![background image](http://html.mh-extra.com/html/lenovo/440128u/440128u_hardware-maintenance-manual_201716051.webp)
Chapter 6. Special keys
This computer has several special keys at the upper row of the keyboard. To use each function, directly
press the desired key.
The following table shows the function of each special key.
Table 7. Special keys
Special key
Description
Speaker mute (F1)
Speaker volume
down (F2)
Speaker volume up
(F3)
If you mute the sound and then turn off the computer, the sound will remain muted when you
turn on the computer again. To turn on the sound, press the Speaker volume up or Speaker
volume down keys.
Microphone mute
(F4)
When you press the microphone mute key, all of the recording devices are set on mute or
unmute; this is the default setting.
Camera mute (F5)
During a video conference, you can control the video streaming from the integrated camera by
pressing this key. The video output will be grayed out, and the audio streaming will continue.
Switching a display
output location (F6)
For Windows 7:
Switch between the computer display and an external monitor. Windows will show these
display options:
• Computer display only (LCD)
• Computer display and external monitor (same image)
• Computer display and external monitor (extended desktop function)
• External monitor only
Note:
To switch between the computer display and an external monitor, the Win+P key
combination is also available.
Display brightness
down (F7)
The computer display becomes dimmer. The purpose of this method is to change the
brightness level temporarily. To change the default brightness level, change the settings of the
Power Option in the Control Panel or use the Power Manager.
Display brightness up
(F8)
The computer display becomes brighter. The purpose of this method is to change the
brightness level temporarily. To change the default brightness level, change the settings of the
Power Option in the Control Panel or use the Power Manager.
© Copyright Lenovo 2011
45
Содержание 440128U
Страница 1: ...Hardware Maintenance Manual ThinkPad Edge E420s ...
Страница 6: ...iv Hardware Maintenance Manual ...
Страница 11: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 5 ...
Страница 12: ...DANGER 6 Hardware Maintenance Manual ...
Страница 13: ...PERIGO PERIGO PERIGO Chapter 1 Safety information 7 ...
Страница 14: ...PERIGO PERIGO PERIGO PERIGO PERIGO DANGER 8 Hardware Maintenance Manual ...
Страница 15: ...DANGER DANGER DANGER DANGER DANGER Chapter 1 Safety information 9 ...
Страница 16: ...DANGER DANGER VORSICHT VORSICHT VORSICHT 10 Hardware Maintenance Manual ...
Страница 17: ...VORSICHT VORSICHT VORSICHT VORSICHT VORSICHT Chapter 1 Safety information 11 ...
Страница 18: ...12 Hardware Maintenance Manual ...
Страница 19: ...Chapter 1 Safety information 13 ...
Страница 20: ...14 Hardware Maintenance Manual ...
Страница 21: ...Chapter 1 Safety information 15 ...
Страница 22: ...16 Hardware Maintenance Manual ...
Страница 24: ...18 Hardware Maintenance Manual ...
Страница 25: ...Chapter 1 Safety information 19 ...
Страница 26: ...20 Hardware Maintenance Manual ...
Страница 27: ...Chapter 1 Safety information 21 ...
Страница 28: ...22 Hardware Maintenance Manual ...
Страница 32: ...26 Hardware Maintenance Manual ...
Страница 56: ...50 Hardware Maintenance Manual ...
Страница 63: ...Table 12 Removal steps of keyboard continued 3 3 4 8 7 5 6 Chapter 8 Removing and replacing a FRU 57 ...
Страница 81: ...Table 30 Removal steps of LCD unit continued 3 4 4 4 4 Chapter 8 Removing and replacing a FRU 75 ...
Страница 90: ...Overall 1 2 4 5 7 9 13 18 14 15 19 8 12 11 17 16 10 6 3 84 Hardware Maintenance Manual ...