If neither of these methods works and you have a source of RF nearby like a transmitter, it may be RF causing interference. This is a more difficult problem to fix, but not impossible. The first thing to do is move equipment away from the RF source. The next is to put the R2XL1 inside of a metal case. The last method is to use RF chokes on your audio cables (usually
ASSEMBLY INSTRUCTIONS FOR CUSTOM CASE
The enclosure is a key element to the overall pride you will have upon com- pleting your Ramsey kit. The enclosure will show how you were able to “build from scratch” a commercial piece of
1. Lay the front and rear plastic plates over their corresponding labels to verify which sticker goes with which panel. You’ll want to work with one panel at a time to avoid possible
2. Remove the backing material from one of the stickers and line it up properly on its
3. Use a sharp hobby knife to cut out the holes in the labels along the pre- punched holes. A short sawing motion works well around the inner circum- ference of the holes.
4. Repeat the above steps for the other panel.
5. Insert the board into the case with the knobs and switches extending through the holes in the front panel.
6. Raise the rear portion of the PC board and extend the jacks through the rear plastic plate. Insert the plate into the grooves on the base tray.
7. Secure the PC board to the bottom base tray with 4 short Phillips head screws.