Number Lock Indicator

Indicates that number lock [Num Lk] is activated when lighted. Number lock allows some of the keyboard letters to act as numbers for easier numeric data input.

Capital Lock Indicator

Indicates that capital lock [Caps Lock] is activated when lighted. Capital lock allows some of the keyboard letters to type using capitalized letters (e.g. A, B, C).When the capital lock light is OFF, the typed letters will be in the lower case form (e.g. a,b,c).

Power Indicator

The power indicator lights when the Notebook PC is turned ON and blinks slowly when the Notebook PC is in the Suspend-to- RAM (Sleep) mode.This indicator is OFF when the Notebook PC is turned OFF or in the Suspend-to-Disk (Hibernation) mode.

Battery Charge Indicator (dual-color)

The dual-color battery charge indicator shows the status of the battery’s power as follows:

Green ON: Battery power is between 95% and 100% (with AC power).

Orange ON: Battery power is less than 95% (with AC power).

Orange Blinking: Battery power is less than 10% (without AC power).

Off: Battery power is between 10% and 100% (without AC power).

Notebook PC User Manual

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Asus K53EXR4 user manual Number Lock Indicator, Capital Lock Indicator, Battery Charge Indicator dual-color