User manual

Module Nos. 549/689/690/874/1846
[Module Nos. 549/689/690/1846]
Display automatically returns to alarm mode display if no button is pressed for 2 to 3 minutes.
Alarm and Alarm and Alarm only Time signal
time signal time signal sounds. only sounds.
sound. do not sound.
Display automatically returns to dual time mode display if no button is pressed for 2 to 3 
minutes.
A signal confirms start/stop operation.