THIS SHOULD WORK ON MOST OTHER UNIDEN "OLDER MODELS"

To reset and clear all memory channels on Uniden radios, press and hold the Manual, 2, and 9 keys while turning on the radio.

To load all of the factory test frequencies into memory, press and hold the Scan, 2, and 9 keys while turning on the radio.

To perform a (complete) factory reset which clears all memory channels on Uniden radios, press and hold the HOLD, 2, and 9 keys while turning on the radio.