Here is one of the most comprehensive discussions on troubleshooting the 12-volt trigger. The product worked fine but was improperly wired. The discussion reveals a good testing hack in addition to the step-by-step process of checking the device and making sure it’s properly installed.
*The discussion below is based on actual chat transcripts with the omission of any personal/confidential material to protect the customer’s privacy. An example in this case is to change the contact’s identification name/number to “Customer” or a generic name.
[16:11] Rick: Hello, how may I help you.
[16:12] Customer: Hi, I recently bought an Elite Screens Spectrum, 125-inch Diag 16:9, Electric online
[16:12] Customer: I’m trying to setup the 12V trigger to open the screen when I turn on my projector.
[16:13] Customer: I have found a mono 3.5mm cable from Projector 12V and measured the current with multimeter it shows 12V.
[16:13] Customer: However, after connecting with 12V trigger cable cat5-- the screen is not opening.
[16:14] Customer: Elite screen trigger has - Red and Green wires on end and other cat5 goes to screen.
[16:14] Rick: Okay if the unit is not responding please check the polarity. Here is how. Red is positive and green is negative.
[16:15] Rick: You can use a 9V battery to test the trigger.
[16:15] Customer: 3.5mm has Red and white wires
[16:15] Customer: a 9V battery can open the screen?
[16:16] Rick: Yes, the 9v battery simulates the projector once you connect the green/red wire to its terminals the screen will deploy and once your remove the battery the unit will retract on its own.
[16:16] Rick: This is a good for testing the 12 volt trigger and its wires.
[16:17] Customer: Ok just in case checking Green is -ve ? red is +ve?
[16:17] Rick: Also, check your projector setting if the 12 v trigger out is on.
[16:18] Rick: Your last comment is correct. You will be able to confirm the polarity of the wires using the battery method.
[16:18] Rick: https://elitescreens.com/elitetube/ZSP-12V_trigger_setup_instructions.mp4
[16:18] Customer: Yes I have called Optima tech support and they showed how to Turn ON 12V trigger in the menu.
[16:19] Customer: 3.5mm cable I have got from Amazon has Red and white wires. From the video you sent it shows Red and Green.
[16:21] Rick: Red will go with red and green with white cable.
[16:22] Customer: OK that’s how i have twist the wires.
[16:22] Customer: Let me check with Batteries
[16:22] Customer: 9v battery confirms that 12V trigger cable is good or bad right?
[16:23] Rick: Correct. If you have a bad wire, you can make your own with an Ethernet RJ45 cable. You can use pin 7 and 8, these are the brown pair wires.
[16:24] Rick: 7 is positive and 8 is the negative. Also, check the polarity and make sure it is a mono jack and not an audio jack.
[16:24] Customer: Okay, looks like I had a bad connection because everything is working fine now.
[16:24] Customer: Thanks for the information
[16:24] Rick: My pleasure, I’m glad to help.
[16:24] Customer: Thanks again.