User's Manual

2
3.0 Requirements
3.1 General Description
The WLM consists of the mouse unit and the base unit. The battery powered mouse unit transmits an RF signal
to the base unit that is connected to the USB (PS/2) port on the PC or laptop computer.
3.1.1 Characteristics
The following sections identify the detailed specifications of the WLM.
3.1.1.1 Functional Block Diagram
The typical operational configuration for WLM is shown in Figure 1 below.
Mouse
Unit
Base
Unit
Laptop
-or-
Desktop
RF
Figure 1. Overall System Block Diagram
The mouse unit and base unit block diagrams are shown in Figures 2 and 3.
Processor
•
Mechanical
encoder interfaces
•
Data formatting
•
Power control
•
ID selection
•
LED
L button
R button
Radio frequency
transmitter and
integrated antenna
Battery
3D wheel
Mouse optical
ID button
Figure 2. Mouse Unit Block Diagram
Processor board
•
data demodulation
•
data formatting
•
error checking
•
computer interface
•
ID selection
•
LED
Mouse data
Radio frequency
receiver and
integrated or
external antenna
Power
USB(PS2
)
interface
ID Button