Ramsey FM100B FM Transmitter

Operation

To change the broadcast frequency on your Ramsey FM100B:

1. Press and hold both FREQ UP and FREQ DOWN buttons simultaneously (this enters frequency setup mode).
2. Release the buttons.
3. Use FREQ UP to increase the frequency or FREQ DOWN to decrease it (in 100 kHz steps, 88.0–108.0 MHz range).
4. Tune a nearby FM radio to the desired frequency and adjust until you hear the carrier (quieting signal; no audio input needed).
5. Press FREQ UP and FREQ DOWN together again to exit and lock the frequency.