
Make sure dispensing is correctly finished before performing this operation.
To calibrate the NEXT, the value indicated by the partial totaliser (example
5
9.800) must be forced to the real value marked on the graduated sample
container. In the bottom left part of the display an arrow appears (upwards
and downwards), that shows the direction (increase or decrease) of the value
change displayed when the following operations 6 or 7 are performed.
SHORT RESET key keying
The arrow changes direction. The operation can be repeated to
RESET
alternate the direction of the arrow.
6
7 SHORT/LONG CAL key keying
The indicated value changes in the direction indicated by the arrow
CAL
- one unit for every short CAL key keying
- continually if the CAL key is kept pressed. The speed increase rises
CAL CAL
CAL
by keeping the key pressed. If the desired value is exceeded, repeat
the operations from point (6).
LONG RESET key keying
The NEXT is informed that the calibration procedure is finishe .
RESET RESET
RESET
Before performing this operation, make sure the INDICATED value is
the same as the REAL value.
.
8
The NEXT calculates the new USER K FACTOR ; this calculation could
require a few seconds, depending on the correction to be madeù
NOTICE
If this operation is performed after action (5), without
changing the indicated value, the USER K FACTOR would
be the same as the FACTORY K FACTOR, thus it is ignored.
16
IN-FIELD CALIBRATION PROCEDURE
Indicated value Real value
Indicated value Real value
DISPLAY
M0303