This
timer is used to set the level of smoke in an enclosed environment and maintain that level
24 hr's a day.
The on and off cycle times are set by turning the inner red (on)
and outer yellow (off) dial to the appropriate on and off period. Full dial rotation
provides a 1/2 hr of either an on or off setting. This cycle will then repeat
indefinitely.
To change factory settings:
Turn orange inner dial to set "on" times.
Turn yellow outer dial to set "off" times.
The lower right "Adjust scale" selects time multiple
(.5 ; 1 ; 5 ; 10 .)
Factory setting is .5 or 1/2
The lower left "Adjust scale" sets time duration for
full scale. (min. ; hr ; 10hr)
Factory setting is hr
Use small flat head screw driver to adjust these settings.