"Walk Test" is a method of testing many fire alarm devices that saves time and requires fewer technicians at the location. Using "Walk Test", a technician can simply walk around the building and initiate any device he/she would like. Doing so will send a signal to the panel, which will pulse the NAC a certain amount of times to indicate the zone on which the device is wired to. Silent Walktest will only flash the alarm light on the panel, thus not sounding the signals.