How's This Timer Work?

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Does anyone have any idea on how this timer works?
It's got little gray pieces along the knob, and you can raise or lower them.
IMG_0846.jpeg
IMG_0847.jpeg

What's the purpose of those little pieces? How do I set the correct time on this thing?
 

Iverg1

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K looks like the black part is for night and the white part for day you probably raise the things to say how much time you want it to run so in the second photo it would run from 6pm to 1am
 

Galathiel

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You spin the dial until your local time is lined up with the arrow by the "time" on the dial. The little pieces are pushed down for the time you want the light on .. and are raised for the time the light is off. I don't know if you can set more than one time on this particular timer or not. Some you can, some you can't.
 
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Iverg1 said:
K looks like the black part is for night and the white part for day you probably raise the things to say how much time you want it to run so in the second photo it would run from 6pm to 1am
Galathiel said:
You spin the dial until your local time is lined up with the arrow by the "time" on the dial. The little pieces are pushed down for the time you want the light on .. and are raised for the time the light is off. I don't know if you can set more than one time on this particular timer or not. Some you can, some you can't.
Thanks! This helps a lot!
 

bitseriously

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[what's the word for when you are typing a reply, and someone else beats you to the punch?] LOL

On the 2nd picture above, the time of day is set at approx 1pm (that's where the "Time" arrow points). Just rotate the entire dial to select a new time (unit has to be plugged in for clock to continue running). Assuming @Galathiel has it right in terms of on=down and off=up, it's set to go off around 1 in the night (am), and on at 9:30 in the daytime (am). In other words, following the direction of travel of the face (indicated by the curving arrow, and confirmed by the order in which the numbers pass by the time of day indicator), at 1am the buttons go from down position to up position, ie they go from on to off. At 9:30am, they go from up to down position, ie turn on.
As the dial rotates, the hidden bases of the buttons literally kick over a switch that opens/closes the power circuit. These types of units are consistent as long as there is power, but a) are not all that precise (may be off by as much as 15mins in function), and b) the time needs to be updated if there has been a power fail.
You should in theory be able to turn the unit on and off as many times as there are buttons, ie every 30 minutes. Just set your buttons in the up/down positions in groups for an on-off-on cycle in the day, and off all night.
 
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