I scanned the IFR1500 Application Notes a couple of months ago and posted it to:
http://groups.yahoo.com/group/Repeater-Builder/files/IFR1500/ You may find this helpful. I'm interested in information about the digital attenuator and LCD display that you have Was that and IFR product or something after market? Those are the two items that a failure can mean disaster to a 1500 owner. Joe surf_boy82 wrote: > Does anyone have an owners manual for the IFR FM/AM 1500 that is surplus to > their needs?
