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When the Message “bAt Lo” is displayed on the digital display it indicates that the battery
power is too low for dependable readings and the indicator will no longer operate.
Replace batteries to resume use of the indicator. Refer to Section 7.2 for battery replace-
ment.
6.9.2 Lockout
When the message L0C.0000 is displayed it indicates the feature is locked out and
requires a password to access it (see special options, Section 10).