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FN+5=Line key, then the keyboard code matching light will flash white light , And then it will 
automatically connect to the computer and be ready for use. At this time, the code matching light 
of the keyboard will be long and bright blue light (when fully charged, it will be long white light), 
which indicates that the keyboard is successfully connected to the computer TYPE-C line and can 
be used. 
 
3. When using Xinmeng's wireless products for the first time, it is recommended to use the 
charging cable that comes with the product to connect to the computer's USB port or DC-5V 
charger to fully charge the keyboard before using it. When charging, observe the direction of the 
TYOPE-C head of the cable and insert it into the charging dock of the keyboard carefully. The 
keyboard indicator will light blue when charging, and will go out when fully charged. 
             
            4. Xinmeng wireless bluetooth keyboard adopts 87 keys with FN key function, two-color 
molding design, which greatly increases the light transmission and durability of the keyboard, and 
the appearance design is beautiful. When the wireless keyboard is stationary, the keyboard will 
automatically turn off. Turn off the backlight, then press any key to restore the light. 
 
Five, XM-RF87 wireless bluetooth mechanical keyboard FN key light operation instructions: 
FN+(\key)=switch the light mode (switch the light every time you press it), FN+"

/

"=light 

brightness adjustment link, FN+"

/

" = adjust breathing or change speed. 

 
(6) XM-RF87 keyboard FN multimedia key control method description. 
FN+F1 = Computer FN+F2=Search FN+F3=Calculator 
FN+F4 = music FN+F5 = previous song FN+F6= next song 
FN+F7=Play/Pause FN+F8=Stop FN+F9=Mute 
FN+F10=Volume down FN+F11=Volume up FN+F12=Lock all keys and press again to unlock 
FN+WIN key=Lock WIN key-press again to unlock FN+PAGEUP=Light on mode 
   
Seven, matters needing attention: 
1. The wireless keyboard has an intelligent power saving function: when the keyboard is 
stationary for about 2-3 minutes, the keyboard will automatically turn off the backlight, then press 
any key to restore the light. 
2 When the receiver is plugged in and the computer cannot recognize it for use, it should be 
considered caused by poor port contact, and it needs to be replaced with another computer USB 
port for use. When the keyboard or mouse backlight is dimmed or the product is not used normally, 
it should be because the built-in power of the product is insufficient. Charge it in time. The 
charging time will vary according to the power of the charger. If the product is not used for a long 
time, please turn the power switch of the product to the OFF position. 
3 When the product freezes or does not move suddenly during use, it should be caused by the 
same signal interference in the environment, except for the reason of low battery voltage. At this 
time, you can use TYPE-C cable to connect to the computer or 2.4G to re-code the solution. The 
code matching method is shown above (the operation can be repeated if the code is not matched 
once). You can also press FN+1, FN+2, FN+3, FN+4., FN+5 to switch between modes. If the 
above methods cannot be solved, please call Xinmeng product service hotline: 400-006-1358 . 

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