Zero Indicator Function - Omron HBP-1100 Instruction Manual

Zero indicator function

Before each measurement, this monitor indicates that "zero calibration"
was successful.
When the power is turned on
The entire indicator blinks and then "zero calibration" starts. When
completed, appears.
When the power is already on
When measurement is started, "zero calibration" takes place from the
ready screen (which shows "0"). When completed, appears.
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