Since there is no automated process, you must manually dial back every setting. Here is the authoritative manual reset procedure:
Default frequency groups are designed for intermodulation-free operation. To reset: Shure Slx4 Factory Reset
| Step | Action | Expected Result | | :--- | :--- | :--- | | 1 | Power cycle + hold SET & ESC | Temporary glitches cleared | | 2 | Unlock panel (if locked) | Padlock icon disappears | | 3 | Set Group 01, Channel 01 | Default frequency restored | | 4 | Set Output Level to 0 | Maximum audio output | | 5 | Set Lock to Off | Full button access | | 6 | Hold GROUP+CHANNEL on power-up | Frequency table rebuilt | | 7 | Re-sync transmitter | "donE" message on IR sync | | 8 | If all fail – Contact Shure service | Professional hardware reset | Since there is no automated process, you must