Systems and methods for facilitating automatic configuration of network devices for network services are disclosed. In the P+ regions, a first P+ region has a thickness less than a second P+ region, and the second P+ region has a thickness less than a third P+ region. The symbolic view displays straight lines between locations on the road map. The first and second fixing members are arranged such that the second fixing member is displaceable relative to the first fixing member in a tangential direction x, whereas the second fixing member is restricted from displacing relative to the first fixing member in a perpendicular direction y. The PWM signal generating circuit serves to arbitrarily change both period and logic \u201cH\u201d time of a PWM signal to be outputted at a time interval which is one half of the clock period. The electrocatalyst composition is composed essentially of platinum present in an atomic percentage ranging between about 55 percent and about 95 percent, titanium present in an atomic percentage ranging between about 1 percent and about 30 percent, and at least a third metal present in an atomic percentage ranging between about 1 percent and about 30 percent.