
KB351RT User Guide
7
How to use the keyboard
After a successful installation, you are now free to move around the room to a
location up to approx. 10 m from the PC. Range can be affected by dividing
metallic surfaces, monitors, loudspeakers, switching power supplies, but also by
low batteries. Keep track of the status LEDs on front side of the keyboard. This
will inform you about a low battery situation.
3.1 Meaning of status LEDs
•
Pairing/Transmitting-LED
Pairing: Led flashes once per second. It indicates that the keyboard and the
USB receiver are in Pairing-Mod. It goes out after successful
synchronization.
Transmitting: LED flashes on every key stroke. It indicates key actuation
and/or trackball operation that input information has been sent out
successfully by radio transmission from the keyboard.
•
Battery Low-LED
LED is on. It indicates that the remaining battery charge is low. The LED will
stay on until a new battery is inserted or until the battery is used up
completely.
•
Charging-LED
LED flashes when charging and remains on when fully charged. Please make
sure to use re-chargeable battery for charging. They keyboard can use also
non -chargeable batteries. But do not attempt to charge them.
3.2 Special operation modes of the keyboard
•
Sleep-Mode
After 10 minutes of no input from your keyboard or trackball,
the keyboard automatically goes into Sleep-Mode (idle state) to save battery.
•
Wake up-Mode
To wake the keyboard from Sleep-Mode press any key on your keypad
(not including trackball)