Some Microsoft keyboards have LED lights that indicate the status of toggle keys such as Cruise Control, Macro Record, NUM LOCK, CAPS LOCK, and SCROLL LOCK.
On some Microsoft wireless keyboards, the lights are located on the receiver. For other wireless keyboards, the status of toggle keys is displayed briefly in the notification area on your screen, at the far right of the taskbar.
Indicates that this toggle key is on
Toggles the 10-key pad between numbers 0-9 and functions such as HOME, END, PG UP, and PG DOWN.
Toggles between capital and lowercase letters.
Used by some applications, such as Microsoft Excel, to control scrolling.
Toggles between standard function keys (F1 - F12) and alternate commands, such as Help, Undo, New, and Print.
Enables you to use the navigation pad instead of the keyboard arrow keys.
To switch to Mouse mode, use the Navigation pad switch.
Indicates that you are using Cruise Control to continue a keystroke. When you cruise with multiple keys, the LED remains on until the last cruising action is stopped.
The LED changes to a steady glow when you press the Macro Record key, and blinks when you start recording. It continues to blink until you press the key again to stop recording.
Key Pad: Num Pad/ Macro Pad (Detachable)
Backlighting for the detachable Num Pad/Macro Pad changes from red (Num Pad) to amber (Macro Pad).
Access the second set of macros. (The LED is not illuminated when you are using the first set of macros.)
Toggles between three customizable keyboard key setting banks. Identify the active bank by illuminating one of three discrete LEDs labeled 1-3. A fourth LED is illuminated when the Automatic Program Setting is detected.