12. NUMERIC (0-9)
KEY is used for setting numeric data for sample
limit weight of checking.
13. TARE
KEY deducts the gross weight on the platter (box or
container etc.) as the tare weight and the preset tare weight.
14. MEMORY CANCEL [MC]
KEY is used for memory recall and
press
[ENT]
key for canceling the memorized data.
15. CE
KEY is used for canceling the numeric setting data or the
previous setting weight data.
16. UNIT
KEY is used for select a weighing unit.
Ⅲ
. OPERATION:
1. ZERO:
Press [ZERO] key to zero the scale.
2. The weighing mode:
1). There are two weighing mode. You may select
[CHECK WT]
weighing mode or
[ WT]
weighing mode
2). The operation of the two weighing mode:
Power ON, the display will show “0” and
[CHECK WT]
or
[WT]
indicator. If the display indicates the
[CHECK WT]
indicator, press
[CHECK WT]
key, the first row of LCD display will show “SET-L”, the
second row of LCD display will show flash “0.0000”, press digital
key(0~9) input the lower limit, press
[CHECK WT]
key, now input
lower limit alarm is complete. the first row of LCD display will show
“SET-H”, the third row of LCD display will show flash “0.0000”, press
digital key(0~9) input the upper limit, press
[CHECK WT]
key, now
input upper limit alarm is complete. Place weight on the platter, the
display will show weighing value.
Press [WT] key, the display will show [CH=2], press
[ENT]
key again,
the display will show
[WT]
indicator, press digital key(0~9) input the
preset the tare weight, press the
[TARE]
key, the first row of LCD
display will show a negative number of preset the tare weight, the
second row of LCD display will show preset the tare weight, Place
weight on the platter, the first row of LCD display will show net weight,
the second row of LCD display will show preset the tare weight, the
third row of LCD display will show gross weight.
3. The conversion of the two weighing mode:
when the display shows
[WT]
indicator, the scale is
[WT]
weighing
mode; press
[CHECK WT]
key, the display will show [CH=1], press
[ENT]
key again, the display will show
[CHECK WT]
indicator, the
scale is in
[CHECK WT]
weighing mode
。
when the display shows
[CHECK WT]
indicator, the scale is
[CHECK
WT]
weighing mode; press
[WT]
key, the display will show [CH=2],
press
[ENT]
key again, the display will show
[WT]
indicator, the scale
is in
[WT]
weighing mode
。
Ⅳ
.CALIBRATION
How to calibrate
1.
Before entering calibration mode, the power is turn on for 1minute.
2. Enter calibration mode
Turn the power off. Take off the short circuit connector plug (jumper) at
the board and plug in 2
、
3 socket(near the IC), then place the scale on a
flat, stable surface. Turn the power on, the display will show the empty
load A/D value.
3. Calibration by the weight
Wait for the stable A/D value to be displayed, Press
[ZERO]
the
2
3
