Lenovo C400 manual Resetting the lamp timer, Using the security slot

Models: C400

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Resetting the lamp timer

Attention: This product contains a Metal Arc Lamp, which contains Mercury.

Dispose of it as required by local ordinances and regulations.

The USA restricts or prohibits the disposal of some or all lamps containing mercury in the municipal waste stream. Please visit www.lamprecycle.org for more information on specific state disposal requirements and recycling facilities.

For users in Connecticut, please call Northeast Lamp Recycling toll-free at

1-888-657-5267 to place an order for the delivery of a kit that includes a box for the lamp, tape, and a return shipping label.

Resetting the lamp timer

After replacing the lamp, you should reset the lamp hour counter to zero. Please follow the steps below.

1.Press the Menu button to open the main menu.

2.Press the cursor left/right button to move to the Info menu.

3.Press the cursor up/down button to move down to Lamp Timer.

4.Press the Enter button. The screen will show Press Enter to Lamp Timer Reset.

5.Press the Enter button again to reset the lamp hours.

Attention: Lamp Life is a measure of brightness degradation only and is not a specification for the time it takes a lamp to fail and cease light output. Lamp Life is defined as the time it takes for more than 50% of a lamp sample population to have brightness decrease by approximately 50% of the rated lumens for the specified lamp. For example, if the defined life of a sample set of lamps is 2000 hours and their brightness is rated at 1100 lumens, then after 2000 hours 50% of the lamps will still be brighter than 550 lumens.

Using the security slot

The projector has a security slot, as shown. Refer to the information that comes with the lock for instructions on how to use it.

1Kensington lock slot

Chapter 5. Maintenance 5-3

Page 41
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Lenovo C400 manual Resetting the lamp timer, Using the security slot