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Model 190 Installation, Technical and Operation

8400-M022-O1 Rev J

Page 65

4.12 Key Lockout Feature

The Key Lockout Feature allows keys on the indicator to be disabled for

use by the operator “during normal operation”. During normal operation,

when the operator presses a locked key, the display will show LoCd for

about a 1/2 second and the key will be ignored.

NOTE: The Key Lockout Feature only disables keys for use

during normal operation, not setup and calibration.

LoCoUt

With LoCoUt displayed, press the TARE  key. The display will change

to show 2ero=. Proceed to the 2ero= parameter.

LCoUt?

With LoCoUt? displayed, press the TARE  key. The display will

change to no. Press the Fn/ key to toggle to yes and then press the

TARE  key. The display will change to 2ero=. Proceed to the 2ero=

parameter. Otherwise, to skip the Key Lockout Feature setup, press the

TARE  key to advance to the opt?. prompt.

2Ero= (ZERO Key)

Press the TARE  key to show the current setting. If the setting displayed

is acceptable, press the TARE  key again to save it. Otherwise, use the

Fn/ key to toggle to a new setting and then press the TARE  key to

save it.

UnLoCd

LoCD

Key is Unlocked (Enabled)

Key is Locked (Disabled)

tAre= (TARE  Key)