Keywords and placement criteria related to a campaign are received. Information is transmitted in the method by modulating said code modulated signal in the transmission step, and demodulation is performed in the reception step to clarify the transmitted information. Projections at one end of the hub are matingly received within notches in the opposite end of the hub of the next adjacent wheel so that the wheels are interlocked for rotation in unison. A developer cartridge, having a developing roller, is set on the extending portion of the bottom wall. The beam splitting optics couple a first portion of the pump light having a first fraction of the pump power into the laser oscillator and a second portion of the pump light having a second fraction of the pump power into the laser amplifier. Preferably, the code phases of the new channels are assigned according to a predetermined code phase relationship with respect to the code phase of the corresponding maintenance subchannel.