The function is selectable on DIP switch 6.
AC: Galvanic isolation with internal transformer 12, 24, 48, 110, 230, 400 or
525VAC ± 15% (Test Volts 2kV)
DC: 12, 24, 48VDC, 24-250VAC/DC
The time ranges can be changed using DIP switches.The time is adjustable using the pots on the front of the timer
UNEQUAL REPEATING TIMER (OFF FIRST)
DIP switched 5 and 6 off when the power is applied, the relay is de-energized and the off timer starts.
When the off-time expires, the relay energizes, and the LED lights up. Then the on-timer starts. When the on timer expires, the relay de-energizes and the LED goes off. This repeats until the supply is disconnected.