The frequency control can also be used to optimize the bells sound or change its character. For example, a higher frequency can make a standard telephone sound British. The frequency control does not change the sound of electronic ringers. By using a 6-6 modular plug, you have access to the unit s primary power and remote control lines. This feature offers a number of control options such as automated cueing or wireless control.
Battery life is good enough to get most productions from tech through the final performance.
In any event, Tele-Q will let you know when batteries are getting low. Power from the optional AC Adapter is applied through an electronic switch that always chooses the best power source. This means that if AC power fails, the unit automatically switches to battery operation, offering you a back-up source of power.