Honda EB10000 Owner's Manual page 22

CONTROLS & FEATURES
i-Monitor Display
The four-digit screen displays the total operating hours, battery
voltage, and power output voltage or any activated error messages.
FOUR-DIGIT SCREEN DISPLAY
Total Operating Hours
This mode displays the total operating hours of the generator. When
the generator is running, the total operating time accumulates.
The total operating hours can show from 0 up to 9,999 hours. When it
reaches 10,000 hours, the display returns to ''0''.
When the total operating hours reach 29,999 hours, the i-monitor will
continuously show 9,999 hours.
Base the generator's maintenance schedule on the accumulated time
displayed.
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