Raw,
The switch is an override.. If the timer is off, the switch will turn whatever the timer is controlling on until one of the dogs turns it back off... If the timer is on, the switch will turn it off until the next dog turns it on again.
Keep in mind that there is a difference between the On dogs and the Off dogs... Plus, the manual switch does not work if very close to one of the on/off times... It will appear jammed...
As an example.. if the timer turns off a pool pump at 6 am, when you move the manual switch at 7 am the pool pump will come back on.
Thanks,
Jim R.
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So what are you trying to do that is not working???