How do I connect the CW Morse 24 Series PCB Straight Key using a 3.5mm TRS AUX cable?

[VeraRose]

Connecting your CW Morse 24 Series PCB Straight Key with a standard 3.5mm TRS stereo AUX cable is straightforward. Here's a helpful guide:

1. Wiring Configuration: Some keys, oscillators, and software setups may necessitate a jumper connection between the RING and SLEEVE of the AUX cable. This configuration allows a mono straight key to function correctly with a stereo cable.

2. Cleaning the Key: Ensure optimal performance by cleaning the key. Use a dry paintbrush or a can of compressed air to remove any dust or debris.

3. Contact Maintenance: If the key contacts require cleaning:

   • Gently insert a small strip of 220 grit sandpaper or a paper nail file between the contacts.
   • Close the contacts and carefully pull the sandpaper through.
   • Flip the sandpaper and repeat to eliminate any dirt or oxidation.

By following these steps, you can successfully connect and utilize your CW Morse 24 Series PCB Straight Key with a 3.5mm TRS AUX cable for your Morse code endeavors.