CONTROLS AND INDICATORS
PCU Power Panel
Figure 6 illustrates the controls and indicators of the Power Panel located on the top portion of the keyboard with
a brief description of each of their functions.
Figure 6. Power Panel Controls and Indicators
Description and Use
Lit green indicates the computer is powered up. Lit yellow indicates the
computer is in the standby mode.
Pushbutton switch used to power up the computer, place the computer in the
standby mode, and power down the computer.
BATT 1 Status Indicator
Three LEDs indicate the charge level of battery number 1. Refer to Table 1 for
BATT 2 Status Indicator
Three LEDs indicate the charge level of battery number 2. Refer to Table 1 for
When lit or blinking, indicates the Hard Disk Drive is being accessed.
Brightness Increase Pushbutton
Pressed to increase the brightness of the display.
Brightness Decrease Pushbutton
Pressed to decrease the brightness of the display.
Table 1. Battery Status Indicators
Green Only Lit
76% to 100% charge.
Green and Yellow Lit
51% to 75% charge.
Yellow Only Lit
26% to 50% charge.
Yellow and Red Lit
10% to 25% charge.
Red Only Lit
Less than 10% charge.
Red Only Flashing
2% or less charge.
No Indicators Lit
Battery not installed or fully discharged.
All Indicators Flashing Sequentially
Battery is defective.