Compaq Armada 7400 Reference Manual page 34

Before QuickLock/QuickBlank can be initiated, a
power-on password must be established and QuickLock/
QuickBlank must be enabled through Computer Setup.
Press the
time and from within any application. This hotkey
Disables the keyboard and the pointing device.
Clears the display.
To reenable the keyboard and return your information to the
screen, enter your power-on password.
Press the
hotkey lets you customize the level of battery conservation, or use
one of the three preset conservation levels.
Use the left or right arrow keys to select a different level.
Press the
Three numbered boxes indicate the status of each installed battery:
Battery 1—primary battery in the computer battery bay
Battery 2—battery in the MultiBay of the expansion base or
the battery charging bay of the convenience base
Battery 3—battery in the half-height bay (with MultiBay
Adapter) of the expansion base
Press the right or down arrow key to view the status of the next
battery pack. If a battery pack is not in a bay, the corresponding
bay cannot be selected. Press the left or up arrow key to select the
previous battery pack.
hotkeys to initiate QuickLock/QuickBlank at any
hotkeys to access Power Management. This
hotkeys to show the status of the battery packs.