Ask about the service time of Agilent liquid 1 100 UV lamp.

1. Turn on the instrument: press the power button on the instrument control panel and wait for the instrument to start.

2. Enter the help menu: select the "Help" menu on the instrument control panel and press the confirm button.

3. Inquire about the usage time: select the "About" option in the help menu and press the confirm button, and the system will display the relevant information of Agilent Liquid Phase 1 100, including the production date and usage time of the instrument.

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