Manual No. 0158A
19/68
IWB
−
IWX Series (Overseas Use) Service Manual
In the case of intentional fine tuning of the span
1.
After the span adjustment, press the [COLUMN] key ON
while A/D data is displayed.
Tri
−
(trimming)
(This can be done with the weight left loaded.)
2.
Press the [ZERO(+)] key, and after Tri
−
U appears in the
display, press the [ZERO(+)] key for appropriate times.
Span will be changed to the plus direction.
3.
Press the [TARE(
−
)] key, and after Tri
−
appears in the
display, press [TARE(
−
)] key for appropriate times. Span
will be changed to the minus direction.
Note
Variance by 1 time of pressing depends on the
scale model, but is approximately 1 count.
4.
Press the [COLUMN] key ON, and the display returns to
A/D data.
Load weight to confirm the A/D data, and adjust by
repeating 1 and 2, or 3.
5.
After the adjustment completes and pressing the
[COLUMN] key, store the data.
y
Location of the Memory Switch (SW1 in the main circuit board)
Remove the approval seal (can not be re-used), seal screws (M4 x 15), and 10 case fixing screws (M4
x 20 hexagonal headed with flange).
Open the rear cover with care so as not to pressure on the harness between the rear cover and each
circuit board, and press the Memory Switch.
Gasket washer
M4 x 20 hexagon headed
screws with flange
M4 x 15
truss
headed
screw
Main circuit board
Memory Switch
Approval seal