A manually swingable hammer-type stapling tool having an elongate housing having a striker movably mounted thereon. A pilot synchronization symbol, which has known characteristics, is included as a first symbol of digital broadcast frames. The first and second percentages of nozzles may be determined based on the difference in temperature between the first and second heater chips. Additionally, based on beam parameters, SABS may offer an additional dimension that may be used to prevent transmission in a particular spatial direction.