Rockwell-automation 2711PC-xxxx PanelView Plus Compact User Manual User Manual download pdf (Page 50)

50 Publication 2711PC-UM001A-EN-P - March 2009

Chapter 4 Configuring the Terminal

Modifying Display Settings

You can access and modify these display settings for your terminal:

• View display temperature

• Adjust display contrast

• Adjust display intensity

• Configure the screen saver

• Enable or disable the screen cursor

View the Display Temperature

To view the current temperature of the display, select Terminal

Settings>Display>Display Temperature.

The 600 and 1000 terminals have a cold-cathode fluorescent lamp

(CCFL) backlight. This backlight requires temperature control when

the internal temperature of the product is below 10 °C (50 °F) or

above 60 °C (140 °F). The terminal monitors low and high

temperature conditions.

• If the internal temperature of the product is below 10 °C (50 °F),

the backlight is set to overdrive or the full-rated current setting

for at least five minutes.

• If the internal temperature is at or above 60 °C (50 °F), the

backlight is set to underdrive; 40% or less of full brightness. This

reduces heat generation from the backlight.

Temperature monitoring begins when the terminal powers on, or

when the backlight turns on, for example, exiting Screen Saver mode.

The temperature control affects only display intensity; it does not

restrict the use or operation of the terminal.

When a low or high temperature condition is detected, an error is sent

to the system event log. If the temperature control is not functioning,

a noncritical error is sent to the system event log but the terminal

continues to operate normally.

TIP

The CCFL backlight temperature control takes precedence over

the application Backlight Settings.

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