User's Manual

LiteON Technology
SK7235 Dongle Ver: 0.3 第 5 頁, 共 9 頁
Low Speed USB Specification Compliance., meets Universal Serial Bus Specification
Version 1.1
4. Radio Feature
4.1 Operation procedure
The product needs to make pairing with USB dongle before normal application.
In general we can use the product directly by the user because the pairing process has
been done at manufacturer site. However, the pairing process needs to be done if there is
no response from mouse(KB).
* How to make pairing (step by step as below process) by user:
1. Insert two AA batteries to the RF Mouse (KB), and close the battery door.
2. Plug in the Receiver to the USB port of P.C. and the Access LED will to light about 2 seconds.
3. Press the ID connect button of dongle and the Access LED will to light about 15 seconds..
4. Press the ID connect button of RF Mouse (KB) for pairing with the dongle within 15 seconds.
5. The Access LED will go off and RF Mouse (KB) is ready. If Access LED is still blinking, please
repeat the above procedure 1 to 4 again.
4.2 Radio Feature
*Table-1 Parameter of radio part
Items Keyboard
Specifications
Mouse
Specifications
Frequency Range
2.402~2.479GHz
78 channel frequency hopping
2.402~2.479GHz
78channel frequency hopping
Modulation
GFSK GFSK
Channel
78channels 78channels
Channel I.D
16bits →65,536 16bits →65,536
Operation Voltage
4.4~5.5V 4.4~5.5V
Rx Sensitivity
-85dBm -85dBm
Transmission rate
2Mbps 2Mbps
TX FM frequency deviation
+/- 320 kHz +/- 320 kHz
Frequency tolerance
+/- 30ppm +/- 30ppm