A&D GF-1000, Instruction Manual

Page: 44 / 82

42
10-9 Comparator Function
The results of the comparison are indicated by HI OK LO on the display.
Operating conditions: No comparison
Comparison when the weighing data is stable or overloaded, excluding
“near zero”
Comparison when the weighing data is stable or overloaded, including
“near zero”
Continuous comparison, excluding “near zero”
Continuous comparison, including “near zero”
To compare, use: Upper limit value and lower limit value
Reference value and tolerance value
Input method: Digital input
Weighing input
Command input from a computer (Refer to “18. COMMANDS”.)
Note
"Near zero" means within
±
10 digits of the minimum weighing value. For example, using a GF-2000
in gram mode, near zero is within
±
0.10 g.
For the description of “Comparator mode ( Cp fnc )”, refer to “10-3 Details of the Function Table”.
Setting example 1
(Continuous comparison, excluding “near zero”, reference value and tolerance value, digital input)
Selecting a comparator mode
1 Press and hold the SAMPLE key until
ba5fnc
of the function table is displayed.
2 Press the SAMPLE key several times to display Cp fnc .
3 Press the PRINT key.
4 Press the RE-ZERO key several times to display
Cp 3
.
5 Press the SAMPLE key several times to display Cp in .
6 Press the RE-ZERO key several times to display Cp in 2 .
7 Press the PRINT key to store the selected mode.
Entering the reference and tolerance values
8 With
Cp ref
displayed, press the PRINT key. The current setting is displayed with all the
digits blinking.
When the current setting is not to be changed, press the PRINT or CAL key to proceed to
step 9.
When the current setting is to be changed, press the RE-ZERO key. Change the setting
using the following keys.
SAMPLE key To select the digit to change the value.
RE-ZERO key To change the value of the digit selected.
MODE key To switch the polarity.
PRINT key To store the new setting and go to step 9.
CAL key To cancel the new setting and go to step 9.