A4tech NB-30 - Manual (Page 3)

Press “TUNE” Button to obtain frequency for best performance.
(For 1st Time Use or Whenever the Battery Free Mouse is
relocated to another computer.)
When to Press the “TUNE” Button?
If your mouse cursor does not move, not moving smoothly, or when the PWR
LED (red) blinks, press the “TUNE” Button until the frequency has been
adjusted for the best performance, repeat the process if needed.
How to Connect the Mouse Pad & Mouse?
1. Connect the mouse pad's USB cable to your computer USB port.
2. Place the mouse on the center of the mouse pad, and Do Not move the
mouse. The PWR LED light should now remain lit.
3. Press the “TUNE” button.
4. PWR LED turns “Off” and the RUN LED light starts “Blinking”.
5. When the Tuning Process is complete, the PWR and RUN LED will
return to their original mode.
Note:
1. Do not use this product on any metal table or surface. The metal
surface may interface with the cross induction frequency and have an
adverse effect on the mouse operation.
2. Keep working temperature at
0 to 50 degree Celsius (0°– 50°C)
3. Frequency: 119 KHz-135 KHz