Motorola TRN6703A is a digital 12- or 24-hour clock designed for use with 50 or 60 Hz AC power sources. It features a multiplexed seven-segment display and a digit enable output, making it suitable for a variety of applications where precise timekeeping is required. The clock's accuracy is determined by the line frequency, and it can be configured to operate in either 12-hour or 24-hour mode. Additionally, the clock includes a troubleshooting chart to assist with maintenance and repairs.