LS-100
March 2007
Quick ROM Replacement Instructions, V2.00
Follow these instructions whenever you need to change the scale’s ROM and
have no way to
backup and restore the data.
Please note that this procedure may
NOT
guarantee that the scale
will retain the data.
1.
Upper Case Disassembly:
a. Remove the AC cord from the scale and the electrical outlet.
b. Remove the platter and the Cassette Drawer from the scale.
c. Remove the platform by removing the four 4 mm hex bolts that hold it in place.
d. Remove the 4 Upper Case screws (1 brass sealing bolt and 3 Phillip’s screws.)
e. Remove the 3 screws underneath the bottom front edge of the scale.
f. Lift the Upper Case upwards and towards you making sure not to damage the
keyboard ribbon cable or the CAL Switch PCB cable.
2.
ROM Replacement:
a. Remove the 4 screws located at each corner of the RF Shield (“metal box”).
b. Remove the RF Shield so as to expose the Main PCB.
c. Remove the old ROM; be very careful not to damage or scratch the Main PCB. Don’t
forget to return the old ROM.
d. Insert the new ROM in the socket making sure to align all of the pins and that the
notch matches the socket’s notch (pointing away from the front of the scale.)
e. Replace the RF Shield making sure that all of the cables and wires are properly fed
through their respective holes in the RF Shield. Make sure NOT to crimp any wires.
f. Replace the 4 screws that hold down the RF Shield.
3.
Uppercase Reassembly:
a. Place the Upper Case back onto the scale chassis so that all of the Upper Case
holes are align for all 4 screws.
b. Attach all 4 Upper Case screws making sure that the case is aligned properly.
c. Attach the 3 screws that go along the bottom underside front-edge of the scale.
d. Reattach the platform with the four 4 mm hex bolts that hold it in place.
4.
Setup:
a. Plug the AC cord into the scale and then into an AC outlet.
b. Make sure that the Power switch is OFF.
c. Press and hold down the CAL switch and turn the scale ON.
5.
Default Parameter Settings:
a. Press
1
3
.
b. Press
7
7
5
5
9
1
.
c. Wait three seconds.
d. Press
ESC
ESC
ESC
.
6.
Label Format Setting
(This is for LST-8010 only)*
:
a. Press
1
4
2
3
3
and then
.
b. Insert the Cassette Drawer and platter onto the scale.
*Note: If you are using another label with a different format number then you need to change the last 2 numbers in
Step a to be the format number. For example, if the format is 40 then you need to enter 1, 4, 2, 4, 0 for Step a. If you
do not know the label format number or are unsure then DO NOT do Step 9.
