INTERSTEEL 0099.405507, User Manual

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2. Low power indicator:
When the batteries are running low, a red battery
shape indicator will appear on the screen. Please
change batteries when this indicator appears.
Installation and replacement of the batteries
1. Slide the cover to the left to open.
2. Install the batteries in accordance with the +/- sign.
3. Reverse this process to close the cover.
Vibration alarm function
The vibration alarm function is shut by default at the
factory. The vibration alarm function needs to be
started by pressing the power button for 3 seconds
when display turns on. The buzzer emits three beeps
and a vibration alarm icon appears in the lower
right corner of the display, which indicates that the
vibration alarm function starts. To shut the vibration
alarm function needs to press the power button for