Logitech K810 Guide D'installation page 11

Software for Windows
Download and install the Logitech Software
for F-key functionality and customization;
also specify backlight settings. Go to
www.logitech.com/support/k810
Keyboard backlight
Keyboard sensors detect your hands,
turning the backlight on and off.
The backlight adjusts automatically to the
level of your room light. Bright light and
low battery power cause the backlight
to turn off, which helps conserve battery
power. In bright light, the F5 and F6 keys
are disabled.
Automatic backlight control turns off
when you use the F5 or F6 keys to adjust
backlight intensity. You can restore
automatic backlight control by turning the
keyboard off then on. If the keyboard is idle
for two hours or more, automatic backlight
control is restored automatically.
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Logitech Bluetooth Illuminated Keyboard K810
Troubleshooting
Keyboard not working
• Slide the On/Off switch to Off
then to On.
• If the Battery Status light flashes
red, recharge the batteries. For more
information, see "Charge the batteries."
• Go to Bluetooth settings on your device
to check if "Logitech K810" is present.
If it is, remove it. Then follow steps
2–4 in "Pair your first device" to redo
Bluetooth pairing. If you're using custom
Bluetooth hardware and software,
refer to your product documentation
to resolve any Bluetooth issues.
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