Electronic timers use AC line frequency (60 Hz) as a clock reference. If your mains frequency is unstable (rare), the timer can drift ±3 minutes per month. No adjustment possible.
To switch between 12-hour (AM/PM) and 24-hour time, press the MIN and SEC (or Down and Up, depending on your specific sub-model) buttons simultaneously. 3. Programming On/Off Settings noma 16ulw et manual
Locate the small RST hole (use a bent paperclip). Press and hold for 5 seconds. All programs will erase; current time resets to 12:00 AM. Electronic timers use AC line frequency (60 Hz)
Press PROG again to see "1 OFF". Repeat the day and time selection steps for when the device should shut down. Save: Press CLOCK to save and return to the main display. 4. Advanced Functions To switch between 12-hour (AM/PM) and 24-hour time,
Because Noma has discontinued many of these legacy models, finding the original printed manual can be challenging. This long-form guide serves as a complete substitute manual, covering everything from initial setup to advanced programming and common error codes.