A&D GP-20K Building Set User Manual


 
28
7-4 Calibration Using an External Weight
This function calibrates the balance using an external weight.
Operation
1 Plug in the AC adapter and warm up the balance
for at least 30 minutes with nothing on the pan.
2 Press and hold the CAL key until Calout is
displayed, then release the key.
3 The balance displays Cal 0 .
If you want to change the calibration weight (a
list of usable weights is shown on page 25),
press the SAMPLE key and proceed to step 4.
If you use the calibration weight value stored in
the balance, proceed to step 5.
4 Specify the calibration weight value as follows:
SAMPLE key To switch the display
condition to: “All of the
segments blinking”
(calibration weight selection
mode) or “The last two digits
blinking” (value adjustment
mode).
RE-ZERO key To select the calibration
weight or adjust the value. In
the value adjustment mode,
-15 digits appear after +15
digits.
PRINT key To store the new weight
value. Even if the AC
adapter is removed, the data
is maintained in non-volatile
memory.
CAL key To cancel the operation and
return to Cal 0 .
Note
Digit, when used for the GP series balance,
indicates the smallest displayable weighing value.