Legal For Trade (Lft) - OHAUS Explorer Instruction Manual

4.7 Legal for Trade (LFT)

Legal for trade (LFT) is a software controlled option which can be set LFTLOCK. When set to LFTLOCK, certain
items in the Calibration, Readout, Print, Function and Units menus are automatically preset and locked to permit the
balance to operate in a legal for trade application and works in conjunction with a Lockswitch. Default setting is
UNLOCKED. See default table.
DEFAULT TABLE
LFT and Lockswitch Menu lock
Date Menu Unlocked
Time Menu Unlocked
Calibration Menu
Span, Linearity, User Locked
CalTest Unlocked
Internal Calibration Unlocked
Readout Menu
Stability Unlocked
Auto zero Unlocked
Filter Level Unlocked
GLP Data Menu Unlocked
GLP Selections Unlocked
Print Options Unlocked
RS232 Menu Unlocked
LFT Menu Lockswitch Locked
Mode Menu Locked
Units Menu Locked
Global Menu Locked
Custom Menu Unlocked
* Units oz and oz t cannot be simultaneously enabled.
If Print Numeric Data is turned ON, then Print Stable Data Only is
locked ON.
Procedure
Default Value
.5d (limited to .5d and 1d)
.5d (limited to OFF and .5d)
-1-
Weigh
Grams*
32
• Press the Setup button, CAL is displayed.
• Press or button until LFT is displayed.
• Press Enter button to continue.
• Press or button and select LFTLOCK.
• Press Enter button to continue.
• Press or button and select either ON or OFF.
• Press Enter button to save setting.
• Press or button to select next item or EXIT.
• Press Enter button to continue.
NOTE: For legal for trade applications, the balance must
be physically sealed.
When the balance is first turned ON and LFT has been
previously set ON, the following display will appear if LFT
is set in the menu and the Lockswitch is set ON.
When the balance is first turned ON and LFT has been
previously set ON, the following display will appear if LFT
is set in the menu and Calibration menu is locked, and
the Lockswitch is set ON.
The display check countdown appears only in the first 30
seconds after plugging it in and only when the balance
has been previously set with Type Approved/Legal for
Trade set ON.
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