Controllable Settings: (*Some or all of the settings may not be supported by your particular transmitter) - *Audio Level - *Frequency - Sleep Mode - Lock Mode - *Power Output - *Low Cut Filter - *LED On/Off - *Record/Stop Features - Simplistic design for fast and easy use - Sounds are generated dynamically, not loaded from memory - Volume control on each page for easy access *Not all remote control tones are supported by every Lectronsonics device. Lectrosonics® SM transmitters must be configured to accept remote control tones. Hold down arrow while turning on the transmitter. Then select "rc on". The original SM requires firmware version 1.5 (released 12/05) to respond to the remote. The firmware version number appears upon turning on the unit. Any tones properly received but not supported will be met with "---------" response on the transmitter screen. Lectrosonics® is a registered trademark of Lectrosonics Inc. Lectrosonics Inc. does not provide support for this app.