JHL90 Service Manual
12.4 Hot keys for system control
• Definitions
All Fn Key will support Sticky key mode.
Function Description
Fn + Esc None
Fn + F1 Enters S3 sleep state
Fn + F2 Wireless/Bluetooth Turn on/off
Fn + F3 LCD/CRT/LCD+CRT Switch
Fn + F4 Brightness down
Fn+F5 Brightness up
Fn + F6 Mute
Fn + F7 Volume Down
Fn + F8 Volume Up
Fn + F9 Media Play/Pause
Fn + F10 Media Stop
Fn + F11 Media Play Backward
Fn + F12 Media Play Forward
After rebooting, pad lock is set to off and Num lock is also too. In this state, the
embedded cursor/number pad is not enabled on the notebook keyboard.
When the embedded keypad is on, holding down Fn will turn the embedded
keypad off.
Note 1: All hot key should be release Fn key after release F1~F12, and should be
press Fn+ (F1~F12) at the same time then function will work properly.
Note 2: About Fn+F2 will turn on/off wireless/Bluetooth which existence
device(s) (The detection by System BIOS).
Note 3: About Fn+F2 functions need AP for function propriety.
12.4.1 Kill switch relationship with Wireless LAN and Bluetooth
The following is two state of kill switch
1. Kill switch On:
When users press Fn+F2, AP will be showed. At this time, User can turn
on/off which Wireless LAN and Bluetooth.
If the devices just only have one whatever Wireless LAN or Bluetooth, the
AP won’t be showed anything.
2. Kill switch Off:
2-28
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