Lenovo 4431HE1, L1900p manual Understanding power management, Addressability Refresh rate

Models: 4431HE1 L1900p

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The display modes shown below have been optimized at the factory.

Table 2-3. Factory set display modes

 

Addressability

 

Refresh rate

 

640 x 350

 

70

Hz

 

 

640 x 480

 

60

Hz, 66Hz, 72Hz,75Hz

 

 

 

 

 

 

 

 

720 x 400

 

70

Hz

 

 

 

 

 

 

 

 

800 x 600

 

60

Hz, 72 Hz, 75 Hz

 

 

 

 

 

 

 

832 x 624

 

75 Hz (Mac)￿￿

 

 

1024 x 768

 

60

Hz, 70 Hz, 75 Hz

 

 

 

 

 

 

 

 

1152 x 864

 

75

Hz

 

 

1152 x 900

 

66Hz

 

 

 

 

 

1280 x 1024

60

Hz, 70 Hz, 72Hz, 75Hz, 76Hz

 

 

 

 

 

 

Understanding power management

Power management is invoked when the computer recognizes that you have not used your mouse or keyboard for a user-definable period. There are several states as described in the table below.

For optimal performance, switch off your monitor at the end of each working day, or whenever you expect to leave it unused for long periods during the day.

Table 2-4. Power indicator

 

 

 

Restoring

 

State

Power Indicator

Screen

Operation

Compliance

 

 

 

 

 

On

Steady green

Normal

 

 

 

 

 

 

 

Standby/Suspend

Steady amber

Blank

Press a key or

ENERGY STAR

 

 

 

move the mouse

 

 

 

 

There may be a

 

 

 

 

slight delay

 

 

 

 

before the image

 

 

 

 

reappears.

 

 

 

 

Note: Standby

 

 

 

 

also occurs if

 

 

 

 

there is no

 

 

 

 

image output to

 

 

 

 

the monitor.

 

 

 

 

 

 

Off

Off

Blank

Press the power

ENERGY STAR

 

 

 

button.

 

 

 

 

There may be a

 

 

 

 

slight delay

 

 

 

 

before the image

 

 

 

 

reappears.

 

 

 

 

 

 

2-6Flat Panel Monitor User ’sGuide

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Lenovo 4431HE1, L1900p manual Understanding power management, Addressability Refresh rate