Lenovo 51J0155 User Manual page 8

Note: The ThinkVantage Productivity Center or the Lenovo Care comes with your computer. If you do
not have either of them installed on your computer, pressing the ThinkVantage button will open
the Windows System Information window.
Attention: Make sure you install the Lenovo USB Smartcard Keyboard hotkey driver before using the
ThinkVantage button.
The NumLk or NmLk LED
When the NumLk LED (light-emitting diode) is on, the numeric keypad on the keyboard is enabled.
When the LED is off, the cursor control on the numeric keypad is disabled. Press the NumLk or NmLk
key to switch back and forth between these modes.
The Caps Lock or CapsLk LED
When the Caps Lock LED is on, the Caps Lock mode is enabled. In this mode, you can type all
alphabetic characters (A-Z) in upper case text without pressing the Shift key. When the LED is off, the
Caps Lock mode is disabled. To enable or disable the Caps Lock mode, press the Caps Lock or CapsLk
key.
The Scroll Lock or ScrLk LED
When the ScrLk LED is on, the ScrLk mode is enabled. The arrow keys can be used as screen-scroll
function keys and the cursor cannot be moved with the arrow keys. Not all application programs support
this function. When the Scroll Lock LED is off, the arrow keys can be used for cursor movement, not as
screen-scroll function keys. Press the Scroll Lock or ScrLk key to switch back and forth between these
modes.
The smart card indicator
The smart card indicator is a dual-color LED, which indicates the working status of the smart card reader
in green and amber.
Note: For more descriptions about the smart card indicator status, see Table 1 on page 9.
The smart card reader
The smart card reader is a compact, lightweight, high-performance device that can provide computer
security and network security, for example, in banking and telecommunication environment. It supports
most memory and microprocessor cards currently on the market.
The smart card reader supports:
v Reading from and writing to all memory and microprocessor smart cards (T=0, T=1) that conform to
ISO 7816-1, 2, 3, 4 standards
Note: Lenovo does not provide a smart card with this option.
v Secure PIN (personal identification number) entry mode (PIN authentication without transmitting the
PIN to the host system)
v User authentication through third-party applications
v ThinkVantage Client Security Solution
Note: For more information about using smart cards with the ThinkVantage Client Security Solution,
refer to the ThinkVantage Client Security Solution online help.
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Lenovo USB Smartcard Keyboard User Guide