Hi all,
I should first say that I am not a representative of Henry Engineering, but this information did come from directly from one of them during a recent phone call to the company.
If you are using the Henry Engineering "StereoSwitch", there is a technical issue which you might need to know about.
On the information sheet that comes with the switch, there is a description of a modification that can be made by end users. It changes the mode of operation of the switch from "latched" to "momentary", and makes input #1 the default selection for the "idle" state. It involves soldering some new components onto the circuit board.
There is an important piece of information that was omitted from the text: DO NOT use the "P" jumper if you make this modification. If you do, the switch will act erratically or not at all. In my case, I modified and installed three of these switches to inject EAS messages into our HD-2 channels during an alert, and I found that two of them worked as expected, but one just acted strangely and didn't switch correctly. I believed the unit was defective, called the company for help, and the gentleman I spoke to advised me of the omission on the information sheet. Once I removed all the "P" jumpers, the faulty unit then began working correctly.
I should first say that I am not a representative of Henry Engineering, but this information did come from directly from one of them during a recent phone call to the company.
If you are using the Henry Engineering "StereoSwitch", there is a technical issue which you might need to know about.
On the information sheet that comes with the switch, there is a description of a modification that can be made by end users. It changes the mode of operation of the switch from "latched" to "momentary", and makes input #1 the default selection for the "idle" state. It involves soldering some new components onto the circuit board.
There is an important piece of information that was omitted from the text: DO NOT use the "P" jumper if you make this modification. If you do, the switch will act erratically or not at all. In my case, I modified and installed three of these switches to inject EAS messages into our HD-2 channels during an alert, and I found that two of them worked as expected, but one just acted strangely and didn't switch correctly. I believed the unit was defective, called the company for help, and the gentleman I spoke to advised me of the omission on the information sheet. Once I removed all the "P" jumpers, the faulty unit then began working correctly.