Lenovo ZhaoYang K49 Hardware Maintenance Manual page 46

Table 2. Function key combinations (continued)
Key combination
Fn+Insert
Fn+Delete
Fn+PrtSc
Fn+Pause
Fn + up/down arrow
Fn + left/right arrow
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Hardware Maintenance Manual
Description
Enables or disables the numeric keypad.
Enables or disables the scroll lock function.
Activates the system request.
Activates the break function.
Increases or decreases the display brightness level.
Decreases or increases the sound volume.