OHAUS 3000 Series T31, Service Manual

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CHAPTER 1
GETTING STARTED
1.10 LEGAL FOR TRADE (LFT)
NOTE : When LFT is set to ON through the LFT sub-menu, and the LFT switch on the Main
PCB is set to ON (see Figure 1-1, page 1-4), the following menu settings cannot be changed:
Span Calibration, Linearity Calibration, Calibration Unit, GEO, LFT, Capacity,
Graduation, Zero Range, Stable Range, AZT, Modes, and Units.
To enable editing of these menu settings, open the Indicator and return the LFT switch on the
Main PCB to the OFF position. Then set the LFT menu item to OFF, as follows:
1. Press and hold TARE/Menu until C.A.L. appears, then press No .
2. S.E.t.U.P appears. Press Yes .
3. rESEt appears. Press No .
4. LFt appears. Press Yes .
5. OFF appears. Press Yes .
6. LFt appears again. Press No . Continue to press No until END appears. Press Yes .
(Or simply press Exit after leaving the LFT menu.)
7. The Indicator returns to weighing mode. It is now possible to use the abovementioned
menus.
After the LFT/CAL Lock setting has been turned off, the scale must be inspected in accordance
with local weights and measures regulations before it can be used in LFT mode again.
The weights and measures official may apply a wire or paper security seal as shown below.
Figure 1-7. T31P Wire Seal. Figure 1-8. T31P Paper Seal.
SEAL
Figure 1-9. T31XW Wire Seal
SEAL
Figure 1-10. T31XW Paper Seal
3000 Series T31 Indicator Service Manual 1-13 Ohaus Corporation www.ohaus.com