Here's a picture of the U8 socket that contains the jumper for switching between 12 and 24 hour format. If the jumper is in it is setup for 12 hour format. Without the jumper, 24 hour format....
Updated Software on 12/15/10. Downloads the Perfect Time Transmit (PTT) program that sends your PC's time to the 101 clock model. MODELS....
This is a customer documentation .pdf for the operation of the 115 rate over time counters....
How to change the time displayed on the time zone systems (TZA)....
Customer documantation for the 115 model. These units will display rate over time....
Download this .pdf manual for all of our numeric displays including timers, counters, serial, analog to digital and BCD models....