Custom Products for the Digital Radio Amateur Enthusiast

• 1. Remove the cables from the rear of your SignaLink USB.
• 2. Using a 1.5MM Allen wrench, remove the three knobs (TX-RX-DLY) from the front panel.
• 3. Using a 3/32" Allen wrench, remove the four screws at the corners of the front panel.
• 4. Remove the front panel. Do NOT remove the rear panel.
• 5. At the rear panel, gently push on the RJ45 jack until the circuit board slides out the front.
• 6. Set the SignaLink USB circuit board aside.
• 7. Slide the DRA-SR circuit board into the bottom slot of the case. Push on the circuit board not the pots.
• 8. The connectors should slightly protrude through the back panel.
• 9. Ensure the front edge of the DRA-SR circuit board is flush with the front edge of the metal case.
  NOTE: If there are nuts on the shafts of the pots - remove them.
  If there are plastic washers on the shafts of the pots - Do NOT remove them.
• 10. Place a plastic washer over each of the shafts of the three pots and rotate them for proper clearance.
  NOTE: These washers may have been preinstalled (glued) into place. If not - place them now.
  These washers are internal and go up against the square body of the pot.
• 11. Carefully place the SignaLink front panel over the pots while aligning the LED's and the PWR button.
  NOTE: Do NOT install the nuts onto the pots at this time.
• 12. Install the four corner screws to secure the front panel to the case. Do not over-tighten these screws.
• 13. Install a hex nut onto each pot. Carefully tighten the nut against the front panel.
  NOTE: Do NOT overtighten these nuts - just snug is good - the threads on the pots are plastic.
• 14. Turn the shaft on each of the pots fully counterclockwise.
• 15. Install a knob onto each pot and position the knob indicator at the first line. Do not over-tighten the set screws.
• 16. Attach the High-Quality ferrite equipped USB cable to your computer and the new unit.

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Product of Masters Communications, all rights reserved.
Specifications may change without notice.
Images property of Kevin Custer - W3KKC
Board layout by Kevin Custer - W3KKC.
HTML July 31, 2021, W3KKC All Rights Reserved!