10
Cleankeys Keyboard User Guide
9. Checking the battery level
To check the amount of charge that is left in the keyboard battery, hold
fn
and
touch
num
. The indicator LEDs, in the box labelled with
-
and
+
, light to show
the current battery level. Five LEDs means the battery is fully charged. One LED
means the battery should be charged soon.
10. Charging the Cleankeys keyboard
The keyboard has a built in rechargeable battery. This battery provides power to
the keyboard when using a wireless connection.
When using a USB cable to connect the keyboard, the USB port on the computer
provides the power for the keyboard. The USB port also charges the keyboard
battery. If the USB port is charging the battery, the red battery LED is lit. When
the battery is fully charged, the green battery LED is lit.
To charge the keyboard battery using the charger:
1. Plug the charger into a wall outlet.
2. Plug the wide end of the USB cable into the charger.
3. Plug the small end of the USB cable into the USB port on the keyboard.
When the battery is charging, the red battery LED is lit.
When the battery is fully charged, the green battery LED is lit.
11. Changing the Cleankeys keyboard volume
The keyboard uses sound to indicate various actions, such as key presses. The
volume of these sounds can be adjusted to match personal preference or working
environment.
To change the volume of the keyboard:
1. Hold
fn
and touch
F9
or
F10
.
The indicator LEDs, in the box labelled with
-
and
+
, light to indicate the
current volume level.
The number of LEDs that light indicates the current volume level. Five LEDs for
high volume. One LED for low volume.
2. Hold
fn
and touch
F9
to lower the volume of the keyboard.
Hold
fn
and touch
F10
to increase the volume of the keyboard.
To turn the volume of the keyboard off, hold
fn
and touch
F9
until all five
LEDs are off.
