Trying to see if anyone recognizes this pressure moniter / knows how to operate it. Have been playing around with it for a while, couldn’t find a name, serial number or any other identification. Pressing the buttons it seems like the far left switches corners, the 2 on the far right seem to raise/lower the pressures. But, the readings on the gauge are 140-160PSI which don’t aline with my system (just redid my whole compressor and tank set up) and I have it regulated at 120 PSI til things are dialed in a bit more. Any insight would be great appreciated, first post on redit, really the first time using it. Picture of the truck for attention
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